Cleaning up exception wrapping to allow better reporting of errors to end users. Also implementing the beginnings of a new error reporter, and bumping the version of plexus-container-default up to 1.0-alpha-33-SNAPSHOT to improve the accessibility to ClassRealm info for ComponentLookupException.

git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@584343 13f79535-47bb-0310-9956-ffa450edef68

build.properties

@@ -17,7 +17,7 @@
 
 classworlds.version=1.2-alpha-10
 plexus-active-collections.version=1.0-beta-1
-plexus.version=1.0-alpha-32
+plexus.version=1.0-alpha-33-SNAPSHOT
 plexus-utils.version=1.4.5
 maven-artifact.version=3.0-SNAPSHOT
 commons-cli.version=1.0

maven-core/src/main/java/org/apache/maven/AggregatedBuildFailureException.java

@@ -0,0 +1,50 @@
+package org.apache.maven;
+
+import org.apache.maven.lifecycle.MojoBindingUtils;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.plugin.MojoFailureException;
+
+/**
+ * Exception which occurs when an @aggregator plugin fails to execute. This
+ * exception is meant to wrap a {@link MojoFailureException}, and provide
+ * additional details about the mojo that failed, via {@link MojoBinding} and
+ * the root directory in which the build executes.
+ *
+ * @author jdcasey
+ *
+ */
+public class AggregatedBuildFailureException
+    extends BuildFailureException
+{
+
+    private final String executionRootDirectory;
+    private final MojoBinding binding;
+
+    public AggregatedBuildFailureException( String executionRootDirectory,
+                                            MojoBinding binding,
+                                            MojoFailureException cause )
+    {
+        super( "Build in root directory: " + executionRootDirectory
+               + " failed during execution of aggregator mojo: "
+               + MojoBindingUtils.toString( binding ), cause );
+
+        this.executionRootDirectory = executionRootDirectory;
+        this.binding = binding;
+    }
+
+    public MojoFailureException getMojoFailureException()
+    {
+        return (MojoFailureException) getCause();
+    }
+
+    public String getExecutionRootDirectory()
+    {
+        return executionRootDirectory;
+    }
+
+    public MojoBinding getBinding()
+    {
+        return binding;
+    }
+
+}

maven-core/src/main/java/org/apache/maven/BuildFailureException.java

@@ -1,5 +1,6 @@
 package org.apache.maven;
 
+
 /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
@@ -25,15 +26,15 @@ package org.apache.maven;
  * @author <a href="mailto:brett@apache.org">Brett Porter</a>
  * @version $Id$
  */
-public class BuildFailureException
+public abstract class BuildFailureException
     extends Exception
 {
-    public BuildFailureException( String message )
+    protected BuildFailureException( String message )
     {
         super( message );
     }
 
-    public BuildFailureException( String message, Throwable cause )
+    protected BuildFailureException( String message, Throwable cause )
     {
         super( message, cause );
     }

maven-core/src/main/java/org/apache/maven/DefaultMaven.java

@@ -42,7 +42,6 @@ import org.apache.maven.monitor.event.DefaultEventDispatcher;
 import org.apache.maven.monitor.event.EventDispatcher;
 import org.apache.maven.monitor.event.MavenEvents;
 import org.apache.maven.profiles.ProfileManager;
-import org.apache.maven.profiles.activation.ProfileActivationException;
 import org.apache.maven.project.DuplicateProjectException;
 import org.apache.maven.project.MavenProject;
 import org.apache.maven.project.MavenProjectBuilder;
@@ -117,10 +116,14 @@ public class DefaultMaven
                 request.setProjectPresent( false );
             }
         }
-        catch ( Exception e )
+        catch ( ProjectBuildingException e )
         {
-            result.addException( e );
-
+            result.addProjectBuildingException( e );
+            return null;
+        }
+        catch ( MavenExecutionException e )
+        {
+            result.addMavenExecutionException( e );
             return null;
         }
 
@@ -136,19 +139,18 @@ public class DefaultMaven
         }
         catch ( CycleDetectedException e )
         {
-            result.addException(
-                new BuildFailureException(
-                    "The projects in the reactor contain a cyclic reference: " + e.getMessage(),
-                    e ) );
+            String message = "The projects in the reactor contain a cyclic reference: "
+                             + e.getMessage();
+
+            ProjectCycleException error = new ProjectCycleException( projects, message, e );
+
+            result.addBuildFailureException( error );
 
             return null;
         }
         catch ( DuplicateProjectException e )
         {
-            result.addException(
-                new BuildFailureException(
-                    e.getMessage(),
-                    e ) );
+            result.addDuplicateProjectException( e );
 
             return null;
         }
@@ -192,7 +194,7 @@ public class DefaultMaven
 
             if ( !tvr.isTaskValid() )
             {
-                result.addException( new BuildFailureException( tvr.getMessage() ) );
+                result.addBuildFailureException( new InvalidTaskException( tvr ) );
 
                 return result;
             }
@@ -223,12 +225,12 @@ public class DefaultMaven
         }
         catch ( LifecycleExecutionException e )
         {
-            result.addException( e );
+            result.addLifecycleExecutionException( e );
             return result;
         }
         catch ( BuildFailureException e )
         {
-            result.addException( e );
+            result.addBuildFailureException( e );
             return result;
         }
 
@@ -258,7 +260,7 @@ public class DefaultMaven
     }
 
     private List getProjects( MavenExecutionRequest request )
-        throws MavenExecutionException, BuildFailureException
+        throws MavenExecutionException
     {
         List projects;
 
@@ -298,10 +300,6 @@ public class DefaultMaven
         {
             throw new MavenExecutionException( e.getMessage(), e );
         }
-        catch ( ProfileActivationException e )
-        {
-            throw new MavenExecutionException( e.getMessage(), e );
-        }
         return projects;
     }
 
@@ -310,8 +308,7 @@ public class DefaultMaven
                                   boolean recursive,
                                   ProfileManager globalProfileManager,
                                   boolean isRoot )
-        throws ArtifactResolutionException, ProjectBuildingException, ProfileActivationException,
-        MavenExecutionException, BuildFailureException
+        throws ArtifactResolutionException, ProjectBuildingException, MavenExecutionException
     {
         List projects = new ArrayList( files.size() );
 
@@ -341,7 +338,7 @@ public class DefaultMaven
 
                 if ( runtimeInformation.getApplicationVersion().compareTo( version ) < 0 )
                 {
-                    throw new BuildFailureException(
+                    throw new MavenExecutionException(
                         "Unable to build project '" + project.getFile() +
                             "; it requires Maven version " + version.toString() );
                 }
@@ -396,13 +393,9 @@ public class DefaultMaven
                     moduleFiles.add( moduleFile );
                 }
 
-                List collectedProjects =
-                    collectProjects(
-                        moduleFiles,
-                        localRepository,
-                        recursive,
-                        globalProfileManager,
-                        false );
+                List collectedProjects = collectProjects( moduleFiles, localRepository, recursive,
+                                                          globalProfileManager, false );
+
                 projects.addAll( collectedProjects );
                 project.setCollectedProjects( collectedProjects );
             }

maven-core/src/main/java/org/apache/maven/InvalidTaskException.java

@@ -0,0 +1,31 @@
+package org.apache.maven;
+
+import org.apache.maven.lifecycle.TaskValidationResult;
+
+/**
+ * Exception which occurs when a task or goal is specified on the command line
+ * but cannot be resolved for execution. This validation is done up front, and
+ * this exception wraps the {@link TaskValidationResult} generated as a result
+ * of verifying the task.
+ *
+ * @author jdcasey
+ *
+ */
+public class InvalidTaskException
+    extends BuildFailureException
+{
+
+    private final String task;
+
+    public InvalidTaskException( TaskValidationResult result )
+    {
+        super( result.getMessage(), result.getCause() );
+        task = result.getInvalidTask();
+    }
+
+    public String getTask()
+    {
+        return task;
+    }
+
+}

maven-core/src/main/java/org/apache/maven/NoGoalsSpecifiedException.java

@@ -0,0 +1,20 @@
+package org.apache.maven;
+
+/**
+ * Exception indicating that Maven has no instructions for what to execute. This
+ * happens when no goals are specified on the command line, and there is no
+ * defaultGoal specified in the POM itself.
+ *
+ * @author jdcasey
+ *
+ */
+public class NoGoalsSpecifiedException
+    extends BuildFailureException
+{
+
+    public NoGoalsSpecifiedException( String message )
+    {
+        super( message );
+    }
+
+}

maven-core/src/main/java/org/apache/maven/ProjectBuildFailureException.java

@@ -0,0 +1,50 @@
+package org.apache.maven;
+
+import org.apache.maven.lifecycle.MojoBindingUtils;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.plugin.MojoFailureException;
+
+/**
+ * Exception which occurs when a normal (i.e. non-aggregator) mojo fails to
+ * execute. In this case, the mojo failed while executing against a particular
+ * project instance, so we can wrap the {@link MojoFailureException} with context
+ * information including projectId and the {@link MojoBinding} that caused the
+ * failure.
+ *
+ * @author jdcasey
+ *
+ */
+public class ProjectBuildFailureException
+    extends BuildFailureException
+{
+
+    private final String projectId;
+    private final MojoBinding binding;
+
+    public ProjectBuildFailureException( String projectId,
+                                         MojoBinding binding,
+                                         MojoFailureException cause )
+    {
+        super( "Build for project: " + projectId + " failed during execution of mojo: "
+               + MojoBindingUtils.toString( binding ), cause );
+
+        this.projectId = projectId;
+        this.binding = binding;
+    }
+
+    public MojoFailureException getMojoFailureException()
+    {
+        return (MojoFailureException) getCause();
+    }
+
+    public String getProjectId()
+    {
+        return projectId;
+    }
+
+    public MojoBinding getBinding()
+    {
+        return binding;
+    }
+
+}

maven-core/src/main/java/org/apache/maven/ProjectCycleException.java

@@ -0,0 +1,37 @@
+package org.apache.maven;
+
+import org.apache.maven.execution.ReactorManager;
+import org.apache.maven.project.ProjectSorter;
+import org.codehaus.plexus.util.dag.CycleDetectedException;
+
+import java.util.List;
+
+/**
+ * Exception which occurs when creating a new {@link ReactorManager} instance,
+ * due to failure to sort the current projects. The embedded {@link CycleDetectedException}
+ * is thrown by the {@link ProjectSorter}, and context of this wrapped exception
+ * includes the list of projects that contain the cycle, along with a friendly
+ * rendering of the cycle message indicating that it comes from the current projects list.
+ *
+ * @author jdcasey
+ *
+ */
+public class ProjectCycleException
+    extends BuildFailureException
+{
+
+    private final List projects;
+
+    public ProjectCycleException( List projects, String message,
+                                  CycleDetectedException cause )
+    {
+        super( message, cause );
+        this.projects = projects;
+    }
+
+    public List getProjects()
+    {
+        return projects;
+    }
+
+}

maven-core/src/main/java/org/apache/maven/execution/DefaultMavenExecutionResult.java

@@ -19,8 +19,13 @@ package org.apache.maven.execution;
  * under the License.
  */
 
+import org.apache.maven.BuildFailureException;
 import org.apache.maven.artifact.resolver.ArtifactResolutionResult;
+import org.apache.maven.lifecycle.LifecycleExecutionException;
+import org.apache.maven.project.DuplicateProjectException;
 import org.apache.maven.project.MavenProject;
+import org.apache.maven.project.ProjectBuildingException;
+import org.apache.maven.reactor.MavenExecutionException;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -80,7 +85,49 @@ public class DefaultMavenExecutionResult
         return exceptions;
     }
 
-    public MavenExecutionResult addException( Throwable t )
+    public MavenExecutionResult addProjectBuildingException( ProjectBuildingException e )
+    {
+        addException( e );
+
+        return this;
+    }
+
+    public MavenExecutionResult addMavenExecutionException( MavenExecutionException e )
+    {
+        addException( e );
+
+        return this;
+    }
+
+    public MavenExecutionResult addBuildFailureException( BuildFailureException e )
+    {
+        addException( e );
+
+        return this;
+    }
+
+    public MavenExecutionResult addDuplicateProjectException( DuplicateProjectException e )
+    {
+        addException( e );
+
+        return this;
+    }
+
+    public MavenExecutionResult addLifecycleExecutionException( LifecycleExecutionException e )
+    {
+        addException( e );
+
+        return this;
+    }
+
+    public MavenExecutionResult addUnknownException( Throwable t )
+    {
+        addException( t );
+
+        return this;
+    }
+
+    private void addException( Throwable t )
     {
         if ( exceptions == null )
         {
@@ -88,13 +135,11 @@ public class DefaultMavenExecutionResult
         }
 
         exceptions.add( t );
-
-        return this;
     }
 
     public boolean hasExceptions()
     {
-        return (exceptions != null && exceptions.size() > 0 );
+        return (( exceptions != null ) && ( exceptions.size() > 0 ) );
     }
 
     public ReactorManager getReactorManager()

maven-core/src/main/java/org/apache/maven/execution/MavenExecutionResult.java

@@ -19,8 +19,13 @@ package org.apache.maven.execution;
  * under the License.
  */
 
+import org.apache.maven.BuildFailureException;
 import org.apache.maven.artifact.resolver.ArtifactResolutionResult;
+import org.apache.maven.lifecycle.LifecycleExecutionException;
+import org.apache.maven.project.DuplicateProjectException;
 import org.apache.maven.project.MavenProject;
+import org.apache.maven.project.ProjectBuildingException;
+import org.apache.maven.reactor.MavenExecutionException;
 
 import java.util.List;
 
@@ -47,6 +52,13 @@ public interface MavenExecutionResult
     // - invalid project model exception: list of markers
     // - xmlpull parser exception
     List getExceptions();
-    MavenExecutionResult addException( Throwable t );
+
+    MavenExecutionResult addLifecycleExecutionException( LifecycleExecutionException e );
+    MavenExecutionResult addDuplicateProjectException( DuplicateProjectException duplicateProjectException );
+    MavenExecutionResult addBuildFailureException( BuildFailureException buildFailureException );
+    MavenExecutionResult addMavenExecutionException( MavenExecutionException e );
+    MavenExecutionResult addProjectBuildingException (ProjectBuildingException e );
+    MavenExecutionResult addUnknownException( Throwable t );
+
     boolean hasExceptions();
 }

maven-core/src/main/java/org/apache/maven/lifecycle/DefaultLifecycleExecutor.java

@@ -19,12 +19,14 @@ package org.apache.maven.lifecycle;
  * under the License.
  */
 
+import org.apache.maven.AggregatedBuildFailureException;
 import org.apache.maven.BuildFailureException;
+import org.apache.maven.NoGoalsSpecifiedException;
+import org.apache.maven.ProjectBuildFailureException;
 import org.apache.maven.artifact.handler.ArtifactHandler;
 import org.apache.maven.artifact.handler.manager.ArtifactHandlerManager;
 import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
 import org.apache.maven.artifact.resolver.ArtifactResolutionException;
-import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
 import org.apache.maven.context.BuildContextManager;
 import org.apache.maven.execution.MavenSession;
 import org.apache.maven.execution.ReactorManager;
@@ -101,6 +103,7 @@ public class DefaultLifecycleExecutor
      * @param session
      * @param reactorManager
      * @param dispatcher
+     * @throws MojoFailureException
      */
     public void execute( final MavenSession session,
                          final ReactorManager reactorManager,
@@ -125,7 +128,7 @@ public class DefaultLifecycleExecutor
 
         if ( goals.isEmpty() )
         {
-            throw new BuildFailureException( "You must specify at least one goal. Try 'install'" );
+            throw new NoGoalsSpecifiedException( "You must specify at least one goal. Try 'install'" );
         }
 
         List taskSegments = segmentTaskListByAggregationNeeds(
@@ -143,7 +146,7 @@ public class DefaultLifecycleExecutor
         catch ( PluginNotFoundException e )
         {
             throw new LifecycleExecutionException(
-                e.getMessage(),
+                "Plugin could not be not found while searching for artifact-type handlers.",
                 e );
         }
 
@@ -210,14 +213,31 @@ public class DefaultLifecycleExecutor
                     {
                         MojoBinding binding = (MojoBinding) mojoIterator.next();
 
-                        executeGoalAndHandleFailures(
-                            binding,
-                            session,
-                            dispatcher,
-                            event,
-                            reactorManager,
-                            buildStartTime,
-                            target );
+                        try
+                        {
+                            executeGoalAndHandleFailures(
+                                binding,
+                                session,
+                                dispatcher,
+                                event,
+                                reactorManager,
+                                buildStartTime,
+                                target );
+                        }
+                        catch ( MojoFailureException e )
+                        {
+                            AggregatedBuildFailureException error = new AggregatedBuildFailureException(
+                                                                                                         session.getExecutionRootDirectory(),
+                                                                                                         binding,
+                                                                                                         e );
+
+                            dispatcher.dispatchError( event, target, error );
+
+                            if ( handleExecutionFailure( reactorManager, rootProject, error, binding, buildStartTime ) )
+                            {
+                                throw error;
+                            }
+                        }
                     }
 
                     // clean up the execution context, so we don't pollute for future project-executions.
@@ -285,19 +305,32 @@ public class DefaultLifecycleExecutor
 
                         for ( Iterator mojoIterator = mojoBindings.iterator(); mojoIterator.hasNext(); )
                         {
-                            MojoBinding mojoBinding = (MojoBinding) mojoIterator.next();
+                            MojoBinding binding = (MojoBinding) mojoIterator.next();
 
                             getLogger().debug(
-                                "Mojo: " + mojoBinding.getGoal() + " has config:\n"
-                                    + mojoBinding.getConfiguration() );
-                            executeGoalAndHandleFailures(
-                                mojoBinding,
-                                session,
-                                dispatcher,
-                                event,
-                                reactorManager,
-                                buildStartTime,
-                                target );
+                                "Mojo: " + binding.getGoal() + " has config:\n"
+                                    + binding.getConfiguration() );
+
+                            try
+                            {
+                                executeGoalAndHandleFailures( binding, session, dispatcher,
+                                                              event, reactorManager,
+                                                              buildStartTime, target );
+                            }
+                            catch ( MojoFailureException e )
+                            {
+                                ProjectBuildFailureException error = new ProjectBuildFailureException(
+                                                                                                       currentProject.getId(),
+                                                                                                       binding,
+                                                                                                       e );
+
+                                dispatcher.dispatchError( event, target, error );
+
+                                if ( handleExecutionFailure( reactorManager, currentProject, error, binding, buildStartTime ) )
+                                {
+                                    throw error;
+                                }
+                            }
                         }
 
                         LifecycleExecutionContext.delete( buildContextManager );
@@ -373,7 +406,7 @@ public class DefaultLifecycleExecutor
                                                final ReactorManager rm,
                                                final long buildStartTime,
                                                final String target )
-        throws BuildFailureException, LifecycleExecutionException
+        throws LifecycleExecutionException, MojoFailureException
     {
         // NEW: Retrieve/use the current project stored in the execution context, for consistency.
         LifecycleExecutionContext ctx = LifecycleExecutionContext.read( buildContextManager );
@@ -446,12 +479,6 @@ public class DefaultLifecycleExecutor
                         e.getMessage(),
                         e );
                 }
-                catch ( MojoFailureException e )
-                {
-                    throw new BuildFailureException(
-                        e.getMessage(),
-                        e );
-                }
                 catch ( MojoExecutionException e )
                 {
                     throw new LifecycleExecutionException(
@@ -474,34 +501,9 @@ public class DefaultLifecycleExecutor
         }
         catch ( LifecycleExecutionException e )
         {
-            dispatcher.dispatchError(
-                event,
-                target,
-                e );
+            dispatcher.dispatchError( event, target, e );
 
-            if ( handleExecutionFailure(
-                rm,
-                project,
-                e,
-                mojoBinding,
-                buildStartTime ) )
-            {
-                throw e;
-            }
-        }
-        catch ( BuildFailureException e )
-        {
-            dispatcher.dispatchError(
-                event,
-                target,
-                e );
-
-            if ( handleExecutionFailure(
-                rm,
-                project,
-                e,
-                mojoBinding,
-                buildStartTime ) )
+            if ( handleExecutionFailure( rm, project, e, mojoBinding, buildStartTime ) )
             {
                 throw e;
             }
@@ -542,13 +544,13 @@ public class DefaultLifecycleExecutor
 
         if ( rootProject != null )
         {
+
             if ( !LifecycleUtils.isValidPhaseName( task ) )
             {
-                MojoDescriptor mojo = null;
                 // definitely a CLI goal, can use prefix
                 try
                 {
-                    mojo = getMojoDescriptorForDirectInvocation(
+                    getMojoDescriptorForDirectInvocation(
                         task,
                         session,
                         rootProject );
@@ -595,7 +597,6 @@ public class DefaultLifecycleExecutor
     private List segmentTaskListByAggregationNeeds( final List tasks,
                                                     final MavenSession session,
                                                     final MavenProject rootProject )
-        throws LifecycleExecutionException, BuildFailureException
     {
         List segments = new ArrayList();
 
@@ -782,12 +783,6 @@ public class DefaultLifecycleExecutor
                 e.getMessage(),
                 e );
         }
-        catch ( InvalidVersionSpecificationException e )
-        {
-            throw new LifecycleExecutionException(
-                e.getMessage(),
-                e );
-        }
         catch ( InvalidPluginException e )
         {
             throw new LifecycleExecutionException(

maven-core/src/main/java/org/apache/maven/lifecycle/LifecycleExecutionException.java

@@ -1,5 +1,18 @@
 package org.apache.maven.lifecycle;
 
+import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
+import org.apache.maven.artifact.resolver.ArtifactResolutionException;
+import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
+import org.apache.maven.plugin.InvalidPluginException;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.PluginConfigurationException;
+import org.apache.maven.plugin.PluginManagerException;
+import org.apache.maven.plugin.PluginNotFoundException;
+import org.apache.maven.plugin.loader.PluginLoaderException;
+import org.apache.maven.plugin.version.PluginVersionNotFoundException;
+import org.apache.maven.plugin.version.PluginVersionResolutionException;
+import org.apache.maven.project.artifact.InvalidDependencyVersionException;
+
 /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
@@ -31,13 +44,82 @@ public class LifecycleExecutionException
         super( message );
     }
 
-    public LifecycleExecutionException( Throwable cause )
-    {
-        super( cause );
-    }
-
-    public LifecycleExecutionException( String message, Throwable cause )
+    public LifecycleExecutionException( String message,
+                                        PluginManagerException cause )
     {
         super( message, cause );
     }
+
+    public LifecycleExecutionException( String message,
+                                        PluginNotFoundException cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecycleExecutionException( String message,
+                                        PluginVersionResolutionException cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecycleExecutionException( String message,
+                                        InvalidVersionSpecificationException cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecycleExecutionException( String message,
+                                        InvalidPluginException cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecycleExecutionException( String message,
+                                        ArtifactNotFoundException cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecycleExecutionException( String message,
+                                        ArtifactResolutionException cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecycleExecutionException( String message,
+                                        PluginLoaderException cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecycleExecutionException( String message,
+                                        LifecycleException cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecycleExecutionException( String message,
+                                        InvalidDependencyVersionException cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecycleExecutionException( String message,
+                                        MojoExecutionException cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecycleExecutionException( String message,
+                                        PluginConfigurationException cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecycleExecutionException( String message,
+                                        PluginVersionNotFoundException cause )
+    {
+        super( message, cause );
+    }
+
 }

maven-core/src/main/java/org/apache/maven/lifecycle/LifecycleExecutor.java

@@ -20,10 +20,10 @@ package org.apache.maven.lifecycle;
  */
 
 import org.apache.maven.BuildFailureException;
-import org.apache.maven.project.MavenProject;
 import org.apache.maven.execution.MavenSession;
 import org.apache.maven.execution.ReactorManager;
 import org.apache.maven.monitor.event.EventDispatcher;
+import org.apache.maven.project.MavenProject;
 
 /**
  * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
@@ -33,7 +33,7 @@ public interface LifecycleExecutor
 {
     String ROLE = LifecycleExecutor.class.getName();
 
-    TaskValidationResult isTaskValid( String task, MavenSession session, MavenProject rootProject );        
+    TaskValidationResult isTaskValid( String task, MavenSession session, MavenProject rootProject );
 
     void execute( MavenSession session, ReactorManager rm, EventDispatcher dispatcher )
         throws LifecycleExecutionException, BuildFailureException;

maven-core/src/main/java/org/apache/maven/lifecycle/TaskValidationResult.java

@@ -5,6 +5,8 @@ public class TaskValidationResult
 {
     private String invalidTask;
 
+    private Throwable cause;
+
     private String message;
 
     public TaskValidationResult()
@@ -14,10 +16,16 @@ public class TaskValidationResult
     public TaskValidationResult( String invalidTask, String message )
     {
         this.invalidTask = invalidTask;
-
         this.message = message;
     }
 
+    public TaskValidationResult( String invalidTask, String message, Throwable cause )
+    {
+        this.message = message;
+        this.cause = cause;
+        this.invalidTask = invalidTask;
+    }
+
     public String getInvalidTask()
     {
         return invalidTask;
@@ -28,6 +36,11 @@ public class TaskValidationResult
         return message;
     }
 
+    public Throwable getCause()
+    {
+        return cause;
+    }
+
     public boolean isTaskValid()
     {
         return invalidTask == null;

maven-core/src/main/java/org/apache/maven/plugin/DefaultPluginManager.java

@@ -166,7 +166,7 @@ public class DefaultPluginManager
                                           MavenProject project,
                                           MavenSession session )
         throws ArtifactResolutionException, PluginVersionResolutionException,
-        ArtifactNotFoundException, InvalidVersionSpecificationException, InvalidPluginException,
+        ArtifactNotFoundException, InvalidPluginException,
         PluginManagerException, PluginNotFoundException, PluginVersionNotFoundException
     {
         // TODO: this should be possibly outside
@@ -187,7 +187,7 @@ public class DefaultPluginManager
                                                     MavenProject project,
                                                     MavenSession session )
         throws PluginVersionResolutionException, ArtifactNotFoundException,
-        ArtifactResolutionException, InvalidVersionSpecificationException, InvalidPluginException,
+        ArtifactResolutionException, InvalidPluginException,
         PluginManagerException, PluginNotFoundException
     {
         ArtifactRepository localRepository = session.getLocalRepository();
@@ -199,7 +199,7 @@ public class DefaultPluginManager
                                                     MavenProject project,
                                                     ArtifactRepository localRepository )
         throws PluginVersionResolutionException, ArtifactNotFoundException,
-        ArtifactResolutionException, InvalidVersionSpecificationException, InvalidPluginException,
+        ArtifactResolutionException, InvalidPluginException,
         PluginManagerException, PluginNotFoundException
     {
         getLogger().debug( "In verifyVersionedPlugin for: " + plugin.getKey() );
@@ -213,7 +213,15 @@ public class DefaultPluginManager
             // if the groupId is internal, don't try to resolve it...
             if ( !RESERVED_GROUP_IDS.contains( plugin.getGroupId() ) )
             {
-                VersionRange versionRange = VersionRange.createFromVersionSpec( plugin.getVersion() );
+                VersionRange versionRange;
+                try
+                {
+                    versionRange = VersionRange.createFromVersionSpec( plugin.getVersion() );
+                }
+                catch ( InvalidVersionSpecificationException e )
+                {
+                    throw new PluginManagerException( plugin, e );
+                }
 
                 List remoteRepositories = new ArrayList();
 
@@ -257,12 +265,12 @@ public class DefaultPluginManager
 
             if ( ( groupId == null ) || ( artifactId == null ) || ( version == null ) )
             {
-                throw new PluginNotFoundException( e );
+                throw new PluginNotFoundException( plugin, e );
             }
             else if ( groupId.equals( e.getGroupId() ) && artifactId.equals( e.getArtifactId() )
                       && version.equals( e.getVersion() ) && "maven-plugin".equals( e.getType() ) )
             {
-                throw new PluginNotFoundException( e );
+                throw new PluginNotFoundException( plugin, e );
             }
             else
             {
@@ -412,12 +420,12 @@ public class DefaultPluginManager
 
             componentRealm = container.createComponentRealm( projectPlugin.getKey(), jars );
 
+            String parentRealmId = componentRealm.getParentRealm().getId();
+
             // adding for MNG-3012 to try to work around problems with Xpp3Dom (from plexus-utils)
             // spawning a ClassCastException when a mojo calls plugin.getConfiguration() from maven-model...
-            componentRealm.importFrom( componentRealm.getParentRealm().getId(),
-                                       Xpp3Dom.class.getName() );
-            componentRealm.importFrom( componentRealm.getParentRealm().getId(),
-                                       "org.codehaus.plexus.util.xml.pull" );
+            componentRealm.importFrom( parentRealmId, Xpp3Dom.class.getName() );
+            componentRealm.importFrom( parentRealmId, "org.codehaus.plexus.util.xml.pull" );
 
             // Adding for MNG-2878, since maven-reporting-impl was removed from the
             // internal list of artifacts managed by maven, the classloader is different
@@ -425,17 +433,17 @@ public class DefaultPluginManager
             // is not available from the AbstractMavenReport since it uses:
             // getClass().getResourceAsStream( "/default-report.xml" )
             // (maven-reporting-impl version 2.0; line 134; affects: checkstyle plugin, and probably others)
-            componentRealm.importFrom( componentRealm.getParentRealm().getId(), "/default-report.xml" );
+            componentRealm.importFrom( parentRealmId, "/default-report.xml" );
         }
         catch ( PlexusContainerException e )
         {
-            throw new PluginManagerException( "Failed to create realm for plugin '" + projectPlugin
+            throw new PluginContainerException( plugin, componentRealm, "Failed to create realm for plugin '" + projectPlugin
                                               + ".", e );
         }
         catch ( NoSuchRealmException e )
         {
-            throw new PluginManagerException(
-                                              "Failed to import Xpp3Dom from parent realm for plugin: '"
+            throw new PluginContainerException( plugin, componentRealm,
+                                              "Failed to import Xpp3Dom from core realm for plugin: '"
                                                               + projectPlugin + ".", e );
         }
 
@@ -716,7 +724,7 @@ public class DefaultPluginManager
                                                 MavenProject project,
                                                 MavenSession session )
         throws PluginVersionResolutionException, ArtifactResolutionException,
-        ArtifactNotFoundException, InvalidVersionSpecificationException, InvalidPluginException,
+        ArtifactNotFoundException, InvalidPluginException,
         PluginManagerException, PluginNotFoundException, PluginVersionNotFoundException
     {
         String version = reportPlugin.getVersion();
@@ -759,72 +767,81 @@ public class DefaultPluginManager
 
         Mojo plugin;
 
-        try
+        ClassRealm realm = mojoDescriptor.getPluginDescriptor().getClassRealm();
+
+        // We are forcing the use of the plugin realm for all lookups that might occur during
+        // the lifecycle that is part of the lookup. Here we are specifically trying to keep
+        // lookups that occur in contextualize calls in line with the right realm.
+
+        if ( realm != null )
         {
-            ClassRealm realm = mojoDescriptor.getPluginDescriptor().getClassRealm();
+            ClassRealm oldRealm = container.setLookupRealm( realm );
 
-            // We are forcing the use of the plugin realm for all lookups that might occur during
-            // the lifecycle that is part of the lookup. Here we are specifically trying to keep
-            // lookups that occur in contextualize calls in line with the right realm.
+            getLogger().debug(
+                               "Looking up mojo " + mojoDescriptor.getRoleHint() + " in realm "
+                                               + realm.getId() + " - descRealmId="
+                                               + mojoDescriptor.getRealmId() );
 
-            if ( realm != null )
+            try
             {
-                ClassRealm oldRealm = container.setLookupRealm( realm );
-
-                getLogger().debug(
-                                   "Looking up mojo " + mojoDescriptor.getRoleHint() + " in realm "
-                                                   + realm.getId() + " - descRealmId="
-                                                   + mojoDescriptor.getRealmId() );
-
                 plugin = (Mojo) container.lookup( Mojo.ROLE, mojoDescriptor.getRoleHint(), realm );
+            }
+            catch ( ComponentLookupException e )
+            {
+                throw new PluginContainerException( mojoDescriptor, realm, "Unable to find the mojo '"
+                                                  + mojoDescriptor.getRoleHint() + "' in the plugin '"
+                                                  + pluginDescriptor.getPluginLookupKey() + "'", e );
+            }
 
-                if ( plugin != null )
-                {
-                    getLogger().debug(
-                                       "Looked up - " + plugin + " - "
-                                                       + plugin.getClass().getClassLoader() );
-                }
-                else
-                {
-                    getLogger().warn( "No luck." );
-                }
-
-                container.setLookupRealm( oldRealm );
+            if ( plugin != null )
+            {
+                getLogger().debug(
+                                   "Looked up - " + plugin + " - "
+                                                   + plugin.getClass().getClassLoader() );
             }
             else
             {
-                getLogger().info(
-                                  "Looking up mojo " + mojoDescriptor.getRoleHint()
-                                                  + " in default realm "
-                                                  + container.getLookupRealm() + " - descRealmId="
-                                                  + mojoDescriptor.getRealmId() );
-
-                plugin = (Mojo) container.lookup( Mojo.ROLE, mojoDescriptor.getRoleHint() );
-
-                if ( plugin != null )
-                {
-                    getLogger().info(
-                                      "Looked up - " + plugin + " - "
-                                                      + plugin.getClass().getClassLoader() );
-                }
-                else
-                {
-                    getLogger().warn( "No luck." );
-                }
-
+                getLogger().warn( "No luck." );
             }
 
-            if ( report && !( plugin instanceof MavenReport ) )
-            {
-                // TODO: the mojoDescriptor should actually capture this information so we don't get this far
-                return null;
-            }
+            container.setLookupRealm( oldRealm );
         }
-        catch ( ComponentLookupException e )
+        else
         {
-            throw new PluginManagerException( "Unable to find the mojo '"
-                                              + mojoDescriptor.getRoleHint() + "' in the plugin '"
-                                              + pluginDescriptor.getPluginLookupKey() + "'", e );
+            getLogger().info(
+                              "Looking up mojo " + mojoDescriptor.getRoleHint()
+                                              + " in default realm "
+                                              + container.getLookupRealm() + " - descRealmId="
+                                              + mojoDescriptor.getRealmId() );
+
+            try
+            {
+                plugin = (Mojo) container.lookup( Mojo.ROLE, mojoDescriptor.getRoleHint() );
+            }
+            catch ( ComponentLookupException e )
+            {
+                throw new PluginContainerException( mojoDescriptor, container.getContainerRealm(), "Unable to find the mojo '"
+                                                  + mojoDescriptor.getRoleHint() + "' in the plugin '"
+                                                  + pluginDescriptor.getPluginLookupKey() + "' (using core class realm)", e );
+            }
+
+            if ( plugin != null )
+            {
+                getLogger().info(
+                                  "Looked up - " + plugin + " - "
+                                                  + plugin.getClass().getClassLoader() );
+            }
+            else
+            {
+                getLogger().warn( "No luck." );
+            }
+
+        }
+
+        if ( report && !( plugin instanceof MavenReport ) )
+        {
+            // TODO: the mojoDescriptor should actually capture this information so we don't get this far
+            return null;
         }
 
         if ( plugin instanceof ContextEnabled )

maven-core/src/main/java/org/apache/maven/plugin/InvalidPluginException.java

@@ -1,5 +1,8 @@
 package org.apache.maven.plugin;
 
+import org.apache.maven.project.ProjectBuildingException;
+import org.apache.maven.project.artifact.InvalidDependencyVersionException;
+
 /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
@@ -28,8 +31,14 @@ package org.apache.maven.plugin;
 public class InvalidPluginException
     extends Exception
 {
-    public InvalidPluginException( String message, Exception e )
+    public InvalidPluginException( String message, ProjectBuildingException e )
     {
         super( message, e );
     }
+
+    public InvalidPluginException( String message, InvalidDependencyVersionException e )
+    {
+        super( message, e );
+    }
+
 }

maven-core/src/main/java/org/apache/maven/plugin/PluginConfigurationException.java

@@ -20,6 +20,9 @@ package org.apache.maven.plugin;
  */
 
 import org.apache.maven.plugin.descriptor.PluginDescriptor;
+import org.codehaus.plexus.component.configurator.ComponentConfigurationException;
+import org.codehaus.plexus.component.configurator.expression.ExpressionEvaluationException;
+import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
 
 /**
  * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
@@ -44,10 +47,30 @@ public class PluginConfigurationException
     public PluginConfigurationException(
                                          PluginDescriptor pluginDescriptor,
                                          String originalMessage,
-                                         Throwable e )
+                                         ExpressionEvaluationException cause )
     {
-        super( e );
+        super( cause );
         this.pluginDescriptor = pluginDescriptor;
         this.originalMessage = originalMessage;
     }
+
+    public PluginConfigurationException(
+                                        PluginDescriptor pluginDescriptor,
+                                        String originalMessage,
+                                        ComponentConfigurationException cause )
+   {
+       super( cause );
+       this.pluginDescriptor = pluginDescriptor;
+       this.originalMessage = originalMessage;
+   }
+
+    public PluginConfigurationException(
+                                        PluginDescriptor pluginDescriptor,
+                                        String originalMessage,
+                                        ComponentLookupException cause )
+   {
+       super( cause );
+       this.pluginDescriptor = pluginDescriptor;
+       this.originalMessage = originalMessage;
+   }
 }

maven-core/src/main/java/org/apache/maven/plugin/PluginContainerException.java

@@ -0,0 +1,60 @@
+package org.apache.maven.plugin;
+
+import org.apache.maven.model.Plugin;
+import org.apache.maven.plugin.descriptor.MojoDescriptor;
+import org.codehaus.plexus.PlexusContainerException;
+import org.codehaus.plexus.classworlds.realm.ClassRealm;
+import org.codehaus.plexus.classworlds.realm.NoSuchRealmException;
+import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
+
+/**
+ * Exception which occurs to indicate that the plugin cannot be initialized due
+ * to some deeper problem with Plexus. Context information includes the groupId,
+ * artifactId, and version for the plugin; at times, the goal name for which
+ * execution failed; a message detailing the problem; the ClassRealm used to
+ * lookup the plugin; and the Plexus exception that caused this error.
+ * 
+ * @author jdcasey
+ *
+ */
+public class PluginContainerException
+    extends PluginManagerException
+{
+
+    private final ClassRealm pluginRealm;
+
+    public PluginContainerException( MojoDescriptor mojoDescriptor,
+                                     ClassRealm pluginRealm,
+                                     String message,
+                                     ComponentLookupException e )
+    {
+        super( mojoDescriptor, message, e );
+
+        this.pluginRealm = pluginRealm;
+    }
+
+    public PluginContainerException( Plugin plugin,
+                                     ClassRealm pluginRealm,
+                                     String message,
+                                     NoSuchRealmException e )
+    {
+        super( plugin, message, e );
+
+        this.pluginRealm = pluginRealm;
+    }
+
+    public PluginContainerException( Plugin plugin,
+                                     ClassRealm pluginRealm,
+                                     String message,
+                                     PlexusContainerException e )
+    {
+        super( plugin, message, e );
+
+        this.pluginRealm = pluginRealm;
+    }
+
+    public ClassRealm getPluginRealm()
+    {
+        return pluginRealm;
+    }
+}

maven-core/src/main/java/org/apache/maven/plugin/PluginManager.java

@@ -19,10 +19,8 @@ package org.apache.maven.plugin;
  * under the License.
  */
 
-import org.apache.maven.artifact.repository.ArtifactRepository;
 import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
 import org.apache.maven.artifact.resolver.ArtifactResolutionException;
-import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
 import org.apache.maven.execution.MavenSession;
 import org.apache.maven.model.Plugin;
 import org.apache.maven.model.ReportPlugin;
@@ -32,7 +30,6 @@ import org.apache.maven.plugin.version.PluginVersionResolutionException;
 import org.apache.maven.project.MavenProject;
 import org.apache.maven.project.artifact.InvalidDependencyVersionException;
 import org.apache.maven.reporting.MavenReport;
-import org.apache.maven.settings.Settings;
 import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
 
 import java.util.Map;
@@ -62,19 +59,19 @@ public interface PluginManager
     Plugin getPluginDefinitionForPrefix( String prefix,
                                          MavenSession session,
                                          MavenProject project );
-        
+
     PluginDescriptor verifyPlugin( Plugin plugin,
                                    MavenProject project,
                                    MavenSession session )
         throws ArtifactResolutionException, PluginVersionResolutionException, ArtifactNotFoundException,
-        InvalidVersionSpecificationException, InvalidPluginException, PluginManagerException, PluginNotFoundException,
+        InvalidPluginException, PluginManagerException, PluginNotFoundException,
         PluginVersionNotFoundException;
 
     PluginDescriptor verifyReportPlugin( ReportPlugin reportPlugin,
                                          MavenProject project,
                                          MavenSession session )
         throws PluginVersionResolutionException, ArtifactResolutionException, ArtifactNotFoundException,
-        InvalidVersionSpecificationException, InvalidPluginException, PluginManagerException, PluginNotFoundException,
+        InvalidPluginException, PluginManagerException, PluginNotFoundException,
         PluginVersionNotFoundException;
 
     Object getPluginComponent( Plugin plugin,

maven-core/src/main/java/org/apache/maven/plugin/PluginManagerException.java

@@ -1,5 +1,12 @@
 package org.apache.maven.plugin;
 
+import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
+import org.apache.maven.model.Plugin;
+import org.apache.maven.plugin.descriptor.MojoDescriptor;
+import org.codehaus.plexus.PlexusContainerException;
+import org.codehaus.plexus.classworlds.realm.NoSuchRealmException;
+import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
+
 /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
@@ -28,13 +35,74 @@ package org.apache.maven.plugin;
 public class PluginManagerException
     extends Exception
 {
-    public PluginManagerException( String message )
+
+    private final String pluginGroupId;
+
+    private final String pluginArtifactId;
+
+    private final String pluginVersion;
+
+    private String goal;
+
+    protected PluginManagerException( Plugin plugin,
+                                   String message,
+                                   PlexusContainerException cause )
     {
-        super( message );
+        super( message, cause );
+
+        pluginGroupId = plugin.getGroupId();
+        pluginArtifactId = plugin.getArtifactId();
+        pluginVersion = plugin.getVersion();
     }
 
-    public PluginManagerException( String message, Exception e )
+    protected PluginManagerException( Plugin plugin, String message,
+                                   NoSuchRealmException cause )
     {
-        super( message, e );
+        super( message, cause );
+
+        pluginGroupId = plugin.getGroupId();
+        pluginArtifactId = plugin.getArtifactId();
+        pluginVersion = plugin.getVersion();
+    }
+
+    protected PluginManagerException( MojoDescriptor mojoDescriptor,
+                                   String message,
+                                   ComponentLookupException cause )
+    {
+        super( message, cause );
+        pluginGroupId = mojoDescriptor.getPluginDescriptor().getGroupId();
+        pluginArtifactId = mojoDescriptor.getPluginDescriptor().getArtifactId();
+        pluginVersion = mojoDescriptor.getPluginDescriptor().getVersion();
+        goal = mojoDescriptor.getGoal();
+    }
+
+    public PluginManagerException( Plugin plugin,
+                                   InvalidVersionSpecificationException cause )
+    {
+        super( cause );
+
+        pluginGroupId = plugin.getGroupId();
+        pluginArtifactId = plugin.getArtifactId();
+        pluginVersion = plugin.getVersion();
+    }
+
+    public String getPluginGroupId()
+    {
+        return pluginGroupId;
+    }
+
+    public String getPluginArtifactId()
+    {
+        return pluginArtifactId;
+    }
+
+    public String getPluginVersion()
+    {
+        return pluginVersion;
+    }
+
+    public String getGoal()
+    {
+        return goal;
     }
 }

maven-core/src/main/java/org/apache/maven/plugin/PluginNotFoundException.java

@@ -21,6 +21,7 @@ package org.apache.maven.plugin;
 
 import org.apache.maven.artifact.resolver.AbstractArtifactResolutionException;
 import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
+import org.apache.maven.model.Plugin;
 
 /**
  * Exception occurring trying to resolve a plugin.
@@ -31,9 +32,17 @@ import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
 public class PluginNotFoundException
     extends AbstractArtifactResolutionException
 {
-    public PluginNotFoundException( ArtifactNotFoundException e )
+    private final Plugin plugin;
+
+    public PluginNotFoundException( Plugin plugin, ArtifactNotFoundException e )
     {
         super( "Plugin could not be found - check that the goal name is correct: " + e.getMessage(), e.getGroupId(),
                e.getArtifactId(), e.getVersion(), "maven-plugin",null, e.getRemoteRepositories(), null, e.getCause() );
+        this.plugin = plugin;
+    }
+
+    public Plugin getPlugin()
+    {
+        return plugin;
     }
 }

maven-core/src/main/java/org/apache/maven/plugin/PluginParameterException.java

@@ -44,16 +44,6 @@ public class PluginParameterException
         this.parameters = parameters;
     }
 
-    public PluginParameterException( MojoDescriptor mojo, List parameters, Throwable cause )
-    {
-        super( mojo.getPluginDescriptor(),
-               "Invalid or missing parameters: " + parameters + " for mojo: " + mojo.getRoleHint(), cause );
-
-        this.mojo = mojo;
-
-        this.parameters = parameters;
-    }
-
     public MojoDescriptor getMojoDescriptor()
     {
         return mojo;

maven-core/src/main/java/org/apache/maven/plugin/loader/DefaultPluginLoader.java

@@ -3,7 +3,6 @@ package org.apache.maven.plugin.loader;
 import org.apache.maven.artifact.repository.ArtifactRepository;
 import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
 import org.apache.maven.artifact.resolver.ArtifactResolutionException;
-import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
 import org.apache.maven.context.BuildContextManager;
 import org.apache.maven.execution.SessionContext;
 import org.apache.maven.lifecycle.model.MojoBinding;
@@ -30,7 +29,7 @@ import java.util.Iterator;
 /**
  * Responsible for loading plugins, reports, and any components contained therein. Will resolve
  * plugin versions and plugin prefixes as necessary for plugin resolution.
- * 
+ *
  * @author jdcasey
  *
  */
@@ -66,7 +65,7 @@ public class DefaultPluginLoader
         {
             Throwable cause = e.getCause();
 
-            if ( cause != null && ( cause instanceof ComponentLookupException ) )
+            if ( ( cause != null ) && ( cause instanceof ComponentLookupException ) )
             {
                 StringBuffer message = new StringBuffer();
                 message.append( "ComponentLookupException in PluginManager while looking up a component in the realm of: " );
@@ -98,8 +97,8 @@ public class DefaultPluginLoader
     }
 
     /**
-     * Load the {@link PluginDescriptor} instance for the plugin implied by the specified MojoBinding, 
-     * using the project for {@link ArtifactRepository} and other supplemental plugin information as 
+     * Load the {@link PluginDescriptor} instance for the plugin implied by the specified MojoBinding,
+     * using the project for {@link ArtifactRepository} and other supplemental plugin information as
      * necessary.
      */
     public PluginDescriptor loadPlugin( MojoBinding mojoBinding, MavenProject project )
@@ -193,7 +192,7 @@ public class DefaultPluginLoader
     }
 
     /**
-     * Look for a plugin in the pluginGroups specified in the settings.xml that has a prefix 
+     * Look for a plugin in the pluginGroups specified in the settings.xml that has a prefix
      * matching the one specified. Return the {@link PluginDescriptor} if a match is found.
      */
     private PluginDescriptor loadByPrefix( String prefix, MavenProject project )
@@ -254,10 +253,6 @@ public class DefaultPluginLoader
         {
             throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
         }
-        catch ( InvalidVersionSpecificationException e )
-        {
-            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
-        }
         catch ( InvalidPluginException e )
         {
             throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
@@ -278,8 +273,8 @@ public class DefaultPluginLoader
     }
 
     /**
-     * Load the {@link PluginDescriptor} instance for the report plugin implied by the specified MojoBinding, 
-     * using the project for {@link ArtifactRepository} and other supplemental report/plugin information as 
+     * Load the {@link PluginDescriptor} instance for the report plugin implied by the specified MojoBinding,
+     * using the project for {@link ArtifactRepository} and other supplemental report/plugin information as
      * necessary.
      */
     public PluginDescriptor loadReportPlugin( MojoBinding mojoBinding, MavenProject project )
@@ -328,10 +323,6 @@ public class DefaultPluginLoader
         {
             throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
         }
-        catch ( InvalidVersionSpecificationException e )
-        {
-            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
-        }
         catch ( InvalidPluginException e )
         {
             throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );

maven-core/src/main/java/org/apache/maven/plugin/loader/PluginLoaderException.java

@@ -1,12 +1,20 @@
 package org.apache.maven.plugin.loader;
 
+import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
+import org.apache.maven.artifact.resolver.ArtifactResolutionException;
+import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
 import org.apache.maven.model.Plugin;
 import org.apache.maven.model.ReportPlugin;
+import org.apache.maven.plugin.InvalidPluginException;
+import org.apache.maven.plugin.PluginManagerException;
+import org.apache.maven.plugin.PluginNotFoundException;
+import org.apache.maven.plugin.version.PluginVersionNotFoundException;
+import org.apache.maven.plugin.version.PluginVersionResolutionException;
 
 /**
  * Signifies a failure to load a plugin. This is used to abstract the specific errors which may be
  * encountered at lower levels, and provide a dependable interface to the plugin-loading framework.
- * 
+ *
  * @author jdcasey
  *
  */
@@ -16,18 +24,60 @@ public class PluginLoaderException
 
     private String pluginKey;
 
-    public PluginLoaderException( Plugin plugin, String message, Throwable cause )
+    public PluginLoaderException( Plugin plugin, String message, ArtifactResolutionException cause )
     {
         super( message, cause );
-        this.pluginKey = plugin.getKey();
+        pluginKey = plugin.getKey();
+    }
+
+    public PluginLoaderException( Plugin plugin, String message, ArtifactNotFoundException cause )
+    {
+        super( message, cause );
+        pluginKey = plugin.getKey();
+    }
+
+    public PluginLoaderException( Plugin plugin, String message, PluginNotFoundException cause )
+    {
+        super( message, cause );
+        pluginKey = plugin.getKey();
+    }
+
+    public PluginLoaderException( Plugin plugin, String message, PluginVersionResolutionException cause )
+    {
+        super( message, cause );
+        pluginKey = plugin.getKey();
+    }
+
+    public PluginLoaderException( Plugin plugin, String message, InvalidVersionSpecificationException cause )
+    {
+        super( message, cause );
+        pluginKey = plugin.getKey();
+    }
+
+    public PluginLoaderException( Plugin plugin, String message, InvalidPluginException cause )
+    {
+        super( message, cause );
+        pluginKey = plugin.getKey();
+    }
+
+    public PluginLoaderException( Plugin plugin, String message, PluginManagerException cause )
+    {
+        super( message, cause );
+        pluginKey = plugin.getKey();
+    }
+
+    public PluginLoaderException( Plugin plugin, String message, PluginVersionNotFoundException cause )
+    {
+        super( message, cause );
+        pluginKey = plugin.getKey();
     }
 
     public PluginLoaderException( Plugin plugin, String message )
     {
         super( message );
-        this.pluginKey = plugin.getKey();
+        pluginKey = plugin.getKey();
     }
-    
+
     public PluginLoaderException( String message )
     {
         super( message );
@@ -41,15 +91,15 @@ public class PluginLoaderException
     public PluginLoaderException( ReportPlugin plugin, String message, Throwable cause )
     {
         super( message, cause );
-        this.pluginKey = plugin.getKey();
+        pluginKey = plugin.getKey();
     }
 
     public PluginLoaderException( ReportPlugin plugin, String message )
     {
         super( message );
-        this.pluginKey = plugin.getKey();
+        pluginKey = plugin.getKey();
     }
-    
+
     public String getPluginKey()
     {
         return pluginKey;

maven-core/src/main/java/org/apache/maven/plugin/version/PluginVersionResolutionException.java

@@ -1,5 +1,8 @@
 package org.apache.maven.plugin.version;
 
+import org.apache.maven.artifact.metadata.ArtifactMetadataRetrievalException;
+import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
+
 /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
@@ -47,7 +50,16 @@ public class PluginVersionResolutionException
 
     private final String baseMessage;
 
-    public PluginVersionResolutionException( String groupId, String artifactId, String baseMessage, Throwable cause )
+    public PluginVersionResolutionException( String groupId, String artifactId, String baseMessage, ArtifactMetadataRetrievalException cause )
+    {
+        super( "Error resolving version for \'" + groupId + ":" + artifactId + "\': " + baseMessage, cause );
+
+        this.groupId = groupId;
+        this.artifactId = artifactId;
+        this.baseMessage = baseMessage;
+    }
+
+    public PluginVersionResolutionException( String groupId, String artifactId, String baseMessage, InvalidVersionSpecificationException cause )
     {
         super( "Error resolving version for \'" + groupId + ":" + artifactId + "\': " + baseMessage, cause );
 

maven-core/src/main/java/org/apache/maven/reactor/MavenExecutionException.java

@@ -1,5 +1,11 @@
 package org.apache.maven.reactor;
 
+import org.apache.maven.artifact.resolver.ArtifactResolutionException;
+import org.apache.maven.extension.ExtensionScanningException;
+import org.apache.maven.project.ProjectBuildingException;
+
+import java.io.IOException;
+
 /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
@@ -59,7 +65,22 @@ public class MavenExecutionException
         super( cause );
     }
 
-    public MavenExecutionException( String message, Throwable cause )
+    public MavenExecutionException( String message, IOException cause )
+    {
+        super( message, cause );
+    }
+
+    public MavenExecutionException( String message, ProjectBuildingException cause )
+    {
+        super( message, cause );
+    }
+
+    public MavenExecutionException( String message, ArtifactResolutionException cause )
+    {
+        super( message, cause );
+    }
+
+    public MavenExecutionException( String message, ExtensionScanningException cause )
     {
         super( message, cause );
     }

maven-embedder/pom.xml

@@ -245,4 +245,21 @@ under the License.
       </build>
     </profile>
   </profiles>
+  
+  <!-- 
+  <build>
+    <pluginManagement>
+      <plugins>
+        <plugin>
+          <artifactId>maven-surefire-plugin</artifactId>
+          <configuration>
+            <excludes>
+              <exclude>**/TestEmbedderLogger.java</exclude>
+            </excludes>
+          </configuration>
+        </plugin>
+      </plugins>
+    </pluginManagement>
+  </build>
+   -->
 </project>

maven-embedder/src/main/java/org/apache/maven/cli/CLIManager.java

@@ -92,66 +92,52 @@ public class CLIManager
     {
         options = new Options();
 
-        options.addOption( OptionBuilder.withLongOpt( "file" ).hasArg().withDescription(
-            "Force the use of an alternate POM file." ).create( ALTERNATE_POM_FILE ) );
+        options.addOption( OptionBuilder.hasArg( true ).create( ALTERNATE_POM_FILE ) );
 
         options.addOption(
-            OptionBuilder.withLongOpt( "define" ).hasArg().withDescription( "Define a system property" ).create(
+            OptionBuilder.hasArg( true ).create(
                 SET_SYSTEM_PROPERTY ) );
         options.addOption(
-            OptionBuilder.withLongOpt( "offline" ).withDescription( "Work offline" ).create( OFFLINE ) );
+            OptionBuilder.create( OFFLINE ) );
         options.addOption(
-            OptionBuilder.withLongOpt( "help" ).withDescription( "Display help information" ).create( HELP ) );
+            OptionBuilder.create( HELP ) );
         options.addOption(
-            OptionBuilder.withLongOpt( "version" ).withDescription( "Display version information" ).create(
+            OptionBuilder.create(
                 VERSION ) );
         options.addOption(
-            OptionBuilder.withLongOpt( "quiet" ).withDescription( "Quiet output - only show errors" ).create(
+            OptionBuilder.create(
                 QUIET ) );
         options.addOption(
-            OptionBuilder.withLongOpt( "debug" ).withDescription( "Produce execution debug output" ).create(
+            OptionBuilder.create(
                 DEBUG ) );
         options.addOption(
-            OptionBuilder.withLongOpt( "errors" ).withDescription( "Produce execution error messages" ).create(
+            OptionBuilder.create(
                 ERRORS ) );
-        options.addOption( OptionBuilder.withLongOpt( "reactor" ).withDescription(
-            "Execute goals for project found in the reactor" ).create( REACTOR ) );
-        options.addOption( OptionBuilder.withLongOpt( "non-recursive" ).withDescription(
-            "Do not recurse into sub-projects" ).create( NON_RECURSIVE ) );
-        options.addOption( OptionBuilder.withLongOpt( "update-snapshots" ).withDescription(
-            "Forces a check for updated releases and snapshots on remote repositories" ).create( UPDATE_SNAPSHOTS ) );
-        options.addOption( OptionBuilder.withLongOpt( "activate-profiles" ).withDescription(
-            "Comma-delimited list of profiles to activate" ).hasArg().create( ACTIVATE_PROFILES ) );
+        options.addOption( OptionBuilder.create( REACTOR ) );
+        options.addOption( OptionBuilder.create( NON_RECURSIVE ) );
+        options.addOption( OptionBuilder.create( UPDATE_SNAPSHOTS ) );
+        options.addOption( OptionBuilder.hasArg( true ).create( ACTIVATE_PROFILES ) );
 
-        options.addOption( OptionBuilder.withLongOpt( "batch-mode" ).withDescription(
-            "Run in non-interactive (batch) mode" ).create( BATCH_MODE ) );
+        options.addOption( OptionBuilder.create( BATCH_MODE ) );
 
-        options.addOption( OptionBuilder.withLongOpt( "check-plugin-updates" ).withDescription(
-            "Force upToDate check for any relevant registered plugins" ).create( FORCE_PLUGIN_UPDATES ) );
-        options.addOption( OptionBuilder.withLongOpt( "update-plugins" ).withDescription(
-            "Synonym for " + FORCE_PLUGIN_UPDATES ).create( FORCE_PLUGIN_UPDATES2 ) );
-        options.addOption( OptionBuilder.withLongOpt( "no-plugin-updates" ).withDescription(
-            "Suppress upToDate check for any relevant registered plugins" ).create( SUPPRESS_PLUGIN_UPDATES ) );
+        options.addOption( OptionBuilder.create( FORCE_PLUGIN_UPDATES ) );
+        options.addOption( OptionBuilder.create( FORCE_PLUGIN_UPDATES2 ) );
+        options.addOption( OptionBuilder.create( SUPPRESS_PLUGIN_UPDATES ) );
 
-        options.addOption(OptionBuilder.withLongOpt("no-snapshot-updates")
-                .withDescription("Supress SNAPSHOT updates")
+        options.addOption(OptionBuilder
                 .create(SUPRESS_SNAPSHOT_UPDATES));
 
-        options.addOption( OptionBuilder.withLongOpt( "no-plugin-registry" ).withDescription(
-            "Don't use ~/.m2/plugin-registry.xml for plugin versions" ).create( SUPPRESS_PLUGIN_REGISTRY ) );
+        options.addOption( OptionBuilder.create( SUPPRESS_PLUGIN_REGISTRY ) );
 
-        options.addOption( OptionBuilder.withLongOpt( "strict-checksums" ).withDescription(
-            "Fail the build if checksums don't match" ).create( CHECKSUM_FAILURE_POLICY ) );
+        options.addOption( OptionBuilder.create( CHECKSUM_FAILURE_POLICY ) );
         options.addOption(
-            OptionBuilder.withLongOpt( "lax-checksums" ).withDescription( "Warn if checksums don't match" ).create(
+            OptionBuilder.create(
                 CHECKSUM_WARNING_POLICY ) );
 
-        options.addOption( OptionBuilder.withLongOpt( "settings" )
-            .withDescription( "Alternate path for the user settings file" ).hasArg()
+        options.addOption( OptionBuilder.hasArg( true )
             .create( ALTERNATE_USER_SETTINGS ) );
 
-        options.addOption( OptionBuilder.withLongOpt( "fail-fast" ).withDescription(
-            "Stop at first failure in reactorized builds" ).create( FAIL_FAST ) );
+        options.addOption( OptionBuilder.create( FAIL_FAST ) );
 
         options.addOption( OptionBuilder.withLongOpt( "fail-at-end" ).withDescription(
             "Only fail the build afterwards; allow all non-impacted builds to continue" ).create( FAIL_AT_END ) );

maven-embedder/src/main/java/org/apache/maven/cli/CLIReportingUtils.java

@@ -0,0 +1,585 @@
+package org.apache.maven.cli;
+
+import org.apache.maven.BuildFailureException;
+import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
+import org.apache.maven.embedder.MavenEmbedderConsoleLogger;
+import org.apache.maven.embedder.MavenEmbedderLogger;
+import org.apache.maven.execution.BuildFailure;
+import org.apache.maven.execution.MavenExecutionRequest;
+import org.apache.maven.execution.MavenExecutionResult;
+import org.apache.maven.execution.ReactorManager;
+import org.apache.maven.extension.ExtensionScanningException;
+import org.apache.maven.lifecycle.LifecycleExecutionException;
+import org.apache.maven.plugin.AbstractMojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.plugin.PluginNotFoundException;
+import org.apache.maven.project.DuplicateProjectException;
+import org.apache.maven.project.InvalidProjectModelException;
+import org.apache.maven.project.MavenProject;
+import org.apache.maven.project.ProjectBuildingException;
+import org.apache.maven.reactor.MavenExecutionException;
+import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Iterator;
+import java.util.Locale;
+import java.util.Properties;
+import java.util.TimeZone;
+
+/**
+ * Utility class used to report errors, statistics, application version info, etc.
+ *
+ * @author jdcasey
+ *
+ */
+public final class CLIReportingUtils
+{
+
+    public static final long MB = 1024 * 1024;
+
+    public static final int MS_PER_SEC = 1000;
+
+    public static final int SEC_PER_MIN = 60;
+
+    public static final String OS_NAME = System.getProperty( "os.name" ).toLowerCase( Locale.US );
+
+    public static final String OS_ARCH = System.getProperty( "os.arch" ).toLowerCase( Locale.US );
+
+    public static final String OS_VERSION = System.getProperty( "os.version" )
+                                                  .toLowerCase( Locale.US );
+
+    private static final String NEWLINE = System.getProperty( "line.separator" );
+
+    private CLIReportingUtils()
+    {
+    }
+
+    static void showVersion()
+    {
+        InputStream resourceAsStream;
+        try
+        {
+            Properties properties = new Properties();
+            resourceAsStream = MavenCli.class.getClassLoader()
+                                             .getResourceAsStream(
+                                                                   "META-INF/maven/org.apache.maven/maven-core/pom.properties" );
+            properties.load( resourceAsStream );
+
+            if ( properties.getProperty( "builtOn" ) != null )
+            {
+                System.out.println( "Maven version: "
+                                    + properties.getProperty( "version", "unknown" ) + " built on "
+                                    + properties.getProperty( "builtOn" ) );
+            }
+            else
+            {
+                System.out.println( "Maven version: "
+                                    + properties.getProperty( "version", "unknown" ) );
+            }
+
+            System.out.println( "Java version: "
+                                + System.getProperty( "java.version", "<unknown java version>" ) );
+
+            //TODO: when plexus can return the family type, add that here because it will make it easier to know what profile activation settings to use.
+            System.out.println( "OS name: \"" + OS_NAME + "\" version: \"" + OS_VERSION
+                                + "\" arch: \"" + OS_ARCH + "\"" );
+        }
+        catch ( IOException e )
+        {
+            System.err.println( "Unable determine version from JAR file: " + e.getMessage() );
+        }
+    }
+
+    static void logResult( MavenExecutionRequest request,
+                           MavenExecutionResult result,
+                           MavenEmbedderLogger logger )
+    {
+        ReactorManager reactorManager = result.getReactorManager();
+
+        logReactorSummary( reactorManager, logger );
+
+        if ( ( reactorManager != null ) && reactorManager.hasBuildFailures() )
+        {
+            logErrors( reactorManager, request.isShowErrors(), logger );
+
+            if ( !ReactorManager.FAIL_NEVER.equals( reactorManager.getFailureBehavior() ) )
+            {
+                logger.info( "BUILD FAILED" );
+
+                line( logger );
+
+                stats( request.getStartTime(), logger );
+
+                line( logger );
+            }
+            else
+            {
+                logger.info( " + Ignoring build failures" );
+            }
+        }
+
+        if ( result.hasExceptions() )
+        {
+            for ( Iterator i = result.getExceptions().iterator(); i.hasNext(); )
+            {
+                Exception e = (Exception) i.next();
+
+                showError( e, request.isShowErrors(), logger );
+            }
+        }
+        else
+        {
+            line( logger );
+
+            logger.info( "BUILD SUCCESSFUL" );
+
+            line( logger );
+
+            stats( request.getStartTime(), logger );
+
+            line( logger );
+        }
+
+        logger.close();
+    }
+
+    private static void logErrors( ReactorManager rm,
+                                   boolean showErrors,
+                                   MavenEmbedderLogger logger )
+    {
+        for ( Iterator it = rm.getSortedProjects().iterator(); it.hasNext(); )
+        {
+            MavenProject project = (MavenProject) it.next();
+
+            if ( rm.hasBuildFailure( project ) )
+            {
+                BuildFailure buildFailure = rm.getBuildFailure( project );
+
+                logger.info( "Error for project: " + project.getName() + " (during "
+                             + buildFailure.getTask() + ")" );
+
+                line( logger );
+            }
+        }
+
+        if ( !showErrors )
+        {
+            logger.info( "For more information, run Maven with the -e switch" );
+
+            line( logger );
+        }
+    }
+
+    static void showError( String message,
+                           Exception e,
+                           boolean showErrors )
+    {
+        showError( message, e, showErrors, new MavenEmbedderConsoleLogger() );
+    }
+
+    static void showError( Exception e, boolean show, MavenEmbedderLogger logger )
+    {
+        showError( null, e, show, logger );
+    }
+
+    static void showError( String message, Exception e,
+                           boolean showStackTraces,
+                           MavenEmbedderLogger logger )
+    {
+        StringWriter writer = new StringWriter();
+
+        writer.write( NEWLINE );
+
+        if ( message != null )
+        {
+            writer.write( message );
+            writer.write( NEWLINE );
+        }
+
+        buildErrorMessage( e, showStackTraces, writer );
+
+        writer.write( NEWLINE );
+
+        if ( showStackTraces )
+        {
+            writer.write( "Error stacktrace:" );
+            writer.write( NEWLINE );
+            e.printStackTrace( new PrintWriter( writer ) );
+
+        }
+        else
+        {
+            writer.write( "For more information, run with the -e flag" );
+        }
+
+        logger.error( writer.toString() );
+    }
+
+    private static void buildErrorMessage( Exception e, boolean showStackTraces, StringWriter writer )
+    {
+        boolean handled = false;
+
+        if ( e instanceof BuildFailureException )
+        {
+            handled = handleBuildFailureException( (BuildFailureException) e, writer );
+        }
+        else if ( e instanceof ProjectBuildingException )
+        {
+            handled = handleProjectBuildingException( (ProjectBuildingException) e, writer );
+        }
+        else if ( e instanceof LifecycleExecutionException )
+        {
+            handled = handleLifecycleExecutionException( (LifecycleExecutionException) e, showStackTraces, writer );
+        }
+        else if ( e instanceof DuplicateProjectException )
+        {
+            handled = handleDuplicateProjectException( (DuplicateProjectException) e, writer );
+        }
+        else if ( e instanceof MavenExecutionException )
+        {
+            handled = handleMavenExecutionException( (MavenExecutionException) e, writer );
+        }
+
+
+        if ( !handled )
+        {
+            handleGenericException( e, writer );
+        }
+    }
+
+    private static boolean handleMavenExecutionException( MavenExecutionException e,
+                                                          StringWriter writer )
+    {
+        writer.write( "While scanning for build extensions:" );
+        writer.write( NEWLINE );
+        writer.write( NEWLINE );
+
+        Throwable cause = e.getCause();
+        if ( cause != null )
+        {
+            if ( cause instanceof IOException )
+            {
+                writer.write( e.getMessage() );
+                writer.write( NEWLINE );
+
+                handleGenericException( cause, writer );
+
+                return true;
+            }
+            else if ( cause instanceof ExtensionScanningException )
+            {
+                Throwable nestedCause = cause.getCause();
+                if ( ( nestedCause != null ) && ( nestedCause instanceof ProjectBuildingException ) )
+                {
+                    return handleProjectBuildingException( (ProjectBuildingException) nestedCause, writer );
+                }
+                else
+                {
+                    handleGenericException( cause, writer );
+
+                    return true;
+                }
+            }
+            else if ( cause instanceof ProjectBuildingException )
+            {
+                return handleProjectBuildingException( (ProjectBuildingException) cause, writer );
+            }
+        }
+
+        return false;
+    }
+
+    private static boolean handleDuplicateProjectException( DuplicateProjectException e,
+                                                            StringWriter writer )
+    {
+        File existing = e.getExistingProjectFile();
+        File conflicting = e.getConflictingProjectFile();
+        String projectId = e.getProjectId();
+
+        writer.write( "Duplicated project detected." );
+        writer.write( NEWLINE );
+        writer.write( NEWLINE );
+        writer.write( "Project: " + projectId );
+        writer.write( NEWLINE );
+        writer.write( "File: " );
+        writer.write( existing.getAbsolutePath() );
+        writer.write( NEWLINE );
+        writer.write( "File: " );
+        writer.write( conflicting.getAbsolutePath() );
+
+        return true;
+    }
+
+    private static void handleGenericException( Throwable exception, StringWriter writer )
+    {
+        writer.write( exception.getMessage() );
+        writer.write( NEWLINE );
+    }
+
+    private static boolean handleLifecycleExecutionException( LifecycleExecutionException e,
+                                                              boolean showStackTraces, StringWriter writer )
+    {
+        Throwable cause = e.getCause();
+        if ( cause != null )
+        {
+            if ( cause instanceof PluginNotFoundException )
+            {
+//                Plugin plugin = ( (PluginNotFoundException) cause ).getPlugin();
+
+                ArtifactNotFoundException artifactException = (ArtifactNotFoundException) ( (PluginNotFoundException) cause ).getCause();
+
+                writer.write( NEWLINE );
+                writer.write( NEWLINE );
+
+                handleGenericException( artifactException, writer );
+
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    private static boolean handleProjectBuildingException( ProjectBuildingException e,
+                                                           StringWriter writer )
+    {
+        boolean result = false;
+
+        Throwable cause = e.getCause();
+        if ( cause instanceof XmlPullParserException )
+        {
+            writer.write( "Error parsing POM:" );
+            writer.write( NEWLINE );
+            writer.write( NEWLINE );
+            writer.write( cause.getMessage() );
+
+            writer.write( NEWLINE );
+            writer.write( NEWLINE );
+            writer.write( "Line: " );
+            writer.write( "" + ( (XmlPullParserException) cause ).getLineNumber() );
+            writer.write( NEWLINE );
+            writer.write( "Column: " );
+            writer.write( "" + ( (XmlPullParserException) cause ).getColumnNumber() );
+
+            result = true;
+        }
+        else if ( e instanceof InvalidProjectModelException )
+        {
+            InvalidProjectModelException error = (InvalidProjectModelException) e;
+            writer.write( error.getMessage() );
+            writer.write( NEWLINE );
+            writer.write( "The following POM validation errors occurred:" );
+            writer.write( NEWLINE );
+
+            for ( Iterator it = error.getValidationResult().getMessages().iterator(); it.hasNext(); )
+            {
+                String message = (String) it.next();
+                writer.write( NEWLINE );
+                writer.write( " - " );
+                writer.write( message );
+            }
+
+            writer.write( NEWLINE );
+            writer.write( NEWLINE );
+
+            result = true;
+        }
+
+        writer.write( NEWLINE );
+        writer.write( "Project Id: " );
+        writer.write( e.getProjectId() );
+        writer.write( NEWLINE );
+        writer.write( "Project File: " );
+        writer.write( e.getPomLocation() );
+        writer.write( NEWLINE );
+
+        return result;
+    }
+
+    private static boolean handleBuildFailureException( BuildFailureException e, StringWriter writer )
+    {
+        Throwable cause = e.getCause();
+        if ( ( cause != null ) && ( cause instanceof MojoFailureException ) )
+        {
+            writer.write( ( (AbstractMojoExecutionException) cause ).getLongMessage() );
+            writer.write( NEWLINE );
+            return true;
+        }
+
+        return false;
+    }
+
+    private static void logReactorSummary( ReactorManager rm,
+                                           MavenEmbedderLogger logger )
+    {
+        if ( ( rm != null ) && rm.hasMultipleProjects() && rm.executedMultipleProjects() )
+        {
+            logger.info( "" );
+            logger.info( "" );
+
+            // -------------------------
+            // Reactor Summary:
+            // -------------------------
+            // o project-name...........FAILED
+            // o project2-name..........SKIPPED (dependency build failed or was skipped)
+            // o project-3-name.........SUCCESS
+
+            line( logger );
+            logger.info( "Reactor Summary:" );
+            line( logger );
+
+            for ( Iterator it = rm.getSortedProjects().iterator(); it.hasNext(); )
+            {
+                MavenProject project = (MavenProject) it.next();
+
+                if ( rm.hasBuildFailure( project ) )
+                {
+                    logReactorSummaryLine( project.getName(), "FAILED",
+                                           rm.getBuildFailure( project ).getTime(), logger );
+                }
+                else if ( rm.isBlackListed( project ) )
+                {
+                    logReactorSummaryLine( project.getName(),
+                                           "SKIPPED (dependency build failed or was skipped)",
+                                           logger );
+                }
+                else if ( rm.hasBuildSuccess( project ) )
+                {
+                    logReactorSummaryLine( project.getName(), "SUCCESS",
+                                           rm.getBuildSuccess( project ).getTime(),
+                                           logger );
+                }
+                else
+                {
+                    logReactorSummaryLine( project.getName(), "NOT BUILT", logger );
+                }
+            }
+            line( logger );
+        }
+    }
+
+    private static void stats( Date start,
+                               MavenEmbedderLogger logger )
+    {
+        Date finish = new Date();
+
+        long time = finish.getTime() - start.getTime();
+
+        logger.info( "Total time: " + formatTime( time ) );
+
+        logger.info( "Finished at: " + finish );
+
+        //noinspection CallToSystemGC
+        System.gc();
+
+        Runtime r = Runtime.getRuntime();
+
+        logger.info( "Final Memory: " + ( r.totalMemory() - r.freeMemory() ) / MB + "M/"
+                     + r.totalMemory() / MB + "M" );
+    }
+
+    private static void line( MavenEmbedderLogger logger )
+    {
+        logger.info( "------------------------------------------------------------------------" );
+    }
+
+    private static String formatTime( long ms )
+    {
+        long secs = ms / MS_PER_SEC;
+
+        long min = secs / SEC_PER_MIN;
+
+        secs = secs % SEC_PER_MIN;
+
+        String msg = "";
+
+        if ( min > 1 )
+        {
+            msg = min + " minutes ";
+        }
+        else if ( min == 1 )
+        {
+            msg = "1 minute ";
+        }
+
+        if ( secs > 1 )
+        {
+            msg += secs + " seconds";
+        }
+        else if ( secs == 1 )
+        {
+            msg += "1 second";
+        }
+        else if ( min == 0 )
+        {
+            msg += "< 1 second";
+        }
+        return msg;
+    }
+
+    private static void logReactorSummaryLine( String name,
+                                               String status,
+                                               MavenEmbedderLogger logger )
+    {
+        logReactorSummaryLine( name, status, -1, logger );
+    }
+
+    private static void logReactorSummaryLine( String name,
+                                               String status,
+                                               long time,
+                                               MavenEmbedderLogger logger )
+    {
+        StringBuffer messageBuffer = new StringBuffer();
+
+        messageBuffer.append( name );
+
+        int dotCount = 54;
+
+        dotCount -= name.length();
+
+        messageBuffer.append( " " );
+
+        for ( int i = 0; i < dotCount; i++ )
+        {
+            messageBuffer.append( '.' );
+        }
+
+        messageBuffer.append( " " );
+
+        messageBuffer.append( status );
+
+        if ( time >= 0 )
+        {
+            messageBuffer.append( " [" );
+
+            messageBuffer.append( getFormattedTime( time ) );
+
+            messageBuffer.append( "]" );
+        }
+
+        logger.info( messageBuffer.toString() );
+    }
+
+    private static String getFormattedTime( long time )
+    {
+        String pattern = "s.SSS's'";
+        if ( time / 60000L > 0 )
+        {
+            pattern = "m:s" + pattern;
+            if ( time / 3600000L > 0 )
+            {
+                pattern = "H:m" + pattern;
+            }
+        }
+        DateFormat fmt = new SimpleDateFormat( pattern );
+        fmt.setTimeZone( TimeZone.getTimeZone( "UTC" ) );
+        return fmt.format( new Date( time ) );
+    }
+}

maven-embedder/src/main/java/org/apache/maven/cli/CLIRequestUtils.java

@@ -0,0 +1,281 @@
+package org.apache.maven.cli;
+
+import org.apache.commons.cli.CommandLine;
+import org.apache.maven.MavenTransferListener;
+import org.apache.maven.execution.DefaultMavenExecutionRequest;
+import org.apache.maven.execution.MavenExecutionRequest;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Properties;
+import java.util.StringTokenizer;
+
+public final class CLIRequestUtils
+{
+
+    private CLIRequestUtils()
+    {
+    }
+
+    public static MavenExecutionRequest buildRequest( CommandLine commandLine, boolean debug, boolean quiet, boolean showErrors )
+    {
+        // ----------------------------------------------------------------------
+        // Now that we have everything that we need we will fire up plexus and
+        // bring the maven component to life for use.
+        // ----------------------------------------------------------------------
+
+        boolean interactive = true;
+
+        if ( commandLine.hasOption( CLIManager.BATCH_MODE ) )
+        {
+            interactive = false;
+        }
+
+        boolean pluginUpdateOverride = false;
+
+        if ( commandLine.hasOption( CLIManager.FORCE_PLUGIN_UPDATES ) ||
+            commandLine.hasOption( CLIManager.FORCE_PLUGIN_UPDATES2 ) )
+        {
+            pluginUpdateOverride = true;
+        }
+        else if ( commandLine.hasOption( CLIManager.SUPPRESS_PLUGIN_UPDATES ) )
+        {
+            pluginUpdateOverride = false;
+        }
+
+        boolean noSnapshotUpdates = false;
+        if ( commandLine.hasOption( CLIManager.SUPRESS_SNAPSHOT_UPDATES ) )
+        {
+            noSnapshotUpdates = true;
+        }
+
+        // ----------------------------------------------------------------------
+        //
+        // ----------------------------------------------------------------------
+
+        List goals = commandLine.getArgList();
+
+        boolean recursive = true;
+
+        // this is the default behavior.
+        String reactorFailureBehaviour = MavenExecutionRequest.REACTOR_FAIL_FAST;
+
+        if ( commandLine.hasOption( CLIManager.NON_RECURSIVE ) )
+        {
+            recursive = false;
+        }
+
+        if ( commandLine.hasOption( CLIManager.FAIL_FAST ) )
+        {
+            reactorFailureBehaviour = MavenExecutionRequest.REACTOR_FAIL_FAST;
+        }
+        else if ( commandLine.hasOption( CLIManager.FAIL_AT_END ) )
+        {
+            reactorFailureBehaviour = MavenExecutionRequest.REACTOR_FAIL_AT_END;
+        }
+        else if ( commandLine.hasOption( CLIManager.FAIL_NEVER ) )
+        {
+            reactorFailureBehaviour = MavenExecutionRequest.REACTOR_FAIL_NEVER;
+        }
+
+        boolean offline = false;
+
+        if ( commandLine.hasOption( CLIManager.OFFLINE ) )
+        {
+            offline = true;
+        }
+
+        boolean updateSnapshots = false;
+
+        if ( commandLine.hasOption( CLIManager.UPDATE_SNAPSHOTS ) )
+        {
+            updateSnapshots = true;
+        }
+
+        String globalChecksumPolicy = null;
+
+        if ( commandLine.hasOption( CLIManager.CHECKSUM_FAILURE_POLICY ) )
+        {
+            // todo; log
+            System.out.println( "+ Enabling strict checksum verification on all artifact downloads." );
+
+            globalChecksumPolicy = MavenExecutionRequest.CHECKSUM_POLICY_FAIL;
+        }
+        else if ( commandLine.hasOption( CLIManager.CHECKSUM_WARNING_POLICY ) )
+        {
+            // todo: log
+            System.out.println( "+ Disabling strict checksum verification on all artifact downloads." );
+
+            globalChecksumPolicy = MavenExecutionRequest.CHECKSUM_POLICY_WARN;
+        }
+
+        File baseDirectory = new File( System.getProperty( "user.dir" ) );
+
+        // ----------------------------------------------------------------------
+        // Profile Activation
+        // ----------------------------------------------------------------------
+
+        List activeProfiles = new ArrayList();
+
+        List inactiveProfiles = new ArrayList();
+
+        if ( commandLine.hasOption( CLIManager.ACTIVATE_PROFILES ) )
+        {
+            String profilesLine = commandLine.getOptionValue( CLIManager.ACTIVATE_PROFILES );
+
+            StringTokenizer profileTokens = new StringTokenizer( profilesLine, "," );
+
+            while ( profileTokens.hasMoreTokens() )
+            {
+                String profileAction = profileTokens.nextToken().trim();
+
+                if ( profileAction.startsWith( "-" ) )
+                {
+                    activeProfiles.add( profileAction.substring( 1 ) );
+                }
+                else if ( profileAction.startsWith( "+" ) )
+                {
+                    inactiveProfiles.add( profileAction.substring( 1 ) );
+                }
+                else
+                {
+                    // TODO: deprecate this eventually!
+                    activeProfiles.add( profileAction );
+                }
+            }
+        }
+
+        MavenTransferListener transferListener;
+
+        if ( interactive )
+        {
+            transferListener = new ConsoleDownloadMonitor();
+        }
+        else
+        {
+            transferListener = new BatchModeDownloadMonitor();
+        }
+
+        transferListener.setShowChecksumEvents( false );
+
+        // This means to scan a directory structure for POMs and process them.
+        boolean useReactor = false;
+
+        if ( commandLine.hasOption( CLIManager.REACTOR ) )
+        {
+            useReactor = true;
+        }
+
+        String alternatePomFile = null;
+        if ( commandLine.hasOption( CLIManager.ALTERNATE_POM_FILE ) )
+        {
+            alternatePomFile = commandLine.getOptionValue( CLIManager.ALTERNATE_POM_FILE );
+        }
+
+        int loggingLevel;
+
+        if ( debug )
+        {
+            loggingLevel = MavenExecutionRequest.LOGGING_LEVEL_DEBUG;
+        }
+        else if ( quiet )
+        {
+            // TODO: we need to do some more work here. Some plugins use sys out or log errors at info level.
+            // Ideally, we could use Warn across the board
+            loggingLevel = MavenExecutionRequest.LOGGING_LEVEL_ERROR;
+            // TODO:Additionally, we can't change the mojo level because the component key includes the version and it isn't known ahead of time. This seems worth changing.
+        }
+        else
+        {
+            loggingLevel = MavenExecutionRequest.LOGGING_LEVEL_INFO;
+        }
+
+        Properties executionProperties = getExecutionProperties( commandLine );
+
+        return new DefaultMavenExecutionRequest()
+            .setBaseDirectory( baseDirectory )
+            .setGoals( goals )
+            .setProperties( executionProperties ) // optional
+            .setReactorFailureBehavior( reactorFailureBehaviour ) // default: fail fast
+            .setRecursive( recursive ) // default: true
+            .setUseReactor( useReactor ) // default: false
+            .setPomFile( alternatePomFile ) // optional
+            .setShowErrors( showErrors ) // default: false
+            .setInteractiveMode( interactive ) // default: false
+            .setOffline( offline ) // default: false
+            .setUsePluginUpdateOverride( pluginUpdateOverride )
+            .addActiveProfiles( activeProfiles ) // optional
+            .addInactiveProfiles( inactiveProfiles ) // optional
+            .setLoggingLevel( loggingLevel ) // default: info
+            .setTransferListener( transferListener ) // default: batch mode which goes along with interactive
+            .setUpdateSnapshots( updateSnapshots ) // default: false
+            .setNoSnapshotUpdates( noSnapshotUpdates ) // default: false
+            .setGlobalChecksumPolicy( globalChecksumPolicy ); // default: warn
+    }
+
+    // ----------------------------------------------------------------------
+    // System properties handling
+    // ----------------------------------------------------------------------
+
+    private static Properties getExecutionProperties( CommandLine commandLine )
+    {
+        Properties executionProperties = new Properties();
+
+        // ----------------------------------------------------------------------
+        // Options that are set on the command line become system properties
+        // and therefore are set in the session properties. System properties
+        // are most dominant.
+        // ----------------------------------------------------------------------
+
+        if ( commandLine.hasOption( CLIManager.SET_SYSTEM_PROPERTY ) )
+        {
+            String[] defStrs = commandLine.getOptionValues( CLIManager.SET_SYSTEM_PROPERTY );
+
+            if ( defStrs != null )
+            {
+                for ( int i = 0; i < defStrs.length; ++i )
+                {
+                    setCliProperty( defStrs[i], executionProperties );
+                }
+            }
+        }
+
+        executionProperties.putAll( System.getProperties() );
+
+        return executionProperties;
+    }
+
+    private static void setCliProperty( String property,
+                                        Properties executionProperties )
+    {
+        String name;
+
+        String value;
+
+        int i = property.indexOf( "=" );
+
+        if ( i <= 0 )
+        {
+            name = property.trim();
+
+            value = "true";
+        }
+        else
+        {
+            name = property.substring( 0, i ).trim();
+
+            value = property.substring( i + 1 ).trim();
+        }
+
+        executionProperties.setProperty( name, value );
+
+        // ----------------------------------------------------------------------
+        // I'm leaving the setting of system properties here as not to break
+        // the SystemPropertyProfileActivator. This won't harm embedding. jvz.
+        // ----------------------------------------------------------------------
+
+        System.setProperty( name, value );
+    }
+
+}

maven-embedder/src/main/java/org/apache/maven/cli/MavenCli.java

@@ -21,8 +21,6 @@ package org.apache.maven.cli;
 
 import org.apache.commons.cli.CommandLine;
 import org.apache.commons.cli.ParseException;
-import org.apache.maven.BuildFailureException;
-import org.apache.maven.MavenTransferListener;
 import org.apache.maven.embedder.Configuration;
 import org.apache.maven.embedder.ConfigurationValidationResult;
 import org.apache.maven.embedder.DefaultConfiguration;
@@ -31,28 +29,11 @@ import org.apache.maven.embedder.MavenEmbedderConsoleLogger;
 import org.apache.maven.embedder.MavenEmbedderException;
 import org.apache.maven.embedder.MavenEmbedderFileLogger;
 import org.apache.maven.embedder.MavenEmbedderLogger;
-import org.apache.maven.execution.BuildFailure;
-import org.apache.maven.execution.DefaultMavenExecutionRequest;
 import org.apache.maven.execution.MavenExecutionRequest;
 import org.apache.maven.execution.MavenExecutionResult;
-import org.apache.maven.execution.ReactorManager;
-import org.apache.maven.plugin.AbstractMojoExecutionException;
-import org.apache.maven.project.MavenProject;
 import org.codehaus.plexus.classworlds.ClassWorld;
 
 import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Locale;
-import java.util.Properties;
-import java.util.StringTokenizer;
-import java.util.TimeZone;
 
 /**
  * @author jason van zyl
@@ -63,12 +44,6 @@ public class MavenCli
 {
     public static final String LOCAL_REPO_PROPERTY = "maven.repo.local";
 
-    public static final String OS_NAME = System.getProperty( "os.name" ).toLowerCase( Locale.US );
-
-    public static final String OS_ARCH = System.getProperty( "os.arch" ).toLowerCase( Locale.US );
-
-    public static final String OS_VERSION = System.getProperty( "os.version" ).toLowerCase( Locale.US );
-
     public static void main( String[] args )
     {
         ClassWorld classWorld = new ClassWorld( "plexus.core", Thread.currentThread().getContextClassLoader() );
@@ -148,208 +123,66 @@ public class MavenCli
 
         if ( commandLine.hasOption( CLIManager.VERSION ) )
         {
-            showVersion();
+            CLIReportingUtils.showVersion();
 
             return 0;
         }
         else if ( debug )
         {
-            showVersion();
+            CLIReportingUtils.showVersion();
         }
 
-        // ----------------------------------------------------------------------
-        // Now that we have everything that we need we will fire up plexus and
-        // bring the maven component to life for use.
-        // ----------------------------------------------------------------------
+        MavenExecutionRequest request = CLIRequestUtils.buildRequest( commandLine, debug, quiet, showErrors );
 
-        boolean interactive = true;
+        Configuration configuration = buildEmbedderConfiguration( request, commandLine, classWorld );
 
-        if ( commandLine.hasOption( CLIManager.BATCH_MODE ) )
+        ConfigurationValidationResult cvr = MavenEmbedder.validateConfiguration( configuration );
+
+        if ( cvr.isUserSettingsFilePresent() && !cvr.isUserSettingsFileParses() )
         {
-            interactive = false;
+            CLIReportingUtils.showError( "Error reading user settings: ", cvr.getUserSettingsException(), showErrors );
+
+            return 1;
         }
 
-        boolean pluginUpdateOverride = false;
+        if ( cvr.isGlobalSettingsFilePresent() && !cvr.isGlobalSettingsFileParses() )
+        {
+            CLIReportingUtils.showError( "Error reading global settings: ", cvr.getGlobalSettingsException(), showErrors );
 
-        if ( commandLine.hasOption( CLIManager.FORCE_PLUGIN_UPDATES ) ||
-            commandLine.hasOption( CLIManager.FORCE_PLUGIN_UPDATES2 ) )
-        {
-            pluginUpdateOverride = true;
-        }
-        else if ( commandLine.hasOption( CLIManager.SUPPRESS_PLUGIN_UPDATES ) )
-        {
-            pluginUpdateOverride = false;
+            return 1;
         }
 
-        boolean noSnapshotUpdates = false;
-        if ( commandLine.hasOption( CLIManager.SUPRESS_SNAPSHOT_UPDATES ) )
+        MavenEmbedder mavenEmbedder;
+        MavenEmbedderLogger logger;
+        try
         {
-            noSnapshotUpdates = true;
+            mavenEmbedder = new MavenEmbedder( configuration );
+
+            logger = mavenEmbedder.getLogger();
+        }
+        catch ( MavenEmbedderException e )
+        {
+            CLIReportingUtils.showError( "Unable to start the embedder: ", e, showErrors );
+
+            return 1;
         }
 
-        // ----------------------------------------------------------------------
-        //
-        // ----------------------------------------------------------------------
+        MavenExecutionResult result = mavenEmbedder.execute( request );
 
-        List goals = commandLine.getArgList();
+        CLIReportingUtils.logResult( request, result, logger );
 
-        boolean recursive = true;
-
-        // this is the default behavior.
-        String reactorFailureBehaviour = MavenExecutionRequest.REACTOR_FAIL_FAST;
-
-        if ( commandLine.hasOption( CLIManager.NON_RECURSIVE ) )
+        if ( result.hasExceptions() )
         {
-            recursive = false;
-        }
-
-        if ( commandLine.hasOption( CLIManager.FAIL_FAST ) )
-        {
-            reactorFailureBehaviour = MavenExecutionRequest.REACTOR_FAIL_FAST;
-        }
-        else if ( commandLine.hasOption( CLIManager.FAIL_AT_END ) )
-        {
-            reactorFailureBehaviour = MavenExecutionRequest.REACTOR_FAIL_AT_END;
-        }
-        else if ( commandLine.hasOption( CLIManager.FAIL_NEVER ) )
-        {
-            reactorFailureBehaviour = MavenExecutionRequest.REACTOR_FAIL_NEVER;
-        }
-
-        boolean offline = false;
-
-        if ( commandLine.hasOption( CLIManager.OFFLINE ) )
-        {
-            offline = true;
-        }
-
-        boolean updateSnapshots = false;
-
-        if ( commandLine.hasOption( CLIManager.UPDATE_SNAPSHOTS ) )
-        {
-            updateSnapshots = true;
-        }
-
-        String globalChecksumPolicy = null;
-
-        if ( commandLine.hasOption( CLIManager.CHECKSUM_FAILURE_POLICY ) )
-        {
-            // todo; log
-            System.out.println( "+ Enabling strict checksum verification on all artifact downloads." );
-
-            globalChecksumPolicy = MavenExecutionRequest.CHECKSUM_POLICY_FAIL;
-        }
-        else if ( commandLine.hasOption( CLIManager.CHECKSUM_WARNING_POLICY ) )
-        {
-            // todo: log
-            System.out.println( "+ Disabling strict checksum verification on all artifact downloads." );
-
-            globalChecksumPolicy = MavenExecutionRequest.CHECKSUM_POLICY_WARN;
-        }
-
-        File baseDirectory = new File( System.getProperty( "user.dir" ) );
-
-        // ----------------------------------------------------------------------
-        // Profile Activation
-        // ----------------------------------------------------------------------
-
-        List activeProfiles = new ArrayList();
-
-        List inactiveProfiles = new ArrayList();
-
-        if ( commandLine.hasOption( CLIManager.ACTIVATE_PROFILES ) )
-        {
-            String profilesLine = commandLine.getOptionValue( CLIManager.ACTIVATE_PROFILES );
-
-            StringTokenizer profileTokens = new StringTokenizer( profilesLine, "," );
-
-            while ( profileTokens.hasMoreTokens() )
-            {
-                String profileAction = profileTokens.nextToken().trim();
-
-                if ( profileAction.startsWith( "-" ) )
-                {
-                    activeProfiles.add( profileAction.substring( 1 ) );
-                }
-                else if ( profileAction.startsWith( "+" ) )
-                {
-                    inactiveProfiles.add( profileAction.substring( 1 ) );
-                }
-                else
-                {
-                    // TODO: deprecate this eventually!
-                    activeProfiles.add( profileAction );
-                }
-            }
-        }
-
-        MavenTransferListener transferListener;
-
-        if ( interactive )
-        {
-            transferListener = new ConsoleDownloadMonitor();
+            return 1;
         }
         else
         {
-            transferListener = new BatchModeDownloadMonitor();
+            return 0;
         }
+    }
 
-        transferListener.setShowChecksumEvents( false );
-
-        // This means to scan a directory structure for POMs and process them.
-        boolean useReactor = false;
-
-        if ( commandLine.hasOption( CLIManager.REACTOR ) )
-        {
-            useReactor = true;
-        }
-
-        String alternatePomFile = null;
-        if ( commandLine.hasOption( CLIManager.ALTERNATE_POM_FILE ) )
-        {
-            alternatePomFile = commandLine.getOptionValue( CLIManager.ALTERNATE_POM_FILE );
-        }
-
-        int loggingLevel;
-
-        if ( debug )
-        {
-            loggingLevel = MavenExecutionRequest.LOGGING_LEVEL_DEBUG;
-        }
-        else if ( quiet )
-        {
-            // TODO: we need to do some more work here. Some plugins use sys out or log errors at info level.
-            // Ideally, we could use Warn across the board
-            loggingLevel = MavenExecutionRequest.LOGGING_LEVEL_ERROR;
-            // TODO:Additionally, we can't change the mojo level because the component key includes the version and it isn't known ahead of time. This seems worth changing.
-        }
-        else
-        {
-            loggingLevel = MavenExecutionRequest.LOGGING_LEVEL_INFO;
-        }
-
-        Properties executionProperties = getExecutionProperties( commandLine );
-
-        MavenExecutionRequest request = new DefaultMavenExecutionRequest()
-            .setBaseDirectory( baseDirectory )
-            .setGoals( goals )
-            .setProperties( executionProperties ) // optional
-            .setReactorFailureBehavior( reactorFailureBehaviour ) // default: fail fast
-            .setRecursive( recursive ) // default: true
-            .setUseReactor( useReactor ) // default: false
-            .setPomFile( alternatePomFile ) // optional
-            .setShowErrors( showErrors ) // default: false
-            .setInteractiveMode( interactive ) // default: false
-            .setOffline( offline ) // default: false
-            .setUsePluginUpdateOverride( pluginUpdateOverride )
-            .addActiveProfiles( activeProfiles ) // optional
-            .addInactiveProfiles( inactiveProfiles ) // optional
-            .setLoggingLevel( loggingLevel ) // default: info
-            .setTransferListener( transferListener ) // default: batch mode which goes along with interactive
-            .setUpdateSnapshots( updateSnapshots ) // default: false
-            .setNoSnapshotUpdates( noSnapshotUpdates ) // default: false
-            .setGlobalChecksumPolicy( globalChecksumPolicy ); // default: warn
-
+    private Configuration buildEmbedderConfiguration( MavenExecutionRequest request, CommandLine commandLine, ClassWorld classWorld )
+    {
         File userSettingsFile;
 
         if ( commandLine.hasOption( CLIManager.ALTERNATE_USER_SETTINGS ) )
@@ -369,7 +202,7 @@ public class MavenCli
         if ( commandLine.hasOption( CLIManager.LOG_FILE ) )
         {
             File logFile = new File(
-                baseDirectory,
+                request.getBaseDirectory(),
                 commandLine.getOptionValue( CLIManager.LOG_FILE ) );
 
             configuration.setMavenEmbedderLogger( new MavenEmbedderFileLogger( logFile ) );
@@ -379,475 +212,14 @@ public class MavenCli
             configuration.setMavenEmbedderLogger( new MavenEmbedderConsoleLogger() );
         }
 
-        ConfigurationValidationResult cvr = MavenEmbedder.validateConfiguration( configuration );
-
-        if ( cvr.isUserSettingsFilePresent() && !cvr.isUserSettingsFileParses() )
-        {
-            showError( "Error reading user settings: ", cvr.getUserSettingsException(), showErrors );
-
-            return 1;
-        }
-
-        if ( cvr.isGlobalSettingsFilePresent() && !cvr.isGlobalSettingsFileParses() )
-        {
-            showError( "Error reading global settings: ", cvr.getGlobalSettingsException(), showErrors );
-
-            return 1;
-        }
-
-        String localRepoProperty = executionProperties.getProperty( LOCAL_REPO_PROPERTY );
+        String localRepoProperty = request.getProperties().getProperty( LOCAL_REPO_PROPERTY );
 
         if ( localRepoProperty != null )
         {
             configuration.setLocalRepository( new File( localRepoProperty ) );
         }
 
-        MavenEmbedder mavenEmbedder;
-
-        try
-        {
-            mavenEmbedder = new MavenEmbedder( configuration );
-
-            logger = mavenEmbedder.getLogger();
-        }
-        catch ( MavenEmbedderException e )
-        {
-            showError( "Unable to start the embedder: ", e, showErrors );
-
-            return 1;
-        }
-
-        MavenExecutionResult result = mavenEmbedder.execute( request );
-
-        logResult( request, result );
-
-        if ( result.hasExceptions() )
-        {
-            return 1;
-        }
-        else
-        {
-            return 0;
-        }
+        return configuration;
     }
 
-    private static void showVersion()
-    {
-        InputStream resourceAsStream;
-        try
-        {
-            Properties properties = new Properties();
-            resourceAsStream = MavenCli.class.getClassLoader().getResourceAsStream(
-                "META-INF/maven/org.apache.maven/maven-core/pom.properties" );
-            properties.load( resourceAsStream );
-
-            if ( properties.getProperty( "builtOn" ) != null )
-            {
-                System.out.println( "Maven version: " + properties.getProperty( "version", "unknown" ) + " built on " +
-                    properties.getProperty( "builtOn" ) );
-            }
-            else
-            {
-                System.out.println( "Maven version: " + properties.getProperty( "version", "unknown" ) );
-            }
-
-            System.out.println( "Java version: " + System.getProperty( "java.version", "<unknown java version>" ) );
-
-            //TODO: when plexus can return the family type, add that here because it will make it easier to know what profile activation settings to use.
-            System.out.println( "OS name: \"" + OS_NAME + "\" version: \"" + OS_VERSION + "\" arch: \"" + OS_ARCH + "\"" );
-        }
-        catch ( IOException e )
-        {
-            System.err.println( "Unable determine version from JAR file: " + e.getMessage() );
-        }
-    }
-
-    // ----------------------------------------------------------------------
-    // System properties handling
-    // ----------------------------------------------------------------------
-
-    private static Properties getExecutionProperties( CommandLine commandLine )
-    {
-        Properties executionProperties = new Properties();
-
-        // ----------------------------------------------------------------------
-        // Options that are set on the command line become system properties
-        // and therefore are set in the session properties. System properties
-        // are most dominant.
-        // ----------------------------------------------------------------------
-
-        if ( commandLine.hasOption( CLIManager.SET_SYSTEM_PROPERTY ) )
-        {
-            String[] defStrs = commandLine.getOptionValues( CLIManager.SET_SYSTEM_PROPERTY );
-
-            for ( int i = 0; i < defStrs.length; ++i )
-            {
-                setCliProperty( defStrs[i], executionProperties );
-            }
-        }
-
-        executionProperties.putAll( System.getProperties() );
-
-        return executionProperties;
-    }
-
-    private static void setCliProperty( String property,
-                                        Properties executionProperties )
-    {
-        String name;
-
-        String value;
-
-        int i = property.indexOf( "=" );
-
-        if ( i <= 0 )
-        {
-            name = property.trim();
-
-            value = "true";
-        }
-        else
-        {
-            name = property.substring( 0, i ).trim();
-
-            value = property.substring( i + 1 ).trim();
-        }
-
-        executionProperties.setProperty( name, value );
-
-        // ----------------------------------------------------------------------
-        // I'm leaving the setting of system properties here as not to break
-        // the SystemPropertyProfileActivator. This won't harm embedding. jvz.
-        // ----------------------------------------------------------------------
-
-        System.setProperty( name, value );
-    }
-
-    // ----------------------------------------------------------------------
-    // Reporting / Logging
-    // ----------------------------------------------------------------------
-
-    private static final long MB = 1024 * 1024;
-
-    private static final int MS_PER_SEC = 1000;
-
-    private static final int SEC_PER_MIN = 60;
-
-    private MavenEmbedderLogger logger;
-
-    private MavenEmbedderLogger getLogger()
-    {
-        return logger;
-    }
-
-    private void logResult( MavenExecutionRequest request, MavenExecutionResult result )
-    {
-        ReactorManager reactorManager = result.getReactorManager();
-
-        logReactorSummary( reactorManager );
-
-        if ( ( reactorManager != null ) && reactorManager.hasBuildFailures() )
-        {
-            logErrors(
-                reactorManager,
-                request.isShowErrors() );
-
-            if ( !ReactorManager.FAIL_NEVER.equals( reactorManager.getFailureBehavior() ) )
-            {
-                getLogger().info( "BUILD ERRORS" );
-
-                line();
-
-                stats( request.getStartTime() );
-
-                line();
-            }
-            else
-            {
-                getLogger().info( " + Ignoring failures" );
-            }
-        }
-
-        if ( result.hasExceptions() )
-        {
-            for ( Iterator i = result.getExceptions().iterator(); i.hasNext(); )
-            {
-                Exception e = (Exception) i.next();
-
-                if ( e instanceof BuildFailureException )
-                {
-                    showFailure( e, request.isShowErrors() );
-                }
-                else
-                {
-                    showError( e.getMessage(), e, request.isShowErrors() );
-                }
-            }
-        }
-        else
-        {
-            line();
-
-            getLogger().info( "BUILD SUCCESSFUL" );
-
-            line();
-
-            stats( request.getStartTime() );
-
-            line();
-        }
-
-        logger.close();
-    }
-
-    private void logErrors( ReactorManager rm,
-                            boolean showErrors )
-    {
-        for ( Iterator it = rm.getSortedProjects().iterator(); it.hasNext(); )
-        {
-            MavenProject project = (MavenProject) it.next();
-
-            if ( rm.hasBuildFailure( project ) )
-            {
-                BuildFailure buildFailure = rm.getBuildFailure( project );
-
-                getLogger().info(
-                    "Error for project: " + project.getName() + " (during " + buildFailure.getTask() + ")" );
-
-                line();
-            }
-        }
-
-        if ( !showErrors )
-        {
-            getLogger().info( "For more information, run Maven with the -e switch" );
-
-            line();
-        }
-    }
-
-    private static void showFailure( Exception e,
-                                   boolean show )
-    {
-        String message = e.getMessage();
-        Throwable cause = e.getCause();
-        if ( ( cause != null ) && ( cause instanceof AbstractMojoExecutionException ) )
-        {
-            message = ((AbstractMojoExecutionException)cause).getLongMessage();
-            if ( message == null )
-            {
-                message = cause.getMessage();
-            }
-        }
-        else
-        {
-            cause = e;
-        }
-
-        System.err.println();
-        System.err.println( message );
-        System.err.println();
-
-        if ( show )
-        {
-            System.err.println( "Error stacktrace:" );
-
-            cause.printStackTrace();
-        }
-        else
-        {
-            System.err.println( "For more information, run with the -e flag" );
-        }
-    }
-
-    private static void showError( String message,
-                                   Exception e,
-                                   boolean show )
-    {
-        System.err.println();
-        System.err.println( message );
-        System.err.println();
-
-        if ( show )
-        {
-            System.err.println( "Error stacktrace:" );
-
-            e.printStackTrace();
-        }
-        else
-        {
-            System.err.println( "For more information, run with the -e flag" );
-        }
-    }
-
-    private void logReactorSummary( ReactorManager rm )
-    {
-        if ( ( rm != null ) && rm.hasMultipleProjects() && rm.executedMultipleProjects() )
-        {
-            getLogger().info( "" );
-            getLogger().info( "" );
-
-            // -------------------------
-            // Reactor Summary:
-            // -------------------------
-            // o project-name...........FAILED
-            // o project2-name..........SKIPPED (dependency build failed or was skipped)
-            // o project-3-name.........SUCCESS
-
-            line();
-            getLogger().info( "Reactor Summary:" );
-            line();
-
-            for ( Iterator it = rm.getSortedProjects().iterator(); it.hasNext(); )
-            {
-                MavenProject project = (MavenProject) it.next();
-
-                if ( rm.hasBuildFailure( project ) )
-                {
-                    logReactorSummaryLine(
-                        project.getName(),
-                        "FAILED",
-                        rm.getBuildFailure( project ).getTime() );
-                }
-                else if ( rm.isBlackListed( project ) )
-                {
-                    logReactorSummaryLine(
-                        project.getName(),
-                        "SKIPPED (dependency build failed or was skipped)" );
-                }
-                else if ( rm.hasBuildSuccess( project ) )
-                {
-                    logReactorSummaryLine(
-                        project.getName(),
-                        "SUCCESS",
-                        rm.getBuildSuccess( project ).getTime() );
-                }
-                else
-                {
-                    logReactorSummaryLine(
-                        project.getName(),
-                        "NOT BUILT" );
-                }
-            }
-            line();
-        }
-    }
-
-    private void stats( Date start )
-    {
-        Date finish = new Date();
-
-        long time = finish.getTime() - start.getTime();
-
-        getLogger().info( "Total time: " + formatTime( time ) );
-
-        getLogger().info( "Finished at: " + finish );
-
-        //noinspection CallToSystemGC
-        System.gc();
-
-        Runtime r = Runtime.getRuntime();
-
-        getLogger().info(
-            "Final Memory: " + ( r.totalMemory() - r.freeMemory() ) / MB + "M/" + r.totalMemory() / MB + "M" );
-    }
-
-    private void line()
-    {
-        getLogger().info( "------------------------------------------------------------------------" );
-    }
-
-    private static String formatTime( long ms )
-    {
-        long secs = ms / MS_PER_SEC;
-
-        long min = secs / SEC_PER_MIN;
-
-        secs = secs % SEC_PER_MIN;
-
-        String msg = "";
-
-        if ( min > 1 )
-        {
-            msg = min + " minutes ";
-        }
-        else if ( min == 1 )
-        {
-            msg = "1 minute ";
-        }
-
-        if ( secs > 1 )
-        {
-            msg += secs + " seconds";
-        }
-        else if ( secs == 1 )
-        {
-            msg += "1 second";
-        }
-        else if ( min == 0 )
-        {
-            msg += "< 1 second";
-        }
-        return msg;
-    }
-
-    private void logReactorSummaryLine( String name,
-                                        String status )
-    {
-        logReactorSummaryLine(
-            name,
-            status,
-            -1 );
-    }
-
-    private void logReactorSummaryLine( String name,
-                                        String status,
-                                        long time )
-    {
-        StringBuffer messageBuffer = new StringBuffer();
-
-        messageBuffer.append( name );
-
-        int dotCount = 54;
-
-        dotCount -= name.length();
-
-        messageBuffer.append( " " );
-
-        for ( int i = 0; i < dotCount; i++ )
-        {
-            messageBuffer.append( '.' );
-        }
-
-        messageBuffer.append( " " );
-
-        messageBuffer.append( status );
-
-        if ( time >= 0 )
-        {
-            messageBuffer.append( " [" );
-
-            messageBuffer.append( getFormattedTime( time ) );
-
-            messageBuffer.append( "]" );
-        }
-
-        getLogger().info( messageBuffer.toString() );
-    }
-
-    private static String getFormattedTime( long time )
-    {
-        String pattern = "s.SSS's'";
-        if ( time / 60000L > 0 )
-        {
-            pattern = "m:s" + pattern;
-            if ( time / 3600000L > 0 )
-            {
-                pattern = "H:m" + pattern;
-            }
-        }
-        DateFormat fmt = new SimpleDateFormat( pattern );
-        fmt.setTimeZone( TimeZone.getTimeZone( "UTC" ) );
-        return fmt.format( new Date( time ) );
-    }
 }

maven-embedder/src/main/java/org/apache/maven/embedder/MavenEmbedder.java

@@ -30,7 +30,6 @@ import org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout;
 import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
 import org.apache.maven.artifact.resolver.ArtifactResolutionException;
 import org.apache.maven.artifact.resolver.ArtifactResolver;
-import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
 import org.apache.maven.embedder.execution.MavenExecutionRequestPopulator;
 import org.apache.maven.embedder.writer.WriterUtils;
 import org.apache.maven.execution.DefaultMavenExecutionRequest;
@@ -209,7 +208,7 @@ public class MavenEmbedder
     throws XmlPullParserException, IOException
     {
     	Reader reader = new FileReader( file );
-    	
+
     	try
     	{
     		return readModel( reader );
@@ -319,7 +318,7 @@ public class MavenEmbedder
     protected void verifyPlugin( Plugin plugin,
                                  MavenProject project )
         throws ComponentLookupException, ArtifactResolutionException, PluginVersionResolutionException,
-        ArtifactNotFoundException, InvalidVersionSpecificationException, InvalidPluginException, PluginManagerException,
+        ArtifactNotFoundException, InvalidPluginException, PluginManagerException,
         PluginNotFoundException, PluginVersionNotFoundException
     {
         PluginManager pluginManager = (PluginManager) container.lookup( PluginManager.ROLE );
@@ -353,7 +352,7 @@ public class MavenEmbedder
      * @todo Move this sort of thing to the tail end of the project-building process
      */
     private Map findArtifactTypeHandlers( MavenProject project )
-        throws Exception
+        throws MavenEmbedderException
     {
         Map map = new HashMap();
 
@@ -363,9 +362,51 @@ public class MavenEmbedder
 
             if ( plugin.isExtensions() )
             {
-                verifyPlugin( plugin, project );
+                try
+                {
+                    verifyPlugin( plugin, project );
+                }
+                catch ( ArtifactResolutionException e )
+                {
+                    throw new PluginLookupException( plugin, "Error resolving plugin.", e );
+                }
+                catch ( ArtifactNotFoundException e )
+                {
+                    throw new PluginLookupException( plugin, "Error resolving plugin.", e );
+                }
+                catch ( PluginNotFoundException e )
+                {
+                    throw new PluginLookupException( plugin, "Error resolving plugin.", e );
+                }
+                catch ( ComponentLookupException e )
+                {
+                    throw new PluginLookupException( plugin, "Error resolving plugin.", e );
+                }
+                catch ( PluginVersionResolutionException e )
+                {
+                    throw new PluginLookupException( plugin, "Error resolving plugin.", e );
+                }
+                catch ( InvalidPluginException e )
+                {
+                    throw new PluginLookupException( plugin, "Error resolving plugin.", e );
+                }
+                catch ( PluginManagerException e )
+                {
+                    throw new PluginLookupException( plugin, "Error resolving plugin.", e );
+                }
+                catch ( PluginVersionNotFoundException e )
+                {
+                    throw new PluginLookupException( plugin, "Error resolving plugin.", e );
+                }
 
-                map.putAll( getPluginExtensionComponents( plugin ) );
+                try
+                {
+                    map.putAll( getPluginExtensionComponents( plugin ) );
+                }
+                catch ( PluginManagerException e )
+                {
+                    throw new PluginLookupException( plugin, "Error looking up plugin components.", e );
+                }
 
                 // shudder...
                 for ( Iterator j = map.values().iterator(); j.hasNext(); )
@@ -425,9 +466,13 @@ public class MavenEmbedder
 
             artifactHandlerManager.addHandlers( handlers );
         }
-        catch ( Exception e )
+        catch ( MavenEmbedderException e )
         {
-            return result.addException( e );
+            return result.addUnknownException( e );
+        }
+        catch ( ProjectBuildingException e )
+        {
+            return result.addProjectBuildingException( e );
         }
 
         ReactorManager reactorManager = maven.createReactorManager( request, result );
@@ -448,7 +493,7 @@ public class MavenEmbedder
         }
         catch ( ProjectBuildingException e )
         {
-            result.addException( e );
+            return result.addProjectBuildingException( e );
         }
 
         if ( reactorManager.hasMultipleProjects() )
@@ -555,15 +600,15 @@ public class MavenEmbedder
     // ----------------------------------------------------------------------
     //  LegacyLifecycle
     // ----------------------------------------------------------------------
-    
+
     private MavenExecutionRequest request;
 
     private void start( Configuration configuration )
         throws MavenEmbedderException
     {
-        this.classWorld = configuration.getClassWorld();
+        classWorld = configuration.getClassWorld();
 
-        this.logger = configuration.getMavenEmbedderLogger();
+        logger = configuration.getMavenEmbedderLogger();
 
         // ----------------------------------------------------------------------------
         // Don't override any existing SecurityManager if one has been installed. Our
@@ -572,7 +617,7 @@ public class MavenEmbedder
 
         try
         {
-            if ( System.getSecurityManager() == null && activateSystemManager )
+            if ( ( System.getSecurityManager() == null ) && activateSystemManager )
             {
                 System.setSecurityManager( new MavenEmbedderSecurityManager() );
             }
@@ -812,7 +857,7 @@ public class MavenEmbedder
             {
                 MavenExecutionResult result = new DefaultMavenExecutionResult();
 
-                result.addException( e );
+                result.addUnknownException( e );
 
                 return result;
             }

maven-embedder/src/main/java/org/apache/maven/embedder/PluginLookupException.java

@@ -0,0 +1,23 @@
+package org.apache.maven.embedder;
+
+import org.apache.maven.model.Plugin;
+
+public class PluginLookupException
+    extends MavenEmbedderException
+{
+
+    private final Plugin plugin;
+
+    public PluginLookupException( Plugin plugin, String message,
+                                  Throwable cause )
+    {
+        super( message, cause );
+        this.plugin = plugin;
+    }
+
+    public Plugin getPlugin()
+    {
+        return plugin;
+    }
+
+}

maven-embedder/src/test/java/org/apache/maven/cli/CLIReportingUtilsTest.java

@@ -0,0 +1,136 @@
+package org.apache.maven.cli;
+
+import org.apache.maven.BuildFailureException;
+import org.apache.maven.ProjectBuildFailureException;
+import org.apache.maven.execution.DefaultMavenExecutionRequest;
+import org.apache.maven.execution.DefaultMavenExecutionResult;
+import org.apache.maven.execution.MavenExecutionRequest;
+import org.apache.maven.execution.MavenExecutionResult;
+import org.apache.maven.execution.ReactorManager;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.model.Dependency;
+import org.apache.maven.model.Model;
+import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.project.DuplicateProjectException;
+import org.apache.maven.project.InvalidProjectModelException;
+import org.apache.maven.project.MavenProject;
+import org.apache.maven.project.validation.ModelValidationResult;
+import org.codehaus.plexus.util.dag.CycleDetectedException;
+
+import java.util.Collections;
+import java.util.Date;
+import java.util.Iterator;
+import java.util.List;
+
+import junit.framework.TestCase;
+
+public class CLIReportingUtilsTest
+    extends TestCase
+{
+
+    private TestEmbedderLogger logger = new TestEmbedderLogger();
+
+    public void test_logResult_ShowLongMessageForMojoFailureException()
+        throws CycleDetectedException, DuplicateProjectException
+    {
+        String longMessage = "This is a longer message.";
+
+        MojoFailureException e = new MojoFailureException( "test-id", "Short Message", longMessage );
+
+        MojoBinding binding = new MojoBinding();
+        binding.setGroupId( "plugin.group" );
+        binding.setArtifactId( "plugin-artifact" );
+        binding.setVersion( "10" );
+
+        BuildFailureException buildError = new ProjectBuildFailureException( "test:project:1", binding, e );
+
+        MavenExecutionRequest request = new DefaultMavenExecutionRequest();
+        MavenExecutionResult result = new DefaultMavenExecutionResult();
+
+        request.setStartTime( new Date() );
+
+        MavenProject project = createProject( "test", "project", "1" );
+
+        ReactorManager reactorManager = new ReactorManager( Collections.singletonList( project ),
+                                                            ReactorManager.FAIL_FAST );
+        reactorManager.registerBuildFailure( project, e, "task", 0 );
+
+        result.setReactorManager( reactorManager );
+        result.addBuildFailureException( buildError );
+
+        CLIReportingUtils.logResult( request, result, logger );
+        assertPresent( longMessage, logger.getErrorMessages() );
+    }
+
+    public void test_logResult_ShowReasonableMessageForInvalidProject()
+        throws CycleDetectedException, DuplicateProjectException
+    {
+        String validationMessage = "dependencies.dependency.version is required";
+
+        ModelValidationResult results = new ModelValidationResult();
+        results.addMessage( validationMessage );
+
+        String projectId = "test:project";
+        String projectPath = "/path/to/somewhere";
+        String message = "message";
+
+        InvalidProjectModelException e = new InvalidProjectModelException( projectId, projectPath, message, results );
+
+        MavenExecutionRequest request = new DefaultMavenExecutionRequest();
+        MavenExecutionResult result = new DefaultMavenExecutionResult();
+
+        request.setStartTime( new Date() );
+
+        MavenProject project = createProject( "test", "project", "1" );
+
+        Dependency dep = new Dependency();
+        dep.setGroupId( "test" );
+        dep.setArtifactId( "dep" );
+
+        project.getModel().addDependency( dep );
+
+        ReactorManager reactorManager = new ReactorManager( Collections.singletonList( project ),
+                                                            ReactorManager.FAIL_FAST );
+        reactorManager.registerBuildFailure( project, e, "task", 0 );
+
+        result.setReactorManager( reactorManager );
+        result.addProjectBuildingException( e );
+
+        CLIReportingUtils.logResult( request, result, logger );
+        assertPresent( projectId, logger.getErrorMessages() );
+        assertPresent( projectPath, logger.getErrorMessages() );
+        assertPresent( message, logger.getErrorMessages() );
+        assertPresent( validationMessage, logger.getErrorMessages() );
+    }
+
+    private MavenProject createProject( String groupId,
+                                        String artifactId,
+                                        String version )
+    {
+        Model model = new Model();
+        model.setGroupId( groupId );
+        model.setArtifactId( artifactId );
+        model.setVersion( version );
+
+        return new MavenProject( model );
+    }
+
+    private void assertPresent( String message,
+                                List messages )
+    {
+        for ( Iterator it = messages.iterator(); it.hasNext(); )
+        {
+            String entry = (String) it.next();
+
+            if ( entry.indexOf( message ) > -1 )
+            {
+                return;
+            }
+        }
+
+        fail( "Message not found in output: \'" + message + "\'" );
+        assertTrue( "Message: \'" + message + "\' is missing in output.",
+                    messages.contains( message ) );
+    }
+
+}

maven-embedder/src/test/java/org/apache/maven/cli/CLIRequestUtilsTest.java

@@ -0,0 +1,47 @@
+package org.apache.maven.cli;
+
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.ParseException;
+import org.apache.maven.execution.MavenExecutionRequest;
+
+import java.util.List;
+import java.util.Properties;
+
+import junit.framework.TestCase;
+
+public class CLIRequestUtilsTest
+    extends TestCase
+{
+
+    public void test_buildRequest_ParseCommandLineProperty()
+        throws ParseException
+    {
+        String key = "key";
+        String value = "value";
+
+        CLIManager cliManager = new CLIManager();
+
+        String[] args = {
+            "-D" + key + "=" + value
+        };
+
+        CommandLine commandLine = cliManager.parse( args );
+
+        assertTrue( commandLine.hasOption( CLIManager.SET_SYSTEM_PROPERTY ) );
+
+        System.out.println( commandLine.getOptionValue( CLIManager.SET_SYSTEM_PROPERTY ) );
+        System.out.println( commandLine.getArgList() );
+
+        assertEquals( 1, commandLine.getOptionValues( CLIManager.SET_SYSTEM_PROPERTY ).length );
+
+        MavenExecutionRequest request = CLIRequestUtils.buildRequest( commandLine, false, false, false );
+
+        Properties execProperties = request.getProperties();
+
+        assertEquals( value, execProperties.getProperty( key ) );
+
+        List goals = request.getGoals();
+        assertTrue( ( goals == null ) || goals.isEmpty() );
+    }
+
+}

maven-embedder/src/test/java/org/apache/maven/cli/TestEmbedderLogger.java

@@ -0,0 +1,134 @@
+package org.apache.maven.cli;
+
+import org.apache.maven.embedder.AbstractMavenEmbedderLogger;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class TestEmbedderLogger
+    extends AbstractMavenEmbedderLogger
+{
+
+    private List debugMessages = new ArrayList();
+
+    private List errorMessages = new ArrayList();
+
+    private List fatalErrorMessages = new ArrayList();
+
+    private List infoMessages = new ArrayList();
+
+    private List warnMessages = new ArrayList();
+
+    private List debugErrors = new ArrayList();
+
+    private List errors = new ArrayList();
+
+    private List fatalErrors = new ArrayList();
+
+    private List infoErrors = new ArrayList();
+
+    private List warnErrors = new ArrayList();
+
+    public void close()
+    {
+    }
+
+    public void debug( String message,
+                       Throwable throwable )
+    {
+        log( "[debug] ", message, throwable, debugMessages, debugErrors );
+    }
+
+    private void log( String header,
+                      String message, Throwable throwable,
+                      List messages,
+                      List errors )
+    {
+        if ( message != null )
+        {
+            messages.add( message );
+            System.out.println( header + message );
+        }
+
+        if ( throwable != null )
+        {
+            errors.add( throwable );
+            throwable.printStackTrace( System.out );
+        }
+    }
+
+    public void error( String message,
+                       Throwable throwable )
+    {
+        log( "[error] ", message, throwable, errorMessages, errors );
+    }
+
+    public void fatalError( String message,
+                            Throwable throwable )
+    {
+        log( "[fatal] ", message, throwable, fatalErrorMessages, fatalErrors );
+    }
+
+    public void info( String message,
+                      Throwable throwable )
+    {
+        log( "[info] ", message, throwable, infoMessages, infoErrors );
+    }
+
+    public void warn( String message,
+                      Throwable throwable )
+    {
+        log( "[warn] ", message, throwable, warnMessages, warnErrors );
+    }
+
+    public List getDebugMessages()
+    {
+        return debugMessages;
+    }
+
+    public List getErrorMessages()
+    {
+        return errorMessages;
+    }
+
+    public List getFatalErrorMessages()
+    {
+        return fatalErrorMessages;
+    }
+
+    public List getInfoMessages()
+    {
+        return infoMessages;
+    }
+
+    public List getWarnMessages()
+    {
+        return warnMessages;
+    }
+
+    public List getDebugErrors()
+    {
+        return debugErrors;
+    }
+
+    public List getErrorErrors()
+    {
+        return errors;
+    }
+
+    public List getFatalErrors()
+    {
+        return fatalErrors;
+    }
+
+    public List getInfoErrors()
+    {
+        return infoErrors;
+    }
+
+    public List getWarnErrors()
+    {
+        return warnErrors;
+    }
+
+}

maven-project/src/main/java/org/apache/maven/DefaultMavenTools.java

@@ -19,21 +19,13 @@ package org.apache.maven;
  * under the License.
  */
 
-import org.apache.maven.artifact.InvalidRepositoryException;
+import org.apache.maven.artifact.UnknownRepositoryLayoutException;
 import org.apache.maven.artifact.repository.ArtifactRepository;
 import org.apache.maven.artifact.repository.ArtifactRepositoryFactory;
 import org.apache.maven.artifact.repository.ArtifactRepositoryPolicy;
-import org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout;
 import org.apache.maven.model.DeploymentRepository;
 import org.apache.maven.model.Repository;
-import org.apache.maven.model.RepositoryBase;
 import org.apache.maven.model.RepositoryPolicy;
-import org.codehaus.plexus.PlexusConstants;
-import org.codehaus.plexus.PlexusContainer;
-import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
-import org.codehaus.plexus.context.Context;
-import org.codehaus.plexus.context.ContextException;
-import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable;
 
 import java.util.ArrayList;
 import java.util.Iterator;
@@ -41,21 +33,17 @@ import java.util.List;
 
 /** @author Jason van Zyl */
 public class DefaultMavenTools
-    implements MavenTools, Contextualizable
+    implements MavenTools
 {
-    private ArtifactRepositoryLayout repositoryLayout;
-
     private ArtifactRepositoryFactory artifactRepositoryFactory;
 
-    private PlexusContainer container;
-
     // ----------------------------------------------------------------------------
     // Code snagged from ProjectUtils: this will have to be moved somewhere else
     // but just trying to collect it all in one place right now.
     // ----------------------------------------------------------------------------
 
     public List buildArtifactRepositories( List repositories )
-        throws InvalidRepositoryException
+        throws UnknownRepositoryLayoutException
     {
         List repos = new ArrayList();
 
@@ -74,17 +62,14 @@ public class DefaultMavenTools
     }
 
     public ArtifactRepository buildDeploymentArtifactRepository( DeploymentRepository repo )
-        throws InvalidRepositoryException
+        throws UnknownRepositoryLayoutException
     {
         if ( repo != null )
         {
             String id = repo.getId();
             String url = repo.getUrl();
 
-            // TODO: make this a map inside the factory instead, so no lookup needed
-            ArtifactRepositoryLayout layout = getRepositoryLayout( repo );
-
-            return artifactRepositoryFactory.createDeploymentArtifactRepository( id, url, layout,
+            return artifactRepositoryFactory.createDeploymentArtifactRepository( id, url, repo.getLayout(),
                                                                                  repo.isUniqueVersion() );
         }
         else
@@ -94,21 +79,18 @@ public class DefaultMavenTools
     }
 
     public ArtifactRepository buildArtifactRepository( Repository repo )
-        throws InvalidRepositoryException
+        throws UnknownRepositoryLayoutException
     {
         if ( repo != null )
         {
             String id = repo.getId();
             String url = repo.getUrl();
 
-            // TODO: make this a map inside the factory instead, so no lookup needed
-            ArtifactRepositoryLayout layout = getRepositoryLayout( repo );
-
             ArtifactRepositoryPolicy snapshots = buildArtifactRepositoryPolicy( repo.getSnapshots() );
 
             ArtifactRepositoryPolicy releases = buildArtifactRepositoryPolicy( repo.getReleases() );
 
-            return artifactRepositoryFactory.createArtifactRepository( id, url, layout, snapshots, releases );
+            return artifactRepositoryFactory.createArtifactRepository( id, url, repo.getLayout(), snapshots, releases );
         }
         else
         {
@@ -140,32 +122,4 @@ public class DefaultMavenTools
 
         return new ArtifactRepositoryPolicy( enabled, updatePolicy, checksumPolicy );
     }
-
-    private ArtifactRepositoryLayout getRepositoryLayout( RepositoryBase mavenRepo )
-        throws InvalidRepositoryException
-    {
-        String layout = mavenRepo.getLayout();
-
-        ArtifactRepositoryLayout repositoryLayout;
-        try
-        {
-            repositoryLayout = (ArtifactRepositoryLayout) container.lookup( ArtifactRepositoryLayout.ROLE, layout );
-        }
-        catch ( ComponentLookupException e )
-        {
-            throw new InvalidRepositoryException( "Cannot find layout implementation corresponding to: \'" + layout +
-                "\' for remote repository with id: \'" + mavenRepo.getId() + "\'.", e );
-        }
-        return repositoryLayout;
-    }
-
-    // ----------------------------------------------------------------------------
-    // Lifecycle
-    // ----------------------------------------------------------------------------
-
-    public void contextualize( Context context )
-        throws ContextException
-    {
-        container = (PlexusContainer) context.get( PlexusConstants.PLEXUS_KEY );
-    }
 }

maven-project/src/main/java/org/apache/maven/MavenTools.java

@@ -19,7 +19,7 @@ package org.apache.maven;
  * under the License.
  */
 
-import org.apache.maven.artifact.InvalidRepositoryException;
+import org.apache.maven.artifact.UnknownRepositoryLayoutException;
 import org.apache.maven.artifact.repository.ArtifactRepository;
 import org.apache.maven.model.DeploymentRepository;
 import org.apache.maven.model.Repository;
@@ -38,11 +38,11 @@ public interface MavenTools
     // ----------------------------------------------------------------------------
 
     List buildArtifactRepositories( List repositories )
-        throws InvalidRepositoryException;
+        throws UnknownRepositoryLayoutException;
 
     ArtifactRepository buildDeploymentArtifactRepository( DeploymentRepository repo )
-        throws InvalidRepositoryException;
+        throws UnknownRepositoryLayoutException;
 
     ArtifactRepository buildArtifactRepository( Repository repo )
-        throws InvalidRepositoryException;
+        throws UnknownRepositoryLayoutException;
 }

maven-project/src/main/java/org/apache/maven/profiles/build/DefaultProfileAdvisor.java

@@ -62,12 +62,12 @@ public class DefaultProfileAdvisor
 
     private PlexusContainer container;
 
-    public List applyActivatedProfiles( Model model, File projectDir, List explicitlyActiveIds, List explicitlyInactiveIds )
+    public List applyActivatedProfiles( Model model, File pomFile, List explicitlyActiveIds, List explicitlyInactiveIds )
         throws ProjectBuildingException
     {
-        ProfileManager profileManager = buildProfileManager( model, projectDir, explicitlyActiveIds, explicitlyInactiveIds );
+        ProfileManager profileManager = buildProfileManager( model, pomFile, explicitlyActiveIds, explicitlyInactiveIds );
 
-        return applyActivatedProfiles( model, projectDir, profileManager );
+        return applyActivatedProfiles( model, pomFile, profileManager );
     }
 
     public List applyActivatedExternalProfiles( Model model, File projectDir, ProfileManager externalProfileManager )
@@ -76,7 +76,7 @@ public class DefaultProfileAdvisor
         return applyActivatedProfiles( model, projectDir, externalProfileManager );
     }
 
-    private List applyActivatedProfiles( Model model, File projectDir, ProfileManager profileManager )
+    private List applyActivatedProfiles( Model model, File pomFile, ProfileManager profileManager )
         throws ProjectBuildingException
     {
         List activeProfiles;
@@ -103,7 +103,7 @@ public class DefaultProfileAdvisor
 
                 String projectId = ArtifactUtils.versionlessKey( groupId, artifactId );
 
-                throw new ProjectBuildingException( projectId, e.getMessage(), e );
+                throw new ProjectBuildingException( projectId, e.getMessage(), pomFile.getAbsolutePath(), e );
             }
 
             for ( Iterator it = activeProfiles.iterator(); it.hasNext(); )
@@ -121,7 +121,7 @@ public class DefaultProfileAdvisor
         return activeProfiles;
     }
 
-    private ProfileManager buildProfileManager( Model model, File projectDir, List explicitlyActiveIds, List explicitlyInactiveIds )
+    private ProfileManager buildProfileManager( Model model, File pomFile, List explicitlyActiveIds, List explicitlyInactiveIds )
         throws ProjectBuildingException
     {
         ProfileManager profileManager = new DefaultProfileManager( container );
@@ -132,15 +132,20 @@ public class DefaultProfileAdvisor
 
         profileManager.addProfiles( model.getProfiles() );
 
-        if ( projectDir != null )
+        if ( pomFile != null )
         {
-            loadExternalProjectProfiles( profileManager, model, projectDir );
+            File projectDir = pomFile.getParentFile();
+            if ( projectDir != null )
+            {
+                loadExternalProjectProfiles( profileManager, model, projectDir );
+            }
         }
 
         return profileManager;
     }
 
     public LinkedHashSet getArtifactRepositoriesFromActiveProfiles( ProfileManager profileManager,
+                                                                    File pomFile,
                                                                     String modelId )
         throws ProjectBuildingException
     {
@@ -159,7 +164,7 @@ public class DefaultProfileAdvisor
             catch ( ProfileActivationException e )
             {
                 throw new ProjectBuildingException( modelId,
-                                                    "Failed to compute active profiles for repository aggregation.", e );
+                                                    "Failed to compute active profiles for repository aggregation.", pomFile.getAbsolutePath(), e );
             }
 
             LinkedHashSet remoteRepositories = new LinkedHashSet();
@@ -190,20 +195,21 @@ public class DefaultProfileAdvisor
         }
     }
 
-    public LinkedHashSet getArtifactRepositoriesFromActiveProfiles( Model model, File projectDir,
+    public LinkedHashSet getArtifactRepositoriesFromActiveProfiles( Model model, File pomFile,
                                                                     List explicitlyActiveIds, List explicitlyInactiveIds )
         throws ProjectBuildingException
     {
-        ProfileManager profileManager = buildProfileManager( model, projectDir, explicitlyActiveIds, explicitlyInactiveIds );
+        ProfileManager profileManager = buildProfileManager( model, pomFile, explicitlyActiveIds, explicitlyInactiveIds );
 
-        return getArtifactRepositoriesFromActiveProfiles( profileManager, model.getId() );
+        return getArtifactRepositoriesFromActiveProfiles( profileManager, pomFile, model.getId() );
     }
 
-    private void loadExternalProjectProfiles( ProfileManager profileManager, Model model, File projectDir )
+    private void loadExternalProjectProfiles( ProfileManager profileManager, Model model, File pomFile )
         throws ProjectBuildingException
     {
-        if ( projectDir != null )
+        if ( pomFile != null )
         {
+            File projectDir = pomFile.getParentFile();
             try
             {
                 ProfilesRoot root = profilesBuilder.buildProfiles( projectDir );
@@ -230,13 +236,13 @@ public class DefaultProfileAdvisor
             catch ( IOException e )
             {
                 throw new ProjectBuildingException( model.getId(), "Cannot read profiles.xml resource from directory: "
-                    + projectDir, e );
+                    + projectDir, pomFile.getAbsolutePath(), e );
             }
             catch ( XmlPullParserException e )
             {
                 throw new ProjectBuildingException( model.getId(),
                                                     "Cannot parse profiles.xml resource from directory: " + projectDir,
-                                                    e );
+                                                    pomFile.getAbsolutePath(), e );
             }
         }
     }

maven-project/src/main/java/org/apache/maven/profiles/build/ProfileAdvisor.java

@@ -37,16 +37,16 @@ public interface ProfileAdvisor
 
     String ROLE = ProfileAdvisor.class.getName();
 
-    LinkedHashSet getArtifactRepositoriesFromActiveProfiles( ProfileManager profileManager, String modelId )
+    LinkedHashSet getArtifactRepositoriesFromActiveProfiles( ProfileManager profileManager, File pomFile, String modelId )
         throws ProjectBuildingException;
 
-    LinkedHashSet getArtifactRepositoriesFromActiveProfiles( Model model, File projectDir, List explicitlyActiveIds, List explicitlyInactiveIds )
+    LinkedHashSet getArtifactRepositoriesFromActiveProfiles( Model model, File pomFile, List explicitlyActiveIds, List explicitlyInactiveIds )
         throws ProjectBuildingException;
 
-    List applyActivatedProfiles( Model model, File projectDir, List explicitlyActiveIds, List explicitlyInactiveIds )
+    List applyActivatedProfiles( Model model, File pomFile, List explicitlyActiveIds, List explicitlyInactiveIds )
         throws ProjectBuildingException;
 
-    List applyActivatedExternalProfiles( Model model, File projectDir, ProfileManager externalProfileManager )
+    List applyActivatedExternalProfiles( Model model, File pomFile, ProfileManager externalProfileManager )
         throws ProjectBuildingException;
 
 }

maven-project/src/main/java/org/apache/maven/project/DefaultMavenProjectBuilder.java

@@ -66,13 +66,7 @@ import org.apache.maven.project.interpolation.ModelInterpolator;
 import org.apache.maven.project.path.PathTranslator;
 import org.apache.maven.project.validation.ModelValidationResult;
 import org.apache.maven.project.validation.ModelValidator;
-import org.codehaus.plexus.PlexusConstants;
-import org.codehaus.plexus.PlexusContainer;
-import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
-import org.codehaus.plexus.context.Context;
-import org.codehaus.plexus.context.ContextException;
 import org.codehaus.plexus.logging.AbstractLogEnabled;
-import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable;
 import org.codehaus.plexus.personality.plexus.lifecycle.phase.Initializable;
 import org.codehaus.plexus.util.IOUtil;
 import org.codehaus.plexus.util.StringUtils;
@@ -140,11 +134,8 @@ Notes
 public class DefaultMavenProjectBuilder
     extends AbstractLogEnabled
     implements MavenProjectBuilder,
-    Initializable,
-    Contextualizable
+    Initializable
 {
-    protected PlexusContainer container;
-
     protected MavenProfilesBuilder profilesBuilder;
 
     protected ArtifactResolver artifactResolver;
@@ -229,9 +220,9 @@ public class DefaultMavenProjectBuilder
     public MavenProject buildStandaloneSuperProject()
         throws ProjectBuildingException
     {
-        if ( this.superProject != null )
+        if ( superProject != null )
         {
-            return this.superProject;
+            return superProject;
         }
 
         Model superModel = getSuperModel();
@@ -252,7 +243,12 @@ public class DefaultMavenProjectBuilder
         }
         catch ( InvalidRepositoryException e )
         {
-            // This will never happen with the repositories in the SuperPOM
+            // we shouldn't be swallowing exceptions, no matter how unlikely.
+            // or, if we do, we should pay attention to the one coming from getSuperModel()...
+            throw new ProjectBuildingException( STANDALONE_SUPERPOM_GROUPID + ":"
+                                                + STANDALONE_SUPERPOM_ARTIFACTID,
+                                                "Maven super-POM contains an invalid repository!",
+                                                e );
         }
 
         superProject.setOriginalModel( superModel );
@@ -288,8 +284,6 @@ public class DefaultMavenProjectBuilder
 
         Map managedVersions = project.getManagedVersionMap();
 
-        ensureMetadataSourceIsInitialized();
-
         try
         {
             project.setDependencyArtifacts( project.createArtifacts( artifactFactory, null, null ) );
@@ -298,7 +292,7 @@ public class DefaultMavenProjectBuilder
         {
             throw new ProjectBuildingException( projectId,
                 "Unable to build project due to an invalid dependency version: " +
-                    e.getMessage(), e );
+                    e.getMessage(), projectDescriptor.getAbsolutePath(), e );
         }
 
         ArtifactResolutionRequest request = new ArtifactResolutionRequest()
@@ -320,25 +314,8 @@ public class DefaultMavenProjectBuilder
     //
     // ----------------------------------------------------------------------
 
-    private void ensureMetadataSourceIsInitialized()
-        throws ProjectBuildingException
-    {
-        if ( artifactMetadataSource == null )
-        {
-            try
-            {
-                artifactMetadataSource = (ArtifactMetadataSource) container.lookup( ArtifactMetadataSource.ROLE );
-            }
-            catch ( ComponentLookupException e )
-            {
-                throw new ProjectBuildingException( "all", "Cannot lookup metadata source for building the project.",
-                    e );
-            }
-        }
-    }
-
     private Map createManagedVersionMap( String projectId,
-                                         DependencyManagement dependencyManagement )
+                                         DependencyManagement dependencyManagement, File pomFile )
         throws ProjectBuildingException
     {
         Map map = null;
@@ -397,7 +374,7 @@ public class DefaultMavenProjectBuilder
                 catch ( InvalidVersionSpecificationException e )
                 {
                     throw new ProjectBuildingException( projectId, "Unable to parse version '" + d.getVersion() +
-                        "' for dependency '" + d.getManagementKey() + "': " + e.getMessage(), e );
+                        "' for dependency '" + d.getManagementKey() + "': " + e.getMessage(), pomFile.getAbsolutePath(), e );
                 }
             }
         }
@@ -560,13 +537,6 @@ public class DefaultMavenProjectBuilder
                                         boolean strict )
         throws ProjectBuildingException
     {
-        File projectDir = null;
-
-        if ( projectDescriptor != null )
-        {
-            projectDir = projectDescriptor.getAbsoluteFile().getParentFile();
-        }
-
         Model superModel = getSuperModel();
 
         MavenProject superProject = new MavenProject( superModel );
@@ -586,7 +556,7 @@ public class DefaultMavenProjectBuilder
             }
             catch ( ProfileActivationException e )
             {
-                throw new ProjectBuildingException( projectId, "Failed to activate external profiles.", e );
+                throw new ProjectBuildingException( projectId, "Failed to activate external profiles.", projectDescriptor.getAbsolutePath(), e );
             }
 
             explicitlyActive = externalProfileManager.getExplicitlyActivatedIds();
@@ -600,14 +570,14 @@ public class DefaultMavenProjectBuilder
             explicitlyInactive = Collections.EMPTY_LIST;
         }
 
-        superProject.setActiveProfiles( profileAdvisor.applyActivatedProfiles( superModel, null, explicitlyActive, explicitlyInactive ) );
+        superProject.setActiveProfiles( profileAdvisor.applyActivatedProfiles( superModel, projectDescriptor, explicitlyActive, explicitlyInactive ) );
 
         //noinspection CollectionDeclaredAsConcreteClass
         LinkedList lineage = new LinkedList();
 
         LinkedHashSet aggregatedRemoteWagonRepositories = collectInitialRepositories( model, superModel,
             parentSearchRepositories,
-            projectDir, explicitlyActive,
+            projectDescriptor, explicitlyActive,
             explicitlyInactive );
 
         Model originalModel = ModelUtils.cloneModel( model );
@@ -616,7 +586,7 @@ public class DefaultMavenProjectBuilder
 
         try
         {
-            project = assembleLineage( model, lineage, localRepository, projectDir, aggregatedRemoteWagonRepositories, externalProfileManager, strict );
+            project = assembleLineage( model, lineage, localRepository, projectDescriptor, aggregatedRemoteWagonRepositories, externalProfileManager, strict );
         }
         catch ( InvalidRepositoryException e )
         {
@@ -672,7 +642,7 @@ public class DefaultMavenProjectBuilder
 
         try
         {
-            project = processProjectLogic( pomLocation, project, projectDir, strict );
+            project = processProjectLogic( pomLocation, project, projectDescriptor, strict );
         }
         catch ( ModelInterpolationException e )
         {
@@ -718,7 +688,7 @@ public class DefaultMavenProjectBuilder
             }
         }
 
-        project.setManagedVersionMap( createManagedVersionMap( projectId, project.getDependencyManagement() ) );
+        project.setManagedVersionMap( createManagedVersionMap( projectId, project.getDependencyManagement(), projectDescriptor ) );
 
         return project;
     }
@@ -735,16 +705,16 @@ public class DefaultMavenProjectBuilder
     private LinkedHashSet collectInitialRepositories( Model model,
                                                       Model superModel,
                                                       List parentSearchRepositories,
-                                                      File projectDir,
+                                                      File pomFile,
                                                       List explicitlyActive,
                                                       List explicitlyInactive )
         throws ProjectBuildingException
     {
         LinkedHashSet collected = new LinkedHashSet();
 
-        collectInitialRepositoriesFromModel( collected, model, projectDir, explicitlyActive, explicitlyInactive );
+        collectInitialRepositoriesFromModel( collected, model, pomFile, explicitlyActive, explicitlyInactive );
 
-        collectInitialRepositoriesFromModel( collected, superModel, projectDir, explicitlyActive, explicitlyInactive );
+        collectInitialRepositoriesFromModel( collected, superModel, null, explicitlyActive, explicitlyInactive );
 
         if ( ( parentSearchRepositories != null ) && !parentSearchRepositories.isEmpty() )
         {
@@ -756,12 +726,12 @@ public class DefaultMavenProjectBuilder
 
     private void collectInitialRepositoriesFromModel( LinkedHashSet collected,
                                                       Model model,
-                                                      File projectDir,
+                                                      File pomFile,
                                                       List explicitlyActive,
                                                       List explicitlyInactive )
         throws ProjectBuildingException
     {
-        Set reposFromProfiles = profileAdvisor.getArtifactRepositoriesFromActiveProfiles( model, projectDir, explicitlyActive, explicitlyInactive );
+        Set reposFromProfiles = profileAdvisor.getArtifactRepositoriesFromActiveProfiles( model, pomFile, explicitlyActive, explicitlyInactive );
 
         if ( ( reposFromProfiles != null ) && !reposFromProfiles.isEmpty() )
         {
@@ -829,7 +799,7 @@ public class DefaultMavenProjectBuilder
      */
     private MavenProject processProjectLogic( String pomLocation,
                                               MavenProject project,
-                                              File projectDir,
+                                              File pomFile,
                                               boolean strict )
         throws ProjectBuildingException, ModelInterpolationException, InvalidRepositoryException
     {
@@ -843,9 +813,9 @@ public class DefaultMavenProjectBuilder
         // mkleint - using System.getProperties() is almost definitely bad for embedding.
         Map context = new HashMap( System.getProperties() );
 
-        if ( projectDir != null )
+        if ( pomFile != null )
         {
-            context.put( "basedir", projectDir.getAbsolutePath() );
+            context.put( "basedir", pomFile.getParentFile().getAbsolutePath() );
         }
 
         // TODO: this is a hack to ensure MNG-2124 can be satisfied without triggering MNG-1927
@@ -919,11 +889,11 @@ public class DefaultMavenProjectBuilder
             mavenTools.buildArtifactRepositories( model.getRepositories() ) );
 
         // TODO: these aren't taking active project artifacts into consideration in the reactor
-        project.setPluginArtifacts( createPluginArtifacts( projectId, project.getBuildPlugins() ) );
+        project.setPluginArtifacts( createPluginArtifacts( projectId, project.getBuildPlugins(), pomLocation ) );
 
-        project.setReportArtifacts( createReportArtifacts( projectId, project.getReportPlugins() ) );
+        project.setReportArtifacts( createReportArtifacts( projectId, project.getReportPlugins(), pomLocation ) );
 
-        project.setExtensionArtifacts( createExtensionArtifacts( projectId, project.getBuildExtensions() ) );
+        project.setExtensionArtifacts( createExtensionArtifacts( projectId, project.getBuildExtensions(), pomLocation ) );
 
         return project;
     }
@@ -936,7 +906,7 @@ public class DefaultMavenProjectBuilder
     private MavenProject assembleLineage( Model model,
                                           LinkedList lineage,
                                           ArtifactRepository localRepository,
-                                          File projectDir,
+                                          File pomFile,
                                           Set aggregatedRemoteWagonRepositories,
                                           ProfileManager externalProfileManager,
                                           boolean strict )
@@ -944,7 +914,7 @@ public class DefaultMavenProjectBuilder
     {
         ModelLineage modelLineage = new DefaultModelLineage();
 
-        modelLineage.setOrigin( model, new File( projectDir, "pom.xml" ), new ArrayList( aggregatedRemoteWagonRepositories ) );
+        modelLineage.setOrigin( model, pomFile, new ArrayList( aggregatedRemoteWagonRepositories ) );
 
         modelLineageBuilder.resumeBuildingModelLineage( modelLineage, localRepository, externalProfileManager, !strict );
 
@@ -983,7 +953,7 @@ public class DefaultMavenProjectBuilder
             projectContext.setCurrentProject( project );
             projectContext.store( buildContextManager );
 
-            project.setActiveProfiles( profileAdvisor.applyActivatedProfiles( currentModel, projectDir, explicitlyActive,
+            project.setActiveProfiles( profileAdvisor.applyActivatedProfiles( currentModel, currentPom, explicitlyActive,
                 explicitlyInactive ) );
 
             if ( lastProject != null )
@@ -1011,7 +981,7 @@ public class DefaultMavenProjectBuilder
                 active.addAll( existingActiveProfiles );
             }
 
-            profileAdvisor.applyActivatedExternalProfiles( result.getModel(), projectDir, externalProfileManager );
+            profileAdvisor.applyActivatedExternalProfiles( result.getModel(), pomFile, externalProfileManager );
         }
 
         return result;
@@ -1031,12 +1001,12 @@ public class DefaultMavenProjectBuilder
         catch ( FileNotFoundException e )
         {
             throw new ProjectBuildingException( projectId,
-                "Could not find the model file '" + file.getAbsolutePath() + "'.", e );
+                "Could not find the model file '" + file.getAbsolutePath() + "'.", file.getAbsolutePath(), e );
         }
         catch ( IOException e )
         {
             throw new ProjectBuildingException( projectId, "Failed to build model from file '" +
-                file.getAbsolutePath() + "'.\nError: \'" + e.getLocalizedMessage() + "\'", e );
+                file.getAbsolutePath() + "'.\nError: \'" + e.getLocalizedMessage() + "\'", file.getAbsolutePath(), e );
         }
         finally
         {
@@ -1088,7 +1058,7 @@ public class DefaultMavenProjectBuilder
         catch ( IOException e )
         {
             throw new ProjectBuildingException( projectId, "Failed build model from URL \'" + url.toExternalForm() +
-                "\'\nError: \'" + e.getLocalizedMessage() + "\'", e );
+                "\'\nError: \'" + e.getLocalizedMessage() + "\'", url.toExternalForm(), e );
         }
         finally
         {
@@ -1096,15 +1066,8 @@ public class DefaultMavenProjectBuilder
         }
     }
 
-    private static String createCacheKey( String groupId,
-                                          String artifactId,
-                                          String version )
-    {
-        return groupId + ":" + artifactId + ":" + version;
-    }
-
     protected Set createPluginArtifacts( String projectId,
-                                         List plugins )
+                                         List plugins, String pomLocation )
         throws ProjectBuildingException
     {
         Set pluginArtifacts = new HashSet();
@@ -1133,7 +1096,7 @@ public class DefaultMavenProjectBuilder
             {
                 throw new ProjectBuildingException( projectId, "Unable to parse version '" + version +
                     "' for plugin '" + ArtifactUtils.versionlessKey( p.getGroupId(), p.getArtifactId() ) + "': " +
-                    e.getMessage(), e );
+                    e.getMessage(), pomLocation, e );
             }
 
             if ( artifact != null )
@@ -1147,7 +1110,7 @@ public class DefaultMavenProjectBuilder
 
     // TODO: share with createPluginArtifacts?
     protected Set createReportArtifacts( String projectId,
-                                         List reports )
+                                         List reports, String pomLocation )
         throws ProjectBuildingException
     {
         Set pluginArtifacts = new HashSet();
@@ -1178,7 +1141,7 @@ public class DefaultMavenProjectBuilder
                 {
                     throw new ProjectBuildingException( projectId, "Unable to parse version '" + version +
                         "' for report '" + ArtifactUtils.versionlessKey( p.getGroupId(), p.getArtifactId() ) + "': " +
-                        e.getMessage(), e );
+                        e.getMessage(), pomLocation, e );
                 }
 
                 if ( artifact != null )
@@ -1193,7 +1156,7 @@ public class DefaultMavenProjectBuilder
 
     // TODO: share with createPluginArtifacts?
     protected Set createExtensionArtifacts( String projectId,
-                                            List extensions )
+                                            List extensions, String pomLocation )
         throws ProjectBuildingException
     {
         Set extensionArtifacts = new HashSet();
@@ -1225,7 +1188,7 @@ public class DefaultMavenProjectBuilder
                 {
                     throw new ProjectBuildingException( projectId, "Unable to parse version '" + version +
                         "' for extension '" + ArtifactUtils.versionlessKey( ext.getGroupId(), ext.getArtifactId() ) +
-                        "': " + e.getMessage(), e );
+                        "': " + e.getMessage(), pomLocation, e );
                 }
 
                 if ( artifact != null )
@@ -1251,10 +1214,4 @@ public class DefaultMavenProjectBuilder
 
         return readModel( projectId, url, STRICT_MODEL_PARSING );
     }
-
-    public void contextualize( Context context )
-        throws ContextException
-    {
-        container = (PlexusContainer) context.get( PlexusConstants.PLEXUS_KEY );
-    }
 }

maven-project/src/main/java/org/apache/maven/project/DuplicateProjectException.java

@@ -1,5 +1,6 @@
 package org.apache.maven.project;
 
+import java.io.File;
 
 /*
  * Licensed to the Apache Software Foundation (ASF) under one
@@ -22,20 +23,42 @@ package org.apache.maven.project;
 
 /**
  * Exception that occurs when the project list contains duplicate projects instead of ignoring one.
- * 
+ *
  * @author <a href="mailto:brett@apache.org">Brett Porter</a>
  * @version $Id$
  */
 public class DuplicateProjectException
     extends Exception
 {
-    public DuplicateProjectException( String message )
+    private final String projectId;
+
+    private final File existingProjectFile;
+
+    private final File conflictingProjectFile;
+
+    public DuplicateProjectException( String projectId,
+                                      File existingProjectFile,
+                                      File conflictingProjectFile,
+                                      String message )
     {
         super( message );
+        this.projectId = projectId;
+        this.existingProjectFile = existingProjectFile;
+        this.conflictingProjectFile = conflictingProjectFile;
     }
-    
-    public DuplicateProjectException( String message, Exception e )
+
+    public String getProjectId()
     {
-        super( message, e );
+        return projectId;
+    }
+
+    public File getExistingProjectFile()
+    {
+        return existingProjectFile;
+    }
+
+    public File getConflictingProjectFile()
+    {
+        return conflictingProjectFile;
     }
 }

maven-project/src/main/java/org/apache/maven/project/InvalidProjectModelException.java

@@ -19,40 +19,55 @@ package org.apache.maven.project;
  * under the License.
  */
 
+import org.apache.maven.artifact.InvalidRepositoryException;
+import org.apache.maven.project.interpolation.ModelInterpolationException;
 import org.apache.maven.project.validation.ModelValidationResult;
+import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
 
 public class InvalidProjectModelException
     extends ProjectBuildingException
 {
-    private final String pomLocation;
-
     private ModelValidationResult validationResult;
 
-    public InvalidProjectModelException( String projectId, String pomLocation, String message, Throwable cause )
+    public InvalidProjectModelException( String projectId,
+                                         String pomLocation,
+                                         String message,
+                                         ModelInterpolationException cause )
     {
-        super( projectId, message, cause );
-        this.pomLocation = pomLocation;
+        super( projectId, message, pomLocation, cause );
     }
 
-    public InvalidProjectModelException( String projectId, String pomLocation, String message,
+    public InvalidProjectModelException( String projectId,
+                                         String pomLocation,
+                                         String message,
+                                         InvalidRepositoryException cause )
+    {
+        super( projectId, message, pomLocation, cause );
+    }
+
+    public InvalidProjectModelException( String projectId,
+                                         String pomLocation,
+                                         String message,
                                          ModelValidationResult validationResult )
     {
-        super( projectId, message );
+        super( projectId, message, pomLocation );
 
-        this.pomLocation = pomLocation;
         this.validationResult = validationResult;
     }
 
-    public InvalidProjectModelException( String projectId, String pomLocation, String message )
+    public InvalidProjectModelException( String projectId,
+                                         String pomLocation,
+                                         String message )
     {
-        super( projectId, message );
-
-        this.pomLocation = pomLocation;
+        super( projectId, message, pomLocation );
     }
 
-    public final String getPomLocation()
+    public InvalidProjectModelException( String projectId,
+                                         String pomLocation,
+                                         String message,
+                                         XmlPullParserException cause )
     {
-        return pomLocation;
+        super( projectId, message, pomLocation, cause );
     }
 
     public final ModelValidationResult getValidationResult()
@@ -60,9 +75,4 @@ public class InvalidProjectModelException
         return validationResult;
     }
 
-    public String getMessage() 
-    {
-        return super.getMessage() + " at " + this.pomLocation;
-    }
-
 }

maven-project/src/main/java/org/apache/maven/project/MavenProjectBuilder.java

@@ -41,7 +41,6 @@ package org.apache.maven.project;
 import org.apache.maven.artifact.Artifact;
 import org.apache.maven.artifact.repository.ArtifactRepository;
 import org.apache.maven.profiles.ProfileManager;
-import org.apache.maven.wagon.events.TransferListener;
 
 import java.io.File;
 import java.util.List;
@@ -82,7 +81,7 @@ public interface MavenProjectBuilder
         throws ProjectBuildingException;
 
     /**
-     * 
+     *
      * @return
      * @throws ProjectBuildingException
      */

maven-project/src/main/java/org/apache/maven/project/MavenProjectBuildingResult.java

@@ -20,7 +20,6 @@ package org.apache.maven.project;
  */
 
 import org.apache.maven.artifact.resolver.ArtifactResolutionResult;
-import org.apache.maven.project.validation.ModelValidationResult;
 
 /**
  * @author Jason van Zyl

maven-project/src/main/java/org/apache/maven/project/ProjectBuildingException.java

@@ -1,5 +1,16 @@
 package org.apache.maven.project;
 
+import org.apache.maven.artifact.InvalidRepositoryException;
+import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
+import org.apache.maven.artifact.resolver.ArtifactResolutionException;
+import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
+import org.apache.maven.profiles.activation.ProfileActivationException;
+import org.apache.maven.project.artifact.InvalidDependencyVersionException;
+import org.apache.maven.project.interpolation.ModelInterpolationException;
+import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
+
+import java.io.IOException;
+
 /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
@@ -28,25 +39,160 @@ public class ProjectBuildingException
 {
     private final String projectId;
 
-    public ProjectBuildingException( String projectId, String message )
+    private String pomLocation;
+
+    public ProjectBuildingException( String projectId,
+                                     String message )
     {
         super( message );
         this.projectId = projectId;
     }
 
-    public ProjectBuildingException( String projectId, String message, Throwable cause )
+    protected ProjectBuildingException( String projectId,
+                                        String message,
+                                        String pomLocation )
+    {
+        super( message );
+        this.projectId = projectId;
+        this.pomLocation = pomLocation;
+    }
+
+    public ProjectBuildingException( String projectId,
+                                     String message,
+                                     String pomLocation,
+                                     ProfileActivationException cause )
+    {
+        super( message, cause );
+        this.projectId = projectId;
+        this.pomLocation = pomLocation;
+    }
+
+    public ProjectBuildingException( String projectId,
+                                     String message,
+                                     String pomLocation,
+                                     IOException cause )
+    {
+        super( message, cause );
+        this.projectId = projectId;
+        this.pomLocation = pomLocation;
+    }
+
+    public ProjectBuildingException( String projectId,
+                                     String message,
+                                     String pomLocation,
+                                     XmlPullParserException cause )
+    {
+        super( message, cause );
+        this.projectId = projectId;
+        this.pomLocation = pomLocation;
+    }
+
+    protected ProjectBuildingException( String projectId,
+                                     String message,
+                                     XmlPullParserException cause )
     {
         super( message, cause );
         this.projectId = projectId;
     }
-    
+
+    public ProjectBuildingException( String projectId,
+                                     String message,
+                                     String pomLocation,
+                                     InvalidRepositoryException cause )
+    {
+        super( message, cause );
+        this.projectId = projectId;
+        this.pomLocation = pomLocation;
+    }
+
+    public ProjectBuildingException( String projectId,
+                                     String message,
+                                     InvalidRepositoryException cause )
+    {
+        super( message, cause );
+        this.projectId = projectId;
+    }
+
+    public ProjectBuildingException( String projectId,
+                                     String message,
+                                     ArtifactResolutionException cause )
+    {
+        super( message, cause );
+        this.projectId = projectId;
+    }
+
+    public ProjectBuildingException( String projectId,
+                                     String message,
+                                     ArtifactNotFoundException cause )
+    {
+        super( message, cause );
+        this.projectId = projectId;
+    }
+
+    public ProjectBuildingException( String projectId,
+                                     String message,
+                                     String pomLocation,
+                                     ArtifactResolutionException cause )
+    {
+        super( message, cause );
+        this.projectId = projectId;
+        this.pomLocation = pomLocation;
+    }
+
+    public ProjectBuildingException( String projectId,
+                                     String message,
+                                     String pomLocation,
+                                     ArtifactNotFoundException cause )
+    {
+        super( message, cause );
+        this.projectId = projectId;
+        this.pomLocation = pomLocation;
+    }
+
+    public ProjectBuildingException( String projectId,
+                                     String message,
+                                     String pomLocation,
+                                     InvalidVersionSpecificationException cause )
+    {
+        super( message, cause );
+        this.projectId = projectId;
+        this.pomLocation = pomLocation;
+    }
+
+    public ProjectBuildingException( String projectId,
+                                     String message,
+                                     String pomLocation,
+                                     InvalidDependencyVersionException cause )
+    {
+        super( message, cause );
+        this.projectId = projectId;
+        this.pomLocation = pomLocation;
+    }
+
+    protected ProjectBuildingException( String projectId,
+                                        String message,
+                                        String pomLocation,
+                                        ModelInterpolationException cause )
+    {
+        super( message, cause );
+        this.projectId = projectId;
+        this.pomLocation = pomLocation;
+    }
+
+    public String getPomLocation()
+    {
+        return pomLocation;
+    }
+
     public String getProjectId()
     {
         return projectId;
     }
 
-    public String getMessage() 
+    public String getMessage()
     {
-        return super.getMessage() + " for project " + this.projectId;
+        return super.getMessage() + " for project " + projectId
+               + ( ( pomLocation == null ? "" : " at " + pomLocation ) );
     }
+
 }

maven-project/src/main/java/org/apache/maven/project/ProjectSorter.java

@@ -87,7 +87,14 @@ public class ProjectSorter
 
             if ( dag.getVertex( id ) != null )
             {
-                throw new DuplicateProjectException( "Project '" + id + "' is duplicated in the reactor" );
+                MavenProject conflictingProject = (MavenProject) projectMap.get( id );
+
+                throw new DuplicateProjectException( id,
+                                                     conflictingProject.getFile(),
+                                                     project.getFile(),
+                                                     "Project '"
+                                                     + id
+                                                     + "' is duplicated in the reactor" );
             }
 
             dag.addVertex( id );
@@ -138,7 +145,7 @@ public class ProjectSorter
                 {
                     Plugin plugin = (Plugin) j.next();
                     String pluginId = ArtifactUtils.versionlessKey( plugin.getGroupId(), plugin.getArtifactId() );
-                    if ( dag.getVertex( pluginId ) != null && !pluginId.equals( id ) )
+                    if ( ( dag.getVertex( pluginId ) != null ) && !pluginId.equals( id ) )
                     {
                         addEdgeWithParentCheck( projectMap, pluginId, project, id );
                     }
@@ -152,7 +159,7 @@ public class ProjectSorter
                 {
                     ReportPlugin plugin = (ReportPlugin) j.next();
                     String pluginId = ArtifactUtils.versionlessKey( plugin.getGroupId(), plugin.getArtifactId() );
-                    if ( dag.getVertex( pluginId ) != null && !pluginId.equals( id ) )
+                    if ( ( dag.getVertex( pluginId ) != null ) && !pluginId.equals( id ) )
                     {
                         addEdgeWithParentCheck( projectMap, pluginId, project, id );
                     }
@@ -186,7 +193,7 @@ public class ProjectSorter
         throws CycleDetectedException
     {
         MavenProject extProject = (MavenProject) projectMap.get( projectRefId );
-        
+
         if ( extProject == null )
         {
             return;
@@ -211,7 +218,7 @@ public class ProjectSorter
     {
         if ( topLevelProject == null )
         {
-            for ( Iterator i = sortedProjects.iterator(); i.hasNext() && topLevelProject == null; )
+            for ( Iterator i = sortedProjects.iterator(); i.hasNext() && ( topLevelProject == null ); )
             {
                 MavenProject project = (MavenProject) i.next();
                 if ( project.isExecutionRoot() )

maven-project/src/main/java/org/apache/maven/project/ProjectUtils.java

@@ -19,17 +19,14 @@ package org.apache.maven.project;
  * under the License.
  */
 
-import org.apache.maven.artifact.InvalidRepositoryException;
+import org.apache.maven.artifact.UnknownRepositoryLayoutException;
 import org.apache.maven.artifact.repository.ArtifactRepository;
 import org.apache.maven.artifact.repository.ArtifactRepositoryFactory;
 import org.apache.maven.artifact.repository.ArtifactRepositoryPolicy;
-import org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout;
 import org.apache.maven.model.DeploymentRepository;
 import org.apache.maven.model.Repository;
-import org.apache.maven.model.RepositoryBase;
 import org.apache.maven.model.RepositoryPolicy;
 import org.codehaus.plexus.PlexusContainer;
-import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
 
 import java.util.ArrayList;
 import java.util.Iterator;
@@ -44,7 +41,7 @@ public final class ProjectUtils
     public static List buildArtifactRepositories( List repositories,
                                                   ArtifactRepositoryFactory artifactRepositoryFactory,
                                                   PlexusContainer container )
-        throws InvalidRepositoryException
+        throws UnknownRepositoryLayoutException
     {
 
         List repos = new ArrayList();
@@ -67,17 +64,14 @@ public final class ProjectUtils
     public static ArtifactRepository buildDeploymentArtifactRepository( DeploymentRepository repo,
                                                                         ArtifactRepositoryFactory artifactRepositoryFactory,
                                                                         PlexusContainer container )
-        throws InvalidRepositoryException
+        throws UnknownRepositoryLayoutException
     {
         if ( repo != null )
         {
             String id = repo.getId();
             String url = repo.getUrl();
 
-            // TODO: make this a map inside the factory instead, so no lookup needed
-            ArtifactRepositoryLayout layout = getRepositoryLayout( repo, container );
-
-            return artifactRepositoryFactory.createDeploymentArtifactRepository( id, url, layout,
+            return artifactRepositoryFactory.createDeploymentArtifactRepository( id, url, repo.getLayout(),
                                                                                  repo.isUniqueVersion() );
         }
         else
@@ -89,20 +83,17 @@ public final class ProjectUtils
     public static ArtifactRepository buildArtifactRepository( Repository repo,
                                                               ArtifactRepositoryFactory artifactRepositoryFactory,
                                                               PlexusContainer container )
-        throws InvalidRepositoryException
+        throws UnknownRepositoryLayoutException
     {
         if ( repo != null )
         {
             String id = repo.getId();
             String url = repo.getUrl();
 
-            // TODO: make this a map inside the factory instead, so no lookup needed
-            ArtifactRepositoryLayout layout = getRepositoryLayout( repo, container );
-
             ArtifactRepositoryPolicy snapshots = buildArtifactRepositoryPolicy( repo.getSnapshots() );
             ArtifactRepositoryPolicy releases = buildArtifactRepositoryPolicy( repo.getReleases() );
 
-            return artifactRepositoryFactory.createArtifactRepository( id, url, layout, snapshots, releases );
+            return artifactRepositoryFactory.createArtifactRepository( id, url, repo.getLayout(), snapshots, releases );
         }
         else
         {
@@ -132,22 +123,4 @@ public final class ProjectUtils
         return new ArtifactRepositoryPolicy( enabled, updatePolicy, checksumPolicy );
     }
 
-    private static ArtifactRepositoryLayout getRepositoryLayout( RepositoryBase mavenRepo, PlexusContainer container )
-        throws InvalidRepositoryException
-    {
-        String layout = mavenRepo.getLayout();
-
-        ArtifactRepositoryLayout repositoryLayout;
-        try
-        {
-            repositoryLayout = (ArtifactRepositoryLayout) container.lookup( ArtifactRepositoryLayout.ROLE, layout );
-        }
-        catch ( ComponentLookupException e )
-        {
-            throw new InvalidRepositoryException( "Cannot find layout implementation corresponding to: \'" + layout +
-                "\' for remote repository with id: \'" + mavenRepo.getId() + "\'.", e );
-        }
-        return repositoryLayout;
-    }
-
 }

maven-project/src/main/java/org/apache/maven/project/artifact/InvalidDependencyVersionException.java

@@ -1,5 +1,7 @@
 package org.apache.maven.project.artifact;
 
+import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
+
 /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
@@ -28,7 +30,7 @@ package org.apache.maven.project.artifact;
 public class InvalidDependencyVersionException
     extends Exception
 {
-    public InvalidDependencyVersionException( String message, Exception cause )
+    public InvalidDependencyVersionException( String message, InvalidVersionSpecificationException cause )
     {
         super( message, cause );
     }

maven-project/src/main/java/org/apache/maven/project/artifact/MavenMetadataSource.java

@@ -47,7 +47,13 @@ import org.apache.maven.project.MavenProjectBuilder;
 import org.apache.maven.project.ProjectBuildingException;
 import org.apache.maven.project.build.ProjectBuildCache;
 import org.apache.maven.project.validation.ModelValidationResult;
+import org.codehaus.plexus.PlexusConstants;
+import org.codehaus.plexus.PlexusContainer;
+import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
+import org.codehaus.plexus.context.Context;
+import org.codehaus.plexus.context.ContextException;
 import org.codehaus.plexus.logging.AbstractLogEnabled;
+import org.codehaus.plexus.personality.plexus.lifecycle.phase.Contextualizable;
 import org.codehaus.plexus.util.StringUtils;
 
 import java.io.File;
@@ -65,7 +71,7 @@ import java.util.Set;
  */
 public class MavenMetadataSource
     extends AbstractLogEnabled
-    implements ArtifactMetadataSource
+    implements ArtifactMetadataSource, Contextualizable
 {
     public static final String ROLE_HINT = "default";
 
@@ -74,12 +80,14 @@ public class MavenMetadataSource
     private ArtifactFactory artifactFactory;
 
     private RepositoryMetadataManager repositoryMetadataManager;
-    
+
     private BuildContextManager buildContextManager;
 
     // lazily instantiated and cached.
     private MavenProject superProject;
 
+    private PlexusContainer container;
+
     /**
      * Retrieve the metadata for the project from the repository.
      * Uses the ProjectBuilder, to enable post-processing and inheritance calculation before retrieving the
@@ -88,8 +96,17 @@ public class MavenMetadataSource
     public ResolutionGroup retrieve( Artifact artifact, ArtifactRepository localRepository, List remoteRepositories )
         throws ArtifactMetadataRetrievalException
     {
+        try
+        {
+            loadProjectBuilder();
+        }
+        catch ( ComponentLookupException e )
+        {
+            throw new ArtifactMetadataRetrievalException( "Cannot lookup MavenProjectBuilder component instance: " + e.getMessage(), e );
+        }
+
         ProjectBuildCache cache = ProjectBuildCache.read( buildContextManager );
-        
+
         MavenProject project = null;
 
         Artifact pomArtifact;
@@ -107,7 +124,7 @@ public class MavenMetadataSource
             else
             {
                 project = cache.getCachedProject( artifact );
-                
+
                 if ( project == null )
                 {
                     try
@@ -122,7 +139,7 @@ public class MavenMetadataSource
                         if ( getLogger().isDebugEnabled() )
                         {
                             getLogger().debug( "Reason: " + e.getMessage() );
-                            
+
                             ModelValidationResult validationResult = e.getValidationResult();
 
                             if ( validationResult != null )
@@ -144,7 +161,7 @@ public class MavenMetadataSource
                             artifact.getDependencyConflictId() + "': " + e.getMessage(), e );
                     }
                 }
-                
+
 
                 if ( project != null )
                 {
@@ -154,7 +171,7 @@ public class MavenMetadataSource
                     if ( distMgmt != null )
                     {
                         relocation = distMgmt.getRelocation();
-                        
+
                         artifact.setDownloadUrl( distMgmt.getDownloadUrl() );
                         pomArtifact.setDownloadUrl( distMgmt.getDownloadUrl() );
                     }
@@ -174,7 +191,7 @@ public class MavenMetadataSource
                             artifact.setVersionRange( VersionRange.createFromVersion( relocation.getVersion() ) );
                         }
 
-                        if ( artifact.getDependencyFilter() != null &&
+                        if ( ( artifact.getDependencyFilter() != null ) &&
                             !artifact.getDependencyFilter().include( artifact ) )
                         {
                             return null;
@@ -188,7 +205,7 @@ public class MavenMetadataSource
                             message += "  " + relocation.getMessage() + "\n";
                         }
 
-                        if ( artifact.getDependencyTrail() != null && artifact.getDependencyTrail().size() == 1 )
+                        if ( ( artifact.getDependencyTrail() != null ) && ( artifact.getDependencyTrail().size() == 1 ) )
                         {
                             getLogger().warn( "While downloading " + artifact.getGroupId() + ":" +
                                 artifact.getArtifactId() + ":" + artifact.getVersion() + message + "\n" );
@@ -217,8 +234,8 @@ public class MavenMetadataSource
         {
             // TODO: this could come straight from the project, negating the need to set it in the project itself?
             artifact.setDownloadUrl( pomArtifact.getDownloadUrl() );
-        }        
-        
+        }
+
         ResolutionGroup result;
 
         if ( project == null )
@@ -255,6 +272,15 @@ public class MavenMetadataSource
         return result;
     }
 
+    private void loadProjectBuilder()
+        throws ComponentLookupException
+    {
+        if ( mavenProjectBuilder == null )
+        {
+            mavenProjectBuilder = (MavenProjectBuilder) container.lookup( MavenProjectBuilder.class );
+        }
+    }
+
     private List aggregateRepositoryLists( List remoteRepositories, List remoteArtifactRepositories )
         throws ArtifactMetadataRetrievalException
     {
@@ -284,7 +310,7 @@ public class MavenMetadataSource
             {
                 ArtifactRepository repo = (ArtifactRepository) aggregatedIterator.next();
 
-                // if the repository exists in the list and was introduced by another POM's super-pom, 
+                // if the repository exists in the list and was introduced by another POM's super-pom,
                 // remove it...the repository definitions from the super-POM should only be at the end of
                 // the list.
                 // if the repository has been redefined, leave it.
@@ -352,10 +378,10 @@ public class MavenMetadataSource
             }
 
             ArtifactFilter artifactFilter = dependencyFilter;
-            
-            if ( artifact != null && ( artifactFilter == null || artifactFilter.include( artifact ) ) )
+
+            if ( ( artifact != null ) && ( ( artifactFilter == null ) || artifactFilter.include( artifact ) ) )
             {
-                if ( d.getExclusions() != null && !d.getExclusions().isEmpty() )
+                if ( ( d.getExclusions() != null ) && !d.getExclusions().isEmpty() )
                 {
                     List exclusions = new ArrayList();
                     for ( Iterator j = d.getExclusions().iterator(); j.hasNext(); )
@@ -409,7 +435,7 @@ public class MavenMetadataSource
 
         List versions;
         Metadata repoMetadata = metadata.getMetadata();
-        if ( repoMetadata != null && repoMetadata.getVersioning() != null )
+        if ( ( repoMetadata != null ) && ( repoMetadata.getVersioning() != null ) )
         {
             List metadataVersions = repoMetadata.getVersioning().getVersions();
             versions = new ArrayList( metadataVersions.size() );
@@ -426,4 +452,10 @@ public class MavenMetadataSource
 
         return versions;
     }
+
+    public void contextualize( Context context )
+        throws ContextException
+    {
+        container = (PlexusContainer) context.get( PlexusConstants.PLEXUS_KEY );
+    }
 }

maven-project/src/main/java/org/apache/maven/project/build/model/DefaultModelLineageBuilder.java

@@ -197,11 +197,11 @@ public class DefaultModelLineageBuilder
         }
         catch ( IOException e )
         {
-            throw new ProjectBuildingException( "unknown", "Failed to read model from: " + pomFile, e );
+            throw new ProjectBuildingException( "unknown", "Failed to read model from: " + pomFile, pomFile.getAbsolutePath(), e );
         }
         catch ( XmlPullParserException e )
         {
-            throw new ProjectBuildingException( "unknown", "Failed to parse model from: " + pomFile, e );
+            throw new ProjectBuildingException( "unknown", "Failed to parse model from: " + pomFile, pomFile.getAbsolutePath(), e );
         }
         finally
         {
@@ -250,7 +250,7 @@ public class DefaultModelLineageBuilder
             catch ( InvalidRepositoryException e )
             {
                 throw new ProjectBuildingException( model.getId(), "Failed to create ArtifactRepository list for: "
-                    + pomFile, e );
+                    + pomFile, pomFile.getAbsolutePath(), e );
             }
         }
 
@@ -258,7 +258,7 @@ public class DefaultModelLineageBuilder
     }
 
     private void loadActiveProfileRepositories( List repositories, Model model, ProfileManager profileManager,
-                                                File projectDir )
+                                                File pomFile )
         throws ProjectBuildingException
     {
         List explicitlyActive;
@@ -275,9 +275,9 @@ public class DefaultModelLineageBuilder
             explicitlyInactive = Collections.EMPTY_LIST;
         }
 
-        LinkedHashSet profileRepos = profileAdvisor.getArtifactRepositoriesFromActiveProfiles( profileManager, model.getId() );
+        LinkedHashSet profileRepos = profileAdvisor.getArtifactRepositoriesFromActiveProfiles( profileManager, pomFile, model.getId() );
 
-        profileRepos.addAll( profileAdvisor.getArtifactRepositoriesFromActiveProfiles( model, projectDir,
+        profileRepos.addAll( profileAdvisor.getArtifactRepositoriesFromActiveProfiles( model, pomFile,
                                                                                                explicitlyActive,
                                                                                                explicitlyInactive ) );
 
@@ -310,7 +310,7 @@ public class DefaultModelLineageBuilder
 
             File parentPomFile = projectBuildCache.getCachedModelFile( modelParent );
 
-            if ( parentPomFile == null )
+            if ( ( parentPomFile == null ) && ( modelPomFile != null ) )
             {
                 parentPomFile = resolveParentWithRelativePath( modelParent, modelPomFile );
             }
@@ -319,7 +319,7 @@ public class DefaultModelLineageBuilder
             {
                 try
                 {
-                    parentPomFile = resolveParentFromRepositories( modelParent, localRepository, remoteRepositories, modelPomFile );
+                    parentPomFile = resolveParentFromRepositories( modelParent, localRepository, remoteRepositories, model.getId() );
                 }
                 catch( ProjectBuildingException e )
                 {
@@ -388,7 +388,7 @@ public class DefaultModelLineageBuilder
     }
 
     private File resolveParentFromRepositories( Parent modelParent, ArtifactRepository localRepository,
-                                                List remoteRepositories, File pomFile )
+                                                List remoteRepositories, String childId )
         throws ProjectBuildingException
     {
         Artifact parentPomArtifact = artifactFactory.createBuildArtifact( modelParent.getGroupId(), modelParent
@@ -405,12 +405,12 @@ public class DefaultModelLineageBuilder
         catch ( ArtifactResolutionException e )
         {
             throw new ProjectBuildingException( "Parent: " + modelParent.getId(),
-                                                "Failed to resolve POM for parent of: " + pomFile, e );
+                                                "Failed to resolve POM for parent of: " + childId, e );
         }
         catch ( ArtifactNotFoundException e )
         {
             throw new ProjectBuildingException( "Parent: " + modelParent.getId(), "Cannot find parent: "
-                + parentPomArtifact.getId() + " of: " + pomFile, e );
+                + parentPomArtifact.getId() + " of: " + childId, e );
         }
 
         if ( parentPomArtifact.isResolved() )

maven-project/src/main/resources/META-INF/plexus/components.xml

@@ -147,6 +147,10 @@ under the License.
       <role>org.apache.maven.project.MavenProjectBuilder</role>
       <implementation>org.apache.maven.project.DefaultMavenProjectBuilder</implementation>
       <requirements>
+        <requirement>
+          <role>org.apache.maven.artifact.metadata.ArtifactMetadataSource</role>
+          <role-hint>default</role-hint>
+        </requirement>
         <requirement>
           <role>org.apache.maven.project.build.model.ModelLineageBuilder</role>
           <role-hint>default</role-hint>
@@ -311,9 +315,6 @@ under the License.
       <role-hint>maven</role-hint>
       <implementation>org.apache.maven.project.artifact.MavenMetadataSource</implementation>
       <requirements>
-        <requirement>
-          <role>org.apache.maven.project.MavenProjectBuilder</role>
-        </requirement>
         <requirement>
           <role>org.apache.maven.artifact.factory.ArtifactFactory</role>
         </requirement>
@@ -332,9 +333,6 @@ under the License.
       <role-hint>default</role-hint>
       <implementation>org.apache.maven.project.artifact.MavenMetadataSource</implementation>
       <requirements>
-        <requirement>
-          <role>org.apache.maven.project.MavenProjectBuilder</role>
-        </requirement>
         <requirement>
           <role>org.apache.maven.artifact.factory.ArtifactFactory</role>
         </requirement>
@@ -352,10 +350,6 @@ under the License.
       <role>org.apache.maven.MavenTools</role>
       <implementation>org.apache.maven.DefaultMavenTools</implementation>
       <requirements>
-        <requirement>
-          <role>org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout</role>
-          <role-hint>default</role-hint>
-        </requirement>
         <requirement>
           <role>org.apache.maven.artifact.repository.ArtifactRepositoryFactory</role>
         </requirement>

pom.xml

@@ -121,7 +121,7 @@ under the License.
     <module>maven-embedder</module>
   </modules>
   <properties>
-    <plexusVersion>1.0-alpha-30</plexusVersion>
+    <plexusVersion>1.0-alpha-33-SNAPSHOT</plexusVersion>
     <wagonVersion>1.0-beta-2</wagonVersion>
   </properties>
   <dependencies>
@@ -267,4 +267,4 @@ under the License.
     </profile>
   </profiles>
   
-</project>
+</project>