diff --git a/its/core-it-support/core-it-plugins/maven-it-plugin-active-collection/pom.xml b/its/core-it-support/core-it-plugins/maven-it-plugin-active-collection/pom.xml
new file mode 100644
index 0000000000..56714146c9
--- /dev/null
+++ b/its/core-it-support/core-it-plugins/maven-it-plugin-active-collection/pom.xml
@@ -0,0 +1,56 @@
+
+
+
+
+
+ 4.0.0
+
+
+ maven-it-plugins
+ org.apache.maven.its.plugins
+ 2.1-SNAPSHOT
+
+
+ maven-it-plugin-active-collection
+ maven-plugin
+
+ Maven Integration Test Plugin :: Active Collection
+
+ A test plugin that depends on active collections of core components.
+
+ 2009
+
+
+ true
+
+
+
+
+ org.apache.maven
+ maven-plugin-api
+ 2.0
+
+
+ org.apache.maven
+ maven-artifact
+ 2.0
+
+
+
diff --git a/its/core-it-support/core-it-plugins/maven-it-plugin-active-collection/src/main/java/org/apache/maven/plugin/coreit/DumpRepoLayoutsMojo.java b/its/core-it-support/core-it-plugins/maven-it-plugin-active-collection/src/main/java/org/apache/maven/plugin/coreit/DumpRepoLayoutsMojo.java
new file mode 100644
index 0000000000..1346df36f7
--- /dev/null
+++ b/its/core-it-support/core-it-plugins/maven-it-plugin-active-collection/src/main/java/org/apache/maven/plugin/coreit/DumpRepoLayoutsMojo.java
@@ -0,0 +1,146 @@
+package org.apache.maven.plugin.coreit;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+
+/**
+ * Dumps the role hints of the available repository layouts to a properties file.
+ *
+ * @goal dump-repo-layouts
+ * @phase validate
+ *
+ * @author Benjamin Bentmann
+ */
+public class DumpRepoLayoutsMojo
+ extends AbstractMojo
+{
+
+ /**
+ * Project base directory used for manual path alignment.
+ *
+ * @parameter default-value="${basedir}"
+ * @readonly
+ */
+ private File basedir;
+
+ /**
+ * The available repository layouts, as a map.
+ *
+ * @component role="org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout"
+ */
+ private Map repositoryLayouts;
+
+ /**
+ * The available repository layouts, as a list.
+ *
+ * @component role="org.apache.maven.artifact.repository.layout.ArtifactRepositoryLayout"
+ */
+ private List repoLayouts;
+
+ /**
+ * The path to the properties file used to dump the repository layouts.
+ *
+ * @parameter expression="${collections.layoutsFile}"
+ */
+ private File layoutsFile;
+
+ /**
+ * Runs this mojo.
+ *
+ * @throws MojoFailureException If the output file could not be created.
+ */
+ public void execute()
+ throws MojoExecutionException, MojoFailureException
+ {
+ Properties layoutProperties = new Properties();
+
+ getLog().info( "[MAVEN-CORE-IT-LOG] Dumping repository layouts" );
+
+ layoutProperties.setProperty( "layouts", Integer.toString( repositoryLayouts.size() ) );
+
+ for ( Iterator it = repositoryLayouts.keySet().iterator(); it.hasNext(); )
+ {
+ String roleHint = (String) it.next();
+ Object repoLayout = repositoryLayouts.get( roleHint );
+ if ( repoLayout != null )
+ {
+ layoutProperties.setProperty( "layouts." + roleHint, repoLayout.getClass().getName() );
+ }
+ else
+ {
+ layoutProperties.setProperty( "layouts." + roleHint, "" );
+ }
+ getLog().info( "[MAVEN-CORE-IT-LOG] " + roleHint + " = " + repoLayout );
+ }
+
+ if ( repoLayouts.size() != repositoryLayouts.size() )
+ {
+ throw new MojoExecutionException( "Inconsistent collection: " + repoLayouts + " vs " + repositoryLayouts );
+ }
+
+ if ( !layoutsFile.isAbsolute() )
+ {
+ layoutsFile = new File( basedir, layoutsFile.getPath() );
+ }
+
+ getLog().info( "[MAVEN-CORE-IT-LOG] Creating output file " + layoutsFile );
+
+ OutputStream out = null;
+ try
+ {
+ layoutsFile.getParentFile().mkdirs();
+ out = new FileOutputStream( layoutsFile );
+ layoutProperties.store( out, "MAVEN-CORE-IT-LOG" );
+ }
+ catch ( IOException e )
+ {
+ throw new MojoExecutionException( "Output file could not be created: " + layoutsFile, e );
+ }
+ finally
+ {
+ if ( out != null )
+ {
+ try
+ {
+ out.close();
+ }
+ catch ( IOException e )
+ {
+ // just ignore
+ }
+ }
+ }
+
+ getLog().info( "[MAVEN-CORE-IT-LOG] Created output file " + layoutsFile );
+ }
+
+}
diff --git a/its/core-it-support/core-it-plugins/pom.xml b/its/core-it-support/core-it-plugins/pom.xml
index bd5aef0558..48c1fd7792 100644
--- a/its/core-it-support/core-it-plugins/pom.xml
+++ b/its/core-it-support/core-it-plugins/pom.xml
@@ -35,6 +35,7 @@ under the License.
Maven Integration Tests :: Plugins
+ maven-it-plugin-active-collection
maven-it-plugin-artifact
maven-it-plugin-class-loader
maven-it-plugin-configuration