Remove dead code (initializers)

maven-aether-provider/src/main/java/org/apache/maven/repository/internal/RemoteSnapshotMetadata.java

@@ -68,7 +68,7 @@ public String getExpandedVersion( Artifact artifact )
     protected void merge( Metadata recessive )
     {
         Snapshot snapshot;
-        String lastUpdated = "";
+        String lastUpdated;
 
         if ( metadata.getVersioning() == null )
         {

maven-compat/src/main/java/org/apache/maven/repository/legacy/TransferListenerAdapter.java

@@ -67,7 +67,7 @@ public void transferCompleted( TransferEvent transferEvent )
     {
         ArtifactTransferEvent event = wrap( transferEvent );
 
-        Long transferred = null;
+        Long transferred;
         synchronized ( transfers )
         {
             transferred = transfers.remove( transferEvent.getResource() );

maven-compat/src/main/java/org/apache/maven/repository/metadata/ClasspathContainer.java

@@ -87,11 +87,10 @@ public MetadataTreeNode getClasspathAsTree()
 
         MetadataTreeNode tree = null;
         MetadataTreeNode parent = null;
-        MetadataTreeNode node = null;
 
         for ( ArtifactMetadata md : classpath )
         {
-            node = new MetadataTreeNode( md, parent, md.isResolved(), md.getArtifactScope() );
+            MetadataTreeNode node = new MetadataTreeNode( md, parent, md.isResolved(), md.getArtifactScope() );
             if ( tree == null )
             {
                 tree = node;

maven-compat/src/main/java/org/apache/maven/repository/metadata/DefaultClasspathTransformation.java

@@ -70,9 +70,8 @@ public ClasspathContainer transform( MetadataGraph dirtyGraph, ArtifactScopeEnum
             {
                 ClasspathGraphVisitor v = new ClasspathGraphVisitor( cleanGraph, cpc );
                 MetadataGraphVertex entry = cleanGraph.getEntry();
-                ArtifactMetadata md = entry.getMd();
                 // entry point
-                v.visit( entry ); // , md.getVersion(), md.getArtifactUri() );
+                v.visit( entry );
             }
 
             return cpc;

maven-core/src/main/java/org/apache/maven/configuration/internal/DefaultBeanConfigurator.java

@@ -69,7 +69,7 @@ public void configureBean( BeanConfigurationRequest request )
             return;
         }
 
-        PlexusConfiguration plexusConfig = null;
+        PlexusConfiguration plexusConfig;
         if ( configuration instanceof PlexusConfiguration )
         {
             plexusConfig = (PlexusConfiguration) configuration;

maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuilder.java

@@ -191,7 +191,7 @@ else if ( configuration.isResolveDependencies() )
 
     private DependencyResolutionResult resolveDependencies( MavenProject project, RepositorySystemSession session )
     {
-        DependencyResolutionResult resolutionResult = null;
+        DependencyResolutionResult resolutionResult;
 
         try
         {

maven-core/src/main/java/org/apache/maven/project/DefaultProjectBuildingHelper.java

@@ -166,7 +166,7 @@ public synchronized ProjectRealmCache.CacheRecord createProjectRealm( MavenProje
                                                                           ProjectBuildingRequest request )
         throws PluginResolutionException, PluginVersionResolutionException
     {
-        ClassRealm projectRealm = null;
+        ClassRealm projectRealm;
 
         List<Plugin> extensionPlugins = new ArrayList<Plugin>();
 

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

@@ -235,7 +235,7 @@ private String[] cleanArgs( String[] args )
 
         int cleanedSz = cleaned.size();
 
-        String[] cleanArgs = null;
+        String[] cleanArgs;
 
         if ( cleanedSz == 0 )
         {

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

@@ -389,7 +389,7 @@ private PlexusContainer container( CliRequest cliRequest )
             cliRequest.classWorld = new ClassWorld( "plexus.core", Thread.currentThread().getContextClassLoader() );
         }
 
-        DefaultPlexusContainer container = null;
+        DefaultPlexusContainer container;
 
         ContainerConfiguration cc = new DefaultContainerConfiguration()
             .setClassWorld( cliRequest.classWorld )

maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/Log4j2Configuration.java

@@ -33,7 +33,7 @@ public class Log4j2Configuration
     @Override
     public void setRootLoggerLevel( Level level )
     {
-        String value = "info";
+        String value;
         switch ( level )
         {
             case DEBUG:

maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/LogbackConfiguration.java

@@ -35,7 +35,7 @@ public class LogbackConfiguration
     @Override
     public void setRootLoggerLevel( Level level )
     {
-        ch.qos.logback.classic.Level value = ch.qos.logback.classic.Level.INFO;
+        ch.qos.logback.classic.Level value;
         switch ( level )
         {
             case DEBUG:

maven-embedder/src/main/java/org/apache/maven/cli/logging/impl/Slf4jSimpleConfiguration.java

@@ -35,7 +35,7 @@ public class Slf4jSimpleConfiguration
     @Override
     public void setRootLoggerLevel( Level level )
     {
-        String value = "info";
+        String value;
         switch ( level )
         {
             case DEBUG: