Error while building official Nexus 1.8.0

console.log

$ mvn3 install -e -Dmaven.test.skip=true -rf :nexus-app
[INFO] Error stacktraces are turned on.
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO] 
[INFO] Nexus : Application
[INFO] Nexus : Indexer Lucene
[INFO] Nexus : Indexer Lucene : Application
[INFO] Nexus : Web Utils
[INFO] Nexus : Core Rest API
[INFO] Nexus : Indexer Lucene : REST API
[INFO] Nexus : Indexer Lucene : Plugin
[INFO] Nexus : Plugins : Plugin Test API
[INFO] Nexus : Migration Tools
[INFO] Nexus : Migration Tools : Repository Conversion
[INFO] Nexus : Migration Tools : Maven Metadata Rebuild
[INFO] Nexus : Core Plugins
[INFO] Nexus : Core Plugins : LVO Plugin
[INFO] Nexus : Core Plugins : Plugin Console Plugin
[INFO] Nexus : Core Plugins : OSS LDAP
[INFO] Nexus : Core Plugins : OSS LDAP : Common
[INFO] Nexus : Core Plugins : OSS LDAP : LDAP Realm Plugin
[INFO] Nexus : Distros
[INFO] Nexus : Distros : Distribution Archives
[INFO] Nexus : Distros : Distribution Archives : Core CAR
[INFO] Nexus : Core Plugins : Core Documentation
[INFO] Nexus : Core Plugins : Capabilities
[INFO] Nexus : Core Plugins : Remote Repository Browsing
[INFO] Nexus : Web Application frontend (WAR and ITAR)
[INFO] Nexus : Distros : Distribution Archives : IoC ITAR
[INFO] Nexus : Distros : Nexus OSS Bundle
[INFO] Nexus : Core Plugins : OSS LDAP : Plugin ITs
[INFO] Nexus : Clients
[INFO] Nexus : Clients : Java REST
[INFO] Nexus : Clients : Lightweight REST
[INFO] Nexus : Clients : Lightweight REST : Common
[INFO] Nexus : Clients : Lightweight REST : ITs
[INFO] Nexus : Clients : Lightweight REST : Staging/BP
[INFO] Nexus : Clients : Lightweight REST : M2 Settings
[INFO] Nexus : Clients : Lightweight REST : Core
[INFO] Nexus : Test Harness
[INFO] Nexus : Core Plugins : Capabilities : Plugin ITs
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building Nexus : Application 1.8.0
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] --- maven-enforcer-plugin:1.0-beta-1:enforce (enforce-java) @ nexus-app ---
[INFO] 
[INFO] --- maven-enforcer-plugin:1.0-beta-1:enforce (enforce) @ nexus-app ---
[INFO] 
[INFO] --- maven-resources-plugin:2.4:resources (default-resources) @ nexus-app ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 2 resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.0.2:compile (default-compile) @ nexus-app ---
[INFO] Nothing to compile - all classes are up to date
[INFO] 
[INFO] --- plexus-component-metadata:1.5.4:generate-metadata (process-classes) @ nexus-app ---
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Nexus : Application ............................... FAILURE [6.688s]
[INFO] Nexus : Indexer Lucene ............................ SKIPPED
[INFO] Nexus : Indexer Lucene : Application .............. SKIPPED
[INFO] Nexus : Web Utils ................................. SKIPPED
[INFO] Nexus : Core Rest API ............................. SKIPPED
[INFO] Nexus : Indexer Lucene : REST API ................. SKIPPED
[INFO] Nexus : Indexer Lucene : Plugin ................... SKIPPED
[INFO] Nexus : Plugins : Plugin Test API ................. SKIPPED
[INFO] Nexus : Migration Tools ........................... SKIPPED
[INFO] Nexus : Migration Tools : Repository Conversion ... SKIPPED
[INFO] Nexus : Migration Tools : Maven Metadata Rebuild .. SKIPPED
[INFO] Nexus : Core Plugins .............................. SKIPPED
[INFO] Nexus : Core Plugins : LVO Plugin ................. SKIPPED
[INFO] Nexus : Core Plugins : Plugin Console Plugin ...... SKIPPED
[INFO] Nexus : Core Plugins : OSS LDAP ................... SKIPPED
[INFO] Nexus : Core Plugins : OSS LDAP : Common .......... SKIPPED
[INFO] Nexus : Core Plugins : OSS LDAP : LDAP Realm Plugin  SKIPPED
[INFO] Nexus : Distros ................................... SKIPPED
[INFO] Nexus : Distros : Distribution Archives ........... SKIPPED
[INFO] Nexus : Distros : Distribution Archives : Core CAR  SKIPPED
[INFO] Nexus : Core Plugins : Core Documentation ......... SKIPPED
[INFO] Nexus : Core Plugins : Capabilities ............... SKIPPED
[INFO] Nexus : Core Plugins : Remote Repository Browsing . SKIPPED
[INFO] Nexus : Web Application frontend (WAR and ITAR) ... SKIPPED
[INFO] Nexus : Distros : Distribution Archives : IoC ITAR  SKIPPED
[INFO] Nexus : Distros : Nexus OSS Bundle ................ SKIPPED
[INFO] Nexus : Core Plugins : OSS LDAP : Plugin ITs ...... SKIPPED
[INFO] Nexus : Clients ................................... SKIPPED
[INFO] Nexus : Clients : Java REST ....................... SKIPPED
[INFO] Nexus : Clients : Lightweight REST ................ SKIPPED
[INFO] Nexus : Clients : Lightweight REST : Common ....... SKIPPED
[INFO] Nexus : Clients : Lightweight REST : ITs .......... SKIPPED
[INFO] Nexus : Clients : Lightweight REST : Staging/BP ... SKIPPED
[INFO] Nexus : Clients : Lightweight REST : M2 Settings .. SKIPPED
[INFO] Nexus : Clients : Lightweight REST : Core ......... SKIPPED
[INFO] Nexus : Test Harness .............................. SKIPPED
[INFO] Nexus : Core Plugins : Capabilities : Plugin ITs .. SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 14.476s
[INFO] Finished at: Sat Nov 06 09:50:17 CET 2010
[INFO] Final Memory: 29M/81M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.plexus:plexus-component-metadata:1.5.4:generate-metadata (process-classes) on project nexus-app: Error generating metadata: Failed to extract descriptors: Can't load class NexusPluginManager -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.codehaus.plexus:plexus-component-metadata:1.5.4:generate-metadata (process-classes) on project nexus-app: Error generating metadata: 
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:203)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:140)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:314)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:151)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:445)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:168)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:132)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: org.apache.maven.plugin.MojoExecutionException: Error generating metadata: 
	at org.codehaus.plexus.maven.plugin.PlexusDescriptorMojo.execute(PlexusDescriptorMojo.java:86)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:107)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:195)
	... 19 more
Caused by: java.lang.Exception: Failed to extract descriptors
	at org.codehaus.plexus.metadata.DefaultMetadataGenerator.generateDescriptor(DefaultMetadataGenerator.java:86)
	at org.codehaus.plexus.maven.plugin.PlexusDescriptorMojo.execute(PlexusDescriptorMojo.java:82)
	... 21 more
Caused by: org.codehaus.plexus.metadata.gleaner.ComponentGleanerException: Can't load class NexusPluginManager
	at org.codehaus.plexus.metadata.gleaner.AnnotationComponentGleaner.findRequirement(AnnotationComponentGleaner.java:212)
	at org.codehaus.plexus.metadata.gleaner.AnnotationComponentGleaner.glean(AnnotationComponentGleaner.java:102)
	at org.codehaus.plexus.metadata.ClassComponentDescriptorExtractor.extract(ClassComponentDescriptorExtractor.java:145)
	at org.codehaus.plexus.metadata.ClassComponentDescriptorExtractor.extract(ClassComponentDescriptorExtractor.java:79)
	at org.codehaus.plexus.metadata.DefaultMetadataGenerator.generateDescriptor(DefaultMetadataGenerator.java:78)
	... 22 more
[ERROR] 
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException