I keep encountering the following error - any suggestions?
help:effective-pom [FATAL ERROR] org.apache.maven.plugins.help.EffectivePomMojo#execute() caused a linkage error (java.lang.NoClassDefFoundError) and may be out-of-date. Check the realms: FATAL ERROR] Plugin realm = app0.child-container[org.apache.maven.plugins:maven-help-plugin urls[0] = file:/e:/work/m2/repository/org/apache/maven/plugins/maven-help-plugin/2 .1-SNAPSHOT/maven-help-plugin-2.1-SNAPSHOT.jar urls[1] = file:/e:/work/m2/repository/org/codehaus/plexus/plexus-utils/1.1/plexus- utils-1.1.jar [FATAL ERROR] Container realm = plexus.core urls[0] = file:/c:/maven-2.0.9/bin/../lib/maven-2.0.9-uber.jar urls[1] = file:/c:/maven-2.0.9/bin/../lib/maven-ant-tasks-2.0.9.jar [INFO] ------------------------------------------------------------------------ [ERROR] FATAL ERROR [INFO] ------------------------------------------------------------------------ [INFO] org/codehaus/plexus/util/WriterFactory [INFO] ------------------------------------------------------------------------ [INFO] Trace java.lang.NoClassDefFoundError: org/codehaus/plexus/util/WriterFactory at org.apache.maven.plugins.help.EffectivePomMojo.execute(EffectivePomMojo. java:111) at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginMa nager.java:451) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Default LifecycleExecutor.java:558) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoa l(DefaultLifecycleExecutor.java:512) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultL ifecycleExecutor.java:482) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandle Failures(DefaultLifecycleExecutor.java:330) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments( DefaultLifecycleExecutor.java:227) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifec ycleExecutor.java:142) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129) at org.apache.maven.cli.MavenCli.main(MavenCli.java:287) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav a:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor Impl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315) at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430) at org.codehaus.classworlds.Launcher.main(Launcher.java:375) [INFO] ------------------------------------------------------------------------ [INFO] Total time: 19 seconds [INFO] Finished at: Wed Jul 23 16:19:14 EDT 2008 [INFO] Final Memory: 12M/27M [INFO] ------------------------------------------------------------------------
