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http://jira.codehaus.org/browse/MNG-3729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=146071#action_146071
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John Casey commented on MNG-3729:
---------------------------------
I tried to reproduce this issue using the maven-core build and the information
given above, but unfortunately it didn't work. I'm not sure what the difference
is in execution environment, but if you could produce an archived test project
setup that will display the error, I'm happy to continue debugging.
> Maven 2.0.10-RC10 fails with NPE on assembly:assembly
> -----------------------------------------------------
>
> Key: MNG-3729
> URL: http://jira.codehaus.org/browse/MNG-3729
> Project: Maven 2
> Issue Type: Bug
> Affects Versions: 2.0.10
> Environment: Mac OS X 10.5.4
> Reporter: Thorsten Möller
> Fix For: 2.0.10
>
> Attachments: bin.xml, pom.xml
>
>
> Multi-module project fails with NPE on assembly:assembly (assembly plugin
> used 2.2-beta-1; 2.2-beta-2 can not be used because of
> http://jira.codehaus.org/browse/MASSEMBLY-314 bug)
> Command used was "mvn clean install assembly:assembly eclipse:eclipse".
> Same configuration (see attached POM) works with Maven 2.0.9. Below you will
> find relevant excerpt from the build trace.
> Note: Some internal/irrelevant information were removed from attached POM.
> Additionally, assembly descriptor of default assembly is attached.
> Best regards,
> Thorsten
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Building OSIRIS Next
> [INFO] task-segment: [assembly:assembly] (aggregator-style)
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Preparing assembly:assembly
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Building OSIRIS Next
> [INFO]
> ------------------------------------------------------------------------
> [INFO] [enforcer:enforce {execution: enforce-maven}]
> [INFO] [tools:copy-legal-files {execution: install-legal-files}]
> [INFO] [site:attach-descriptor]
> [INFO] Preparing source:jar
> [WARNING] Removing: jar from forked lifecycle, to prevent recursive
> invocation.
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] FATAL ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] null
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Trace
> java.lang.NullPointerException
> at
> org.apache.maven.plugin.DefaultPluginManager.resolveTransitiveDependencies(DefaultPluginManager.java:1426)
>
> at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:410)
>
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:682)
>
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:546)
>
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.forkProjectLifecycle(DefaultLifecycleExecutor.java:1194)
>
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.forkLifecycle(DefaultLifecycleExecutor.java:1037)
>
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:634)
>
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:546)
>
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.forkProjectLifecycle(DefaultLifecycleExecutor.java:1194)
>
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.forkLifecycle(DefaultLifecycleExecutor.java:1032)
>
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:634)
>
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:559)
>
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:529)
>
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:377)
>
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:274)
>
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:189)
>
> 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:302)
> 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: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: 55 minutes 18 seconds
> [INFO] Finished at: Mon Aug 25 17:18:11 CEST 2008
> [INFO] Final Memory: 36M/126M
> [INFO]
> ------------------------------------------------------------------------
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