Maven 2 & 3

NPE during build from parent but not from child

Details

  • Type: Bug Bug
  • Status: Closed Closed
  • Priority: Major Major
  • Resolution: Fixed
  • Affects Version/s: 3.0-beta-2
  • Fix Version/s: 3.0-beta-3
  • Component/s: None
  • Labels:
    None
  • Environment:
    MacOS X, JDK 1.6_20
  • Complexity:
    Intermediate
  • Number of attachments :
    0

Description

The build is a bit large (~50+) modules for me to post, but the rough layout is like so:

super

-sub
  -assembly

As part of the build of super, it fails with the exception below; as part of the build of sub, it succeeds.

[ERROR] Internal error: java.lang.NullPointerException -> [Help 1]
org.apache.maven.InternalErrorException: Internal error: java.lang.NullPointerException
at org.apache.maven.lifecycle.internal.BuilderCommon.handleBuildError(BuilderCommon.java:140)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:98)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:58)
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:252)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:100)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:443)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:166)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:130)
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: java.lang.NullPointerException
at org.apache.maven.plugin.DefaultPluginDescriptorCache$CacheKey.<init>(DefaultPluginDescriptorCache.java:148)
at org.apache.maven.plugin.DefaultPluginDescriptorCache.createKey(DefaultPluginDescriptorCache.java:61)
at org.apache.maven.plugin.internal.DefaultMavenPluginManager.getPluginDescriptor(DefaultMavenPluginManager.java:125)
at org.apache.maven.plugin.internal.DefaultMavenPluginManager.getMojoDescriptor(DefaultMavenPluginManager.java:245)
at org.apache.maven.plugin.DefaultBuildPluginManager.getMojoDescriptor(DefaultBuildPluginManager.java:199)
at org.apache.maven.lifecycle.internal.LifecycleExecutionPlanCalculatorImpl.calculateForkedLifecycle(LifecycleExecutionPlanCalculatorImpl.java:555)
at org.apache.maven.lifecycle.internal.LifecycleExecutionPlanCalculatorImpl.calculateForkedExecutions(LifecycleExecutionPlanCalculatorImpl.java:520)
at org.apache.maven.lifecycle.internal.LifecycleExecutionPlanCalculatorImpl.setupMojoExections(LifecycleExecutionPlanCalculatorImpl.java:160)
at org.apache.maven.lifecycle.internal.LifecycleExecutionPlanCalculatorImpl.calculateExecutionPlan(LifecycleExecutionPlanCalculatorImpl.java:123)
at org.apache.maven.lifecycle.internal.BuilderCommon.resolveBuildPlan(BuilderCommon.java:97)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:82)
... 16 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/InternalErrorException

Issue Links

is duplicated by

Bug - A problem which impairs or prevents the functions of the product. MNG-4778 NPE when executing javadoc:aggregate in 3.0-beta2

  • Major - Major loss of function.
  • Closed - The issue is considered finished, the resolution is correct. Issues which are not closed can be reopened.

Activity

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Paul Brown added a comment -

Switching the goal to "attached" from "assembly" appears to resolve the issue.

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Paul Brown added a comment - Switching the goal to "attached" from "assembly" appears to resolve the issue.
Benjamin Bentmann made changes -
Field Original Value New Value
Project Maven 2.x Assembly Plugin [ 11126 ] Maven 2 & 3 [ 10500 ]
Key MASSEMBLY-496 MNG-4776
Affects Version/s 3.0-beta-2 [ 16090 ]
Affects Version/s 2.2-beta-5 [ 15324 ]
Complexity Intermediate
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Benjamin Bentmann added a comment -

Can you provide a demo project or at least the full debug log of the build?

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Benjamin Bentmann added a comment - Can you provide a demo project or at least the full debug log of the build?
Benjamin Bentmann made changes -
Link This issue is duplicated by MNG-4778 [ MNG-4778 ]
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Benjamin Bentmann added a comment -

Fixed in r989222.

Workaround is to add the missing plugin versions mentioned at the start of the build.

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Benjamin Bentmann added a comment - Fixed in r989222 . Workaround is to add the missing plugin versions mentioned at the start of the build.
Benjamin Bentmann made changes -
Status Open [ 1 ] Closed [ 6 ]
Assignee Benjamin Bentmann [ bentmann ]
Fix Version/s 3.0-beta-3 [ 16681 ]
Resolution Fixed [ 1 ]

People

  • Assignee:
    Benjamin Bentmann
    Reporter:
    Paul Brown
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Dates

  • Created:
    Updated:
    Resolved: