[ 
http://jira.codehaus.org/browse/MNG-4844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Benjamin Bentmann closed MNG-4844.
----------------------------------

    Resolution: Duplicate
      Assignee: Benjamin Bentmann

Known bug in the IBM/Harmony class library, please try 
[3.0-RC3|https://repository.apache.org/content/repositories/maven-014/org/apache/maven/apache-maven/3.0-RC3/]
 where we added a workaround.

> Maven 3 RC1 crashes with IBM JDK 6
> ----------------------------------
>
>                 Key: MNG-4844
>                 URL: http://jira.codehaus.org/browse/MNG-4844
>             Project: Maven 2 & 3
>          Issue Type: Bug
>         Environment: Apache Maven 3.0-RC1 (r997478; 2010-09-15 21:57:55+0200)
> Java version: 1.6.0
> Java home: C:\Dev\ibm_jdk1.6.0_8\jre
> Default locale: en_US, platform encoding: Cp1252
> OS name: "windows xp" version: "5.1 build 2600 service pack 3" arch: "x86" 
> Family: "windows"
> IBM JDK 6:
> java version "1.6.0_21"
> Java(TM) SE Runtime Environment (build 1.6.0_21-b07)
> Java HotSpot(TM) Client VM (build 17.0-b17, mixed mode, sharing)
>            Reporter: Julian Payne
>            Assignee: Benjamin Bentmann
>            Priority: Blocker
>         Attachments: mvn3-crash.zip
>
>
> Running the minimal project that is provided crashes maven with this error:
> [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:128)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:95)
>       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:315)
>       at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:152)
>       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:48)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>       at java.lang.reflect.Method.invoke(Method.java:600)
>       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.sonatype.aether.util.graph.transformer.JavaEffectiveScopeCalculator.getInheritedScopes(JavaEffectiveScopeCalculator.java:149)
>       at 
> org.sonatype.aether.util.graph.transformer.JavaEffectiveScopeCalculator.resolve(JavaEffectiveScopeCalculator.java:126)
>       at 
> org.sonatype.aether.util.graph.transformer.JavaEffectiveScopeCalculator.transformGraph(JavaEffectiveScopeCalculator.java:80)
>       at 
> org.sonatype.aether.util.graph.transformer.ChainedDependencyGraphTransformer.transformGraph(ChainedDependencyGraphTransformer.java:76)
>       at 
> org.sonatype.aether.impl.internal.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:246)
>       at 
> org.sonatype.aether.impl.internal.DefaultRepositorySystem.collectDependencies(DefaultRepositorySystem.java:265)
>       at 
> org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:117)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:165)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies(LifecycleDependencyResolver.java:104)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved(MojoExecutor.java:244)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:187)
>       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)
> All the details are in the readme.txt in the attached zip file.

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