NullPointerException at NearestVersionConflictResolver.selectVersion()
----------------------------------------------------------------------
Key: MNG-4798
URL: http://jira.codehaus.org/browse/MNG-4798
Project: Maven 2 & 3
Issue Type: Bug
Affects Versions: 3.0-beta-3
Environment: Maven 3 beta-3, Linux, Java 1.6.0_21
Reporter: Jochen Stiepel
this error only occurs with Maven 3 beta-3 but not Maven 3 beta-2.
Maby it is related to this error, but has a different stacktrace: MNG-4779
[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:141)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:99)
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.NearestVersionConflictResolver.selectVersion(NearestVersionConflictResolver.java:218)
at
org.sonatype.aether.util.graph.transformer.NearestVersionConflictResolver.transformGraph(NearestVersionConflictResolver.java:81)
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:202)
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies(LifecycleDependencyResolver.java:141)
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveDependencies(LifecycleDependencyResolver.java:118)
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveDependencies(LifecycleDependencyResolver.java:82)
at
org.apache.maven.lifecycle.internal.BuilderCommon.resolveBuildPlan(BuilderCommon.java:130)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:83)
... 16 more
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