[ http://jira.codehaus.org/browse/MNG-648?page=all ]
John Casey closed MNG-648:
--------------------------
Resolution: Fixed
if artifact list passed in is null, will return an empty Map instance. This is
for convenience, so we don't have to do additional null checks, as in the case
of plugin parameterization.
> NPE in ArtifactUtils#artifactMapByVersionlessId(Collection artifacts)
> ---------------------------------------------------------------------
>
> Key: MNG-648
> URL: http://jira.codehaus.org/browse/MNG-648
> Project: Maven 2
> Type: Bug
> Components: maven-artifact
> Versions: 2.0-beta-1
> Reporter: Vincent Siveton
>
>
> Executing the following calls throws an NPE:
> #components\maven-core>m2 site:site
> Same thing for the test case:
> #components\maven-plugins\maven-site-plugin\src\test\projects\site-plugin-test1>m2
> site:site
> Stack trace:
> java.lang.NullPointerException
> at
> org.apache.maven.artifact.ArtifactUtils.artifactMapByVersionlessId(ArtifactUtils.java:57)
> at
> org.apache.maven.project.MavenProject.getReportArtifactMap(MavenProject.java:863)
> at
> org.apache.maven.plugin.DefaultPluginManager.getReports(DefaultPluginManager.java:410)
> at org.apache.maven.doxia.DoxiaMojo.getReports(DoxiaMojo.java:913)
> at org.apache.maven.doxia.DoxiaMojo.execute(DoxiaMojo.java:213)
> at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:368)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:172)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:153)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:136)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:106)
> at org.apache.maven.DefaultMaven.processProject(DefaultMaven.java:294)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:202)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:267)
> 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:303)
> at org.codehaus.classworlds.Launcher.launch(Launcher.java:243)
> at
> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:416)
> at org.codehaus.classworlds.Launcher.main(Launcher.java:363)
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