[jira] (MASSEMBLY-659) Nullpointer in assembly:single when enforcer plugin v1.3 used

["David J. M. Karlsen (JIRA)" <ji...@codehaus.org>]

David J. M. Karlsen created MASSEMBLY-659:
---------------------------------------------

             Summary: Nullpointer in assembly:single when enforcer plugin v1.3 used
                 Key: MASSEMBLY-659
                 URL: https://jira.codehaus.org/browse/MASSEMBLY-659
             Project: Maven 2.x Assembly Plugin
          Issue Type: Bug
    Affects Versions: 2.4
            Reporter: David J. M. Karlsen
         Attachments: online-distribution.xml

I get this exception when the enforcer-plugin (!) is pluginManaged to version 1.3.
It works with enforcer v1.2
{noformat}
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-assembly-plugin:2.4:single (default) on project cp-client-dist: Execution default of goal org.apache.maven.plugins:maven-assembly-plugin:2.4:single failed. NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-assembly-plugin:2.4:single (default) on project cp-client-dist: Execution default of goal org.apache.maven.plugins:maven-assembly-plugin:2.4:single failed.
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:225)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
        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:320)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        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: org.apache.maven.plugin.PluginExecutionException: Execution default of goal org.apache.maven.plugins:maven-assembly-plugin:2.4:single failed.
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
        ... 19 more
Caused by: java.lang.NullPointerException
        at org.apache.maven.plugin.assembly.archive.archiver.AssemblyProxyArchiver$DefaultFileInfo.isFile(AssemblyProxyArchiver.java:871)
        at org.apache.maven.plugin.assembly.filter.ComponentsXmlArchiverFileFilter.isSelected(ComponentsXmlArchiverFileFilter.java:193)
        at org.apache.maven.plugin.assembly.archive.archiver.AssemblyProxyArchiver.acceptFile(AssemblyProxyArchiver.java:825)
        at org.apache.maven.plugin.assembly.archive.archiver.AssemblyProxyArchiver.addFile(AssemblyProxyArchiver.java:476)
        at org.apache.maven.plugin.assembly.archive.task.AddArtifactTask.execute(AddArtifactTask.java:212)
        at org.apache.maven.plugin.assembly.archive.task.AddDependencySetsTask.addNormalArtifact(AddDependencySetsTask.java:351)
        at org.apache.maven.plugin.assembly.archive.task.AddDependencySetsTask.addDependencySet(AddDependencySetsTask.java:186)
        at org.apache.maven.plugin.assembly.archive.task.AddDependencySetsTask.execute(AddDependencySetsTask.java:124)
        at org.apache.maven.plugin.assembly.archive.phase.DependencySetAssemblyPhase.execute(DependencySetAssemblyPhase.java:76)
        at org.apache.maven.plugin.assembly.archive.DefaultAssemblyArchiver.createArchive(DefaultAssemblyArchiver.java:183)
        at org.apache.maven.plugin.assembly.mojos.AbstractAssemblyMojo.execute(AbstractAssemblyMojo.java:436)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
        ... 20 more
[ERROR] 
[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/PluginExecutionException

{noformat}

See attachment for my config.
If I remove:
{noformat}
  <dependencySet>
                        <outputDirectory>sharedlibs</outputDirectory>
                        <includes>
                                <include>org.apache.ws.xmlschema:xmlschema-core</include>
                                <include>org.apache.neethi:neethi</include>
                        </includes>
                </dependencySet>
{noformat}

it works with all enforcer versions.

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