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Posted to users@maven.apache.org by Wim Deblauwe <wi...@gmail.com> on 2011/03/14 09:42:28 UTC

NullPointerException in maven assembly plugin

Hi,

I am upgrading my projects from maven 2 to maven 3 and most of them are
fine. However, there is one project that gives a NullPointerException during
the assembly:

maven builder waiting
mavenExecutionResult exceptions not empty
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
goal org.apache.maven.plugins:maven-assembly-plugin:2.2:single (make
zipfile) on project plugin-sdk-assembly: Execution make zipfile of goal
org.apache.maven.plugins:maven-assembly-plugin:2.2: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:319)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
        at
org.jvnet.hudson.maven3.launcher.Maven3Launcher.main(Maven3Launcher.java:79)
        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.launchStandard(Launcher.java:329)
        at
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:239)
        at
org.jvnet.hudson.maven3.agent.Maven3Main.launch(Maven3Main.java:145)
        at hudson.maven.Maven3Builder.call(Maven3Builder.java:124)
        at hudson.maven.Maven3Builder.call(Maven3Builder.java:71)
        at hudson.remoting.UserRequest.perform(UserRequest.java:114)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:270)
        at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution make
zipfile of goal org.apache.maven.plugins:maven-assembly-plugin:2.2:single
failed.
        at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
        at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
        ... 27 more
Caused by: java.lang.NullPointerException
        at
org.apache.maven.artifact.repository.metadata.AbstractRepositoryMetadata.getLocalFilename(AbstractRepositoryMetadata.java:61)
        at
org.apache.maven.artifact.repository.layout.DefaultRepositoryLayout.pathOfLocalRepositoryMetadata(DefaultRepositoryLayout.java:72)
        at
org.apache.maven.artifact.repository.DefaultArtifactRepository.pathOfLocalRepositoryMetadata(DefaultArtifactRepository.java:129)
        at
org.apache.maven.shared.repository.DefaultRepositoryAssembler.assembleRepositoryMetadata(DefaultRepositoryAssembler.java:487)
        at
org.apache.maven.shared.repository.DefaultRepositoryAssembler.buildRemoteRepository(DefaultRepositoryAssembler.java:231)
        at
org.apache.maven.plugin.assembly.archive.phase.RepositoryAssemblyPhase.execute(RepositoryAssemblyPhase.java:100)
        at
org.apache.maven.plugin.assembly.archive.DefaultAssemblyArchiver.createArchive(DefaultAssemblyArchiver.java:189)
        at
org.apache.maven.plugin.assembly.mojos.AbstractAssemblyMojo.execute(AbstractAssemblyMojo.java:409)
        at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)


Any idea what might be wrong ?

I am using Maven 3.0.3:
> mvn --version
Apache Maven 3.0.3 (r1075438; 2011-02-28 18:31:09+0100)
Maven home: /home/wdb/Programs/apache-maven-3.0.3
Java version: 1.6.0_24, vendor: Sun Microsystems Inc.
Java home: /usr/lib/jvm/java-6-sun-1.6.0.24/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "2.6.35-27-generic", arch: "i386", family: "unix"



regards,

Wim

Re: NullPointerException in maven assembly plugin

Posted by ernsyn <er...@hotmail.com>.
I had the same issue and after some digging, I found out the NPE was caused
by <mirrors>....</mirrors> tag in my settings.xml. I removed that entry and
the NPE is gone. 

Hope this helps.

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Re: NullPointerException in maven assembly plugin

Posted by Olivier Lamy <ol...@apache.org>.
Hello,
Do you have same exception outside Jenkins ?

Thanks
-- 
Olivier Lamy
http://twitter.com/olamy
http://www.linkedin.com/in/olamy

2011/3/14 Wim Deblauwe <wi...@gmail.com>:
> Hi,
>
> I am upgrading my projects from maven 2 to maven 3 and most of them are
> fine. However, there is one project that gives a NullPointerException during
> the assembly:
>
> maven builder waiting
> mavenExecutionResult exceptions not empty
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
> goal org.apache.maven.plugins:maven-assembly-plugin:2.2:single (make
> zipfile) on project plugin-sdk-assembly: Execution make zipfile of goal
> org.apache.maven.plugins:maven-assembly-plugin:2.2: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:319)
>        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
>        at
> org.jvnet.hudson.maven3.launcher.Maven3Launcher.main(Maven3Launcher.java:79)
>        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.launchStandard(Launcher.java:329)
>        at
> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:239)
>        at
> org.jvnet.hudson.maven3.agent.Maven3Main.launch(Maven3Main.java:145)
>        at hudson.maven.Maven3Builder.call(Maven3Builder.java:124)
>        at hudson.maven.Maven3Builder.call(Maven3Builder.java:71)
>        at hudson.remoting.UserRequest.perform(UserRequest.java:114)
>        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
>        at hudson.remoting.Request$2.run(Request.java:270)
>        at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
>        at
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>        at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>        at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>        at java.lang.Thread.run(Thread.java:619)
> Caused by: org.apache.maven.plugin.PluginExecutionException: Execution make
> zipfile of goal org.apache.maven.plugins:maven-assembly-plugin:2.2:single
> failed.
>        at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
>        at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
>        ... 27 more
> Caused by: java.lang.NullPointerException
>        at
> org.apache.maven.artifact.repository.metadata.AbstractRepositoryMetadata.getLocalFilename(AbstractRepositoryMetadata.java:61)
>        at
> org.apache.maven.artifact.repository.layout.DefaultRepositoryLayout.pathOfLocalRepositoryMetadata(DefaultRepositoryLayout.java:72)
>        at
> org.apache.maven.artifact.repository.DefaultArtifactRepository.pathOfLocalRepositoryMetadata(DefaultArtifactRepository.java:129)
>        at
> org.apache.maven.shared.repository.DefaultRepositoryAssembler.assembleRepositoryMetadata(DefaultRepositoryAssembler.java:487)
>        at
> org.apache.maven.shared.repository.DefaultRepositoryAssembler.buildRemoteRepository(DefaultRepositoryAssembler.java:231)
>        at
> org.apache.maven.plugin.assembly.archive.phase.RepositoryAssemblyPhase.execute(RepositoryAssemblyPhase.java:100)
>        at
> org.apache.maven.plugin.assembly.archive.DefaultAssemblyArchiver.createArchive(DefaultAssemblyArchiver.java:189)
>        at
> org.apache.maven.plugin.assembly.mojos.AbstractAssemblyMojo.execute(AbstractAssemblyMojo.java:409)
>        at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
>
>
> Any idea what might be wrong ?
>
> I am using Maven 3.0.3:
>> mvn --version
> Apache Maven 3.0.3 (r1075438; 2011-02-28 18:31:09+0100)
> Maven home: /home/wdb/Programs/apache-maven-3.0.3
> Java version: 1.6.0_24, vendor: Sun Microsystems Inc.
> Java home: /usr/lib/jvm/java-6-sun-1.6.0.24/jre
> Default locale: en_US, platform encoding: UTF-8
> OS name: "linux", version: "2.6.35-27-generic", arch: "i386", family: "unix"
>
>
>
> regards,
>
> Wim
>

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