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https://issues.apache.org/jira/browse/MJAR-192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17957265#comment-17957265
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Matthias Bünger commented on MJAR-192:
--------------------------------------
This project has moved from Jira to GitHub Issues. This issue was migrated to
[apache/maven-jar-plugin#354|https://github.com/apache/maven-jar-plugin/issues/354].
> Sporadic NPE in maven-jar-plugin:2.5:jar
> ----------------------------------------
>
> Key: MJAR-192
> URL: https://issues.apache.org/jira/browse/MJAR-192
> Project: Maven JAR Plugin (Moved to GitHub Issues)
> Issue Type: Bug
> Affects Versions: 2.5
> Environment: win 2008 server x64 java 8u25 maven 3.2.5
> Reporter: Alexander Ashitkin
> Priority: Major
>
> Strange npe at jar goal:
> {code}
> 16:41:50 [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-jar-plugin:2.5:jar (default-jar) on project
> my-model: Error assembling JAR: NullPointerException -> [Help 1]
> 16:41:50 org.apache.maven.lifecycle.LifecycleExecutionException: Failed to
> execute goal org.apache.maven.plugins:maven-jar-plugin:2.5:jar (default-jar)
> on project my-model: Error assembling JAR
> 16:41:50 at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)
> 16:41:50 at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
> 16:41:50 at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
> 16:41:50 at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
> 16:41:50 at
> org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:188)
> 16:41:50 at
> org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:184)
> 16:41:50 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 16:41:50 at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> 16:41:50 at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 16:41:50 at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 16:41:50 at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 16:41:50 at java.lang.Thread.run(Thread.java:745)
> 16:41:50 Caused by: org.apache.maven.plugin.MojoExecutionException: Error
> assembling JAR
> 16:41:50 at
> org.apache.maven.plugin.jar.AbstractJarMojo.createArchive(AbstractJarMojo.java:233)
> 16:41:50 at
> org.apache.maven.plugin.jar.AbstractJarMojo.execute(AbstractJarMojo.java:251)
> 16:41:50 at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
> 16:41:50 at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
> 16:41:50 ... 11 more
> 16:41:50 Caused by: java.lang.NullPointerException
> 16:41:50 at
> org.apache.maven.project.MavenProject.getArtifacts(MavenProject.java:715)
> 16:41:50 at
> org.apache.maven.project.MavenProject.deepCopy(MavenProject.java:1218)
> 16:41:50 at
> org.apache.maven.project.MavenProject.<init>(MavenProject.java:197)
> 16:41:50 at
> org.apache.maven.archiver.MavenArchiver.createArchive(MavenArchiver.java:501)
> 16:41:50 at
> org.apache.maven.plugin.jar.AbstractJarMojo.createArchive(AbstractJarMojo.java:226)
> 16:41:50 ... 14 more
> {code}
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