Hey Guys, I am using the maven-jar plugin to create the test jar, but getting an exception like below. I am running this with maven 3.0.2, jdk 1.6.0_24 and have tried various versions for maven-jar plugin(currently at 2.2), but all end up with same error as below. It actually does the build the test.jar, but fails with the error below.
This looked relevant, but did not find a resolution http://jira.codehaus.org/browse/MNG-2899 Any ideas? Thanks Amit [ERROR] Failed to execute goal org.apache.maven.plugins:maven-jar-plugin:2.2:test-jar (default) on project coke_chunks_hbase: Execution default of goal org.apache.maven.plugins:maven-jar-plugin:2.2:test-jar failed. NullPointerException -> [Help 1] org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-jar-plugin:2.2:test-jar (default) on project coke_chunks_hbase: Execution default of goal org.apache.maven.plugins:maven-jar-plugin:2.2:test-jar 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.apache.maven.cli.MavenCli.execute(MavenCli.java:534) 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: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.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-jar-plugin:2.2:test-jar failed. at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:116) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209) ... 19 more Caused by: java.lang.NullPointerException at org.apache.maven.project.artifact.AttachedArtifact.getVersion(AttachedArtifact.java:137) at org.apache.maven.artifact.DefaultArtifact.validateIdentity(DefaultArtifact.java:148) at org.apache.maven.artifact.DefaultArtifact.<init>(DefaultArtifact.java:123) at org.apache.maven.project.artifact.AttachedArtifact.<init>(AttachedArtifact.java:48) at org.apache.maven.project.DefaultMavenProjectHelper.attachArtifact(DefaultMavenProjectHelper.java:60) at org.apache.maven.plugin.jar.AbstractJarMojo.execute(AbstractJarMojo.java:242) at org.apache.maven.plugin.jar.TestJarMojo.execute(TestJarMojo.java:85) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:107) ... 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 Thanks Amit
