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Date: Tue, 27 Sep 2011 18:47:45 +0000 (UTC)
From: "Dmytro Pishchukhin (Commented) (JIRA)" <jira@apache.org>
To: dev@felix.apache.org
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Subject: [jira] [Commented] (FELIX-3113) NPE in multi-module Maven project
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    [ https://issues.apache.org/jira/browse/FELIX-3113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13115793#comment-13115793 ] 

Dmytro Pishchukhin commented on FELIX-3113:
-------------------------------------------

Unfortunately, I cannot attach any test project, because I've tested only on my real project. 

There is a multi-module Maven project. Almost all modules are OSGi bundles (bundle packaging + maven-bundle-plugin). I've tried to configure scr-plugin in my root pom for all submodules. It works fine if I build only one submodule (even non-OSGI - normal JAR packaging). When I've tried to build whole project I've got above exception in a normal-JAR submodule. 
                
> NPE in multi-module Maven project
> ---------------------------------
>
>                 Key: FELIX-3113
>                 URL: https://issues.apache.org/jira/browse/FELIX-3113
>             Project: Felix
>          Issue Type: Bug
>          Components: Maven SCR Plugin
>    Affects Versions: maven-scr-plugin-1.7.2
>         Environment: Windows Vista, Java 6, Maven 3.0.3
>            Reporter: Dmytro Pishchukhin
>            Priority: Critical
>
> Execution generate-scr-scrdescriptor of goal org.apache.felix:maven-scr-plugin:1.7.2:scr 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: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(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>         at java.lang.reflect.Method.invoke(Unknown Source)
>         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 generate-scr-scrdescriptor of goal org.apache.felix:maven-scr-plugin:1.7.2:scr 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.felix.scrplugin.JavaClassDescriptorManager.getJavaClassDescription(JavaClassDescriptorManager.java:435)
>         at org.apache.felix.scrplugin.tags.qdox.QDoxJavaClassDescription.getSuperClass(QDoxJavaClassDescription.java:62)
>         at org.apache.felix.scrplugin.tags.JavaClassDescriptionInheritanceComparator.compare(JavaClassDescriptionInheritanceComparator.java:58)
>         at org.apache.felix.scrplugin.tags.JavaClassDescriptionInheritanceComparator.compare(JavaClassDescriptionInheritanceComparator.java:40)
>         at java.util.Arrays.mergeSort(Unknown Source)
>         at java.util.Arrays.sort(Unknown Source)
>         at org.apache.felix.scrplugin.SCRDescriptorGenerator.execute(SCRDescriptorGenerator.java:235)
>         at org.apache.felix.scrplugin.mojo.SCRDescriptorMojo.execute(SCRDescriptorMojo.java:184)
>         at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
>         ... 20 more

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