| Re: [m2e-users] Import a maven Project into eclipse (Indigo) throws a Nullpointer exception |
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Thank you for your Help. I found the Problem. A missing groupId in the pluginExecutionFilter for the artifact maven-antrun-plugin cause the Nullpointer exception. <pluginManagement> <plugins> <!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself. --> <plugin> <groupId>org.eclipse.m2e</groupId> <artifactId>lifecycle-mapping</artifactId> <version>1.0.0</version> <configuration> <lifecycleMappingMetadata> <pluginExecutions> <pluginExecution> <pluginExecutionFilter> <groupId>org.apache.maven.plugins</groupId> ß I forgot this groupId <artifactId>maven-dependency-plugin</artifactId> <versionRange>[2.1,)</versionRange> <goals> <goal>unpack</goal> <goal>copy-dependencies</goal> </goals> </pluginExecutionFilter> <action> <ignore /> </action> </pluginExecution> <pluginExecution> <pluginExecutionFilter> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-antrun-plugin</artifactId> <versionRange>[1.0,)</versionRange> <goals> <goal>run</goal> </goals> From: m2e-users-bounces@xxxxxxxxxxx [mailto:m2e-users-bounces@xxxxxxxxxxx] On Behalf Of Matthew Piggott Is the lifecycle mapping complete? I recall something similar with an incomplete entry (e.g. missing version) in the pom. On 2 November 2012 04:04, Gaetano Zapparrata <gaetano.zapparrata@xxxxxxxxxxxxx> wrote: Hi, I tried to upgrade our developer Tools to the following versions: Eclipse indigo M2e eclipse maven plugin 1.2.0 Maven 3.0.4 Now I have a problem to import any of our eclipse projects into eclipse. I receive some Nullpointer exceptions during the import. We use parent pom files in the project base/ |-- common-base | |-- shared-common-base | | `-- pom.xml | `-- pom.xml `-- pom.xml Any Idea? Regards Gaetano !ENTRY org.eclipse.core.jobs 4 2 2012-11-02 07:58:54.340 !MESSAGE An internal error occurred during: "Importing Maven projects". !STACK 0 java.lang.NullPointerException at org.eclipse.m2e.core.internal.lifecyclemapping.model.PluginExecutionFilter.match(PluginExecutionFilter.java:323) at org.eclipse.m2e.core.internal.lifecyclemapping.SimpleMappingMetadataSource.getPluginExecutionMetadata(SimpleMappingMetadataSource.java:71) at org.eclipse.m2e.core.internal.lifecyclemapping.LifecycleMappingFactory.calculateEffectiveLifecycleMappingMetadata(LifecycleMappingFactory.java:490) at org.eclipse.m2e.core.internal.lifecyclemapping.LifecycleMappingFactory.calculateEffectiveLifecycleMappingMetadata(LifecycleMappingFactory.java:224) at org.eclipse.m2e.core.internal.lifecyclemapping.LifecycleMappingFactory.calculateLifecycleMapping(LifecycleMappingFactory.java:175) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.setupLifecycleMapping(ProjectRegistryManager.java:527) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:446) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:328) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:279) at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.configureNewMavenProject(ProjectConfigurationManager.java:210) at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.importProjects(ProjectConfigurationManager.java:156) at org.eclipse.m2e.core.ui.internal.wizards.MavenImportWizard$1.doCreateMavenProjects(MavenImportWizard.java:171) at org.eclipse.m2e.core.ui.internal.wizards.AbstractCreateMavenProjectsOperation.run(AbstractCreateMavenProjectsOperation.java:73) at org.eclipse.m2e.core.ui.internal.wizards.MavenImportWizard$3.runInWorkspace(MavenImportWizard.java:256) at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) !ENTRY org.eclipse.core.resources 4 2 2012-11-02 07:58:54.890 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.core.resources". !STACK 0 java.lang.NullPointerException at org.eclipse.m2e.core.internal.lifecyclemapping.model.PluginExecutionFilter.match(PluginExecutionFilter.java:323) at org.eclipse.m2e.core.internal.lifecyclemapping.SimpleMappingMetadataSource.getPluginExecutionMetadata(SimpleMappingMetadataSource.java:71) at org.eclipse.m2e.core.internal.lifecyclemapping.LifecycleMappingFactory.calculateEffectiveLifecycleMappingMetadata(LifecycleMappingFactory.java:490) at org.eclipse.m2e.core.internal.lifecyclemapping.LifecycleMappingFactory.calculateEffectiveLifecycleMappingMetadata(LifecycleMappingFactory.java:224) at org.eclipse.m2e.core.internal.lifecyclemapping.LifecycleMappingFactory.calculateLifecycleMapping(LifecycleMappingFactory.java:175) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.setupLifecycleMapping(ProjectRegistryManager.java:527) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:446) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:328) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:279) at org.eclipse.m2e.core.internal.project.registry.MavenProjectManager.refresh(MavenProjectManager.java:58) at org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:87) at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239) at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295) at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351) at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374) at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143) at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) !ENTRY org.eclipse.core.resources 4 75 2012-11-02 07:58:54.900 !MESSAGE Errors occurred during the build. !SUBENTRY 1 org.eclipse.m2e.core 4 75 2012-11-02 07:58:54.900 !MESSAGE Errors running builder 'Maven Project Builder' on project 'common-shared'. !STACK 0 java.lang.NullPointerException at org.eclipse.m2e.core.internal.lifecyclemapping.model.PluginExecutionFilter.match(PluginExecutionFilter.java:323) at org.eclipse.m2e.core.internal.lifecyclemapping.SimpleMappingMetadataSource.getPluginExecutionMetadata(SimpleMappingMetadataSource.java:71) at org.eclipse.m2e.core.internal.lifecyclemapping.LifecycleMappingFactory.calculateEffectiveLifecycleMappingMetadata(LifecycleMappingFactory.java:490) at org.eclipse.m2e.core.internal.lifecyclemapping.LifecycleMappingFactory.calculateEffectiveLifecycleMappingMetadata(LifecycleMappingFactory.java:224) at org.eclipse.m2e.core.internal.lifecyclemapping.LifecycleMappingFactory.calculateLifecycleMapping(LifecycleMappingFactory.java:175) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.setupLifecycleMapping(ProjectRegistryManager.java:527) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:446) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:328) at org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:279) at org.eclipse.m2e.core.internal.project.registry.MavenProjectManager.refresh(MavenProjectManager.java:58) at org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:87) at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239) at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295) at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351) at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374) at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143) at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) !ENTRY org.eclipse.m2e.logback.appender 4 0 2012-11-02 07:58:55.281 !MESSAGE
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