[m2e-users] Import a maven Project into eclipse (Indigo) throws a Nullpo

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[m2e-users] Import a maven Project into eclipse (Indigo) throws a Nullpointer exception

From: Gaetano Zapparrata <gaetano.zapparrata@xxxxxxxxxxxxx>
Date: Fri, 2 Nov 2012 09:04:20 +0100
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Thread-index: Ac240KmmPQ2rTBPpQ7ybo1h1BBO+xg==
Thread-topic: Import a maven Project into eclipse (Indigo) throws a Nullpointer exception

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".