Re: [m2e-users] Cannot enable Maven on a java project

[Igor Fedorenko <igor@xxxxxxxxxxxxxx>]

This definitely looks like a bug, but we'd need a sample project and
exact steps to reproduce the problem in order to be able to debug it.

--
Regards,
Igor

On 11-11-11 1:43 AM, Bjørn Willy Arntzen wrote:
> Yes, it has. And a mvn clean install from my command line maven, worked fine.
>
> But I found a workaround, it seems. I deleted the project (without removing the files), then I did a Import Existing Maven Project, and that worked.
>
> Normally I just Check Out from SVN and then enables Maven Dependency Management.
>
> I will try this on some other projects, just to check that other projects also has this 'bug' ... ?
>
>
> Med vennlig hilsen
>
> Bjørn Willy Arntzen
> Seniorkonsulent
>
> Kommunal Landspensjonskasse gjensidig forsikringsselskap
> Dronning Eufemias gate 10, 0191 Oslo, Pb 400, Sentrum, 0103 Oslo
> Mob: +4797759007
> www.klp.no
>
> Vennligst tenk på miljøet før du skriver ut denne e-posten
> -----Opprinnelig melding-----
> Fra: m2e-users-bounces@xxxxxxxxxxx [mailto:m2e-users-bounces@xxxxxxxxxxx] På vegne av Igor Fedorenko
> Sendt: 10. november 2011 23:14
> Til: m2e-users@xxxxxxxxxxx
> Emne: Re: [m2e-users] Cannot enable Maven on a java project
>
> Does your project have pom.xml?
>
> --
> Regards,
> Igor
>
> On 11-11-10 4:52 PM, Bjørn Willy Arntzen wrote:
> > I updated my RAD 8.0.3 m2e to v1.1.0.20111108-0328 and that may have
> > broken something.
> >
> > On a plain java project I'm trying to enable Maven, but get this error.
> >
> > !MESSAGE An internal error occurred during: "Enabling Maven Dependency
> > Management".
> >
> > !STACK 0
> >
> > java.lang.NullPointerException
> >
> > at
> > org.eclipse.m2e.core.internal.lifecyclemapping.LifecycleMappingFactory.getMavenPluginEmbeddedMetadataSources(Unknown
> > Source)
> >
> > at
> > org.eclipse.m2e.core.internal.lifecyclemapping.LifecycleMappingFactory.getProjectMetadataSources(Unknown
> > Source)
> >
> > at
> > org.eclipse.m2e.core.internal.lifecyclemapping.LifecycleMappingFactory.calculateEffectiveLifecycleMappingMetadata(Unknown
> > Source)
> >
> > at
> > org.eclipse.m2e.core.internal.lifecyclemapping.LifecycleMappingFactory.calculateLifecycleMapping(Unknown
> > Source)
> >
> > at
> > org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.setupLifecycleMapping(Unknown
> > Source)
> >
> > at
> > org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(Unknown
> > Source)
> >
> > at
> > org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(Unknown
> > Source)
> >
> > at
> > org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(Unknown
> > Source)
> >
> > at
> > org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.configureNewMavenProject(Unknown
> > Source)
> >
> > at
> > org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.enableMavenNature(Unknown
> > Source)
> >
> > at
> > org.eclipse.m2e.core.ui.internal.actions.EnableNatureAction$1.run(Unknown Source)
> >
> > at org.eclipse.core.internal.jobs.Worker.run(Unknown Source)
> >
> > Med vennlig hilsen
> >
> > *Bjørn Willy Arntzen
> > *Seniorkonsulent
> >
> > *
> >
> > Kommunal Landspensjonskasse *gjensidig forsikringsselskap
> > Dronning Eufemias gate 10, 0191 Oslo, Pb 400, Sentrum, 0103 Oslo
> > Mob: +4797759007
> > www.klp.no<http://www.klp.no>
> >
> >
> >
> > _______________________________________________
> > m2e-users mailing list
> > m2e-users@xxxxxxxxxxx
> > https://dev.eclipse.org/mailman/listinfo/m2e-users
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