| Re: [m2e-users] Cannot enable Maven on a java project |
I have attached a zip with a tiny simple project that fails with the log below: !ENTRY org.eclipse.core.resources 4 75 2011-11-16 08:48:39.360 !MESSAGE Errors occurred during the build. !SUBENTRY 1 org.eclipse.m2e.core 4 75 2011-11-16 08:48:39.360 !MESSAGE Errors running builder 'Maven Project Builder' on project 'test'. !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.registry.MavenProjectManager.refresh(Unknown Source) at org.eclipse.m2e.core.internal.builder.MavenBuilder.build(Unknown Source) at org.eclipse.core.internal.events.BuildManager$2.run(Unknown Source) at org.eclipse.core.runtime.SafeRunner.run(Unknown Source) at org.eclipse.core.internal.events.BuildManager.basicBuild(Unknown Source) at org.eclipse.core.internal.events.BuildManager.basicBuild(Unknown Source) at org.eclipse.core.internal.events.BuildManager$1.run(Unknown Source) at org.eclipse.core.runtime.SafeRunner.run(Unknown Source) at org.eclipse.core.internal.events.BuildManager.basicBuild(Unknown Source) at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(Unknown Source) at org.eclipse.core.internal.events.BuildManager.build(Unknown Source) at org.eclipse.core.internal.events.AutoBuildJob.doBuild(Unknown Source) at org.eclipse.core.internal.events.AutoBuildJob.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 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 Bjørn Willy Arntzen Sendt: 16. november 2011 07:56 Til: Maven Integration for Eclipse users mailing list Emne: Re: [m2e-users] Cannot enable Maven on a java project I did check out an another project ( which is a just fine maven single module java project) and the same error occurred. How do I go from here to provide a sample ? 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: 11. november 2011 12:13 Til: m2e-users@xxxxxxxxxxx Emne: Re: [m2e-users] Cannot enable Maven on a java project 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 > _______________________________________________ > m2e-users mailing list > m2e-users@xxxxxxxxxxx > https://dev.eclipse.org/mailman/listinfo/m2e-users > _______________________________________________ > m2e-users mailing list > m2e-users@xxxxxxxxxxx > https://dev.eclipse.org/mailman/listinfo/m2e-users _______________________________________________ m2e-users mailing list m2e-users@xxxxxxxxxxx https://dev.eclipse.org/mailman/listinfo/m2e-users _______________________________________________ m2e-users mailing list m2e-users@xxxxxxxxxxx https://dev.eclipse.org/mailman/listinfo/m2e-users
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