Even with a fresh install on my desktop I get this exception. These machines are identical: same os, same jvm, same eclipse setup, etc... Any pointers on what might be causing this error?
On Fri, Jul 22, 2011 at 9:35 AM, Collin Peters < [email protected]> wrote: > Grrrr... I get an exception on my webapp project on my desktop. I guess I > will trying to install a fresh copy of all this stuff there. My test > involved rsync'ing my eclipse install and workspace over which should work > but I guess isn't a good test > > I got this error in my .log > !ENTRY org.eclipse.core.resources 4 2 2011-07-22 09:33:56.714 > !MESSAGE Problems occurred when invoking code from plug-in: > "org.eclipse.core.resources". > !STACK 0 > java.lang.NullPointerException > at > org.eclipse.wst.common.componentcore.internal.resources.VirtualComponent.setReferences(VirtualComponent.java:499) > at > org.maven.ide.eclipse.wtp.WebProjectConfiguratorDelegate.setModuleDependencies(WebProjectConfiguratorDelegate.java:280) > at > org.maven.ide.eclipse.wtp.WTPProjectConfigurator.mavenProjectChanged(WTPProjectConfigurator.java:76) > at > org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.mavenProjectChanged(ProjectConfigurationManager.java:753) > at > org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.notifyProjectChangeListeners(ProjectRegistryManager.java:724) > at > org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.applyMutableProjectRegistry(ProjectRegistryManager.java:847) > at > org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:280) > at > org.eclipse.m2e.core.internal.project.registry.MavenProjectManager.refresh(MavenProjectManager.java:58) > at > org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:120) > at > org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:629) > at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:172) > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:203) > at > org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:255) > at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:258) > at > org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:311) > at > org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:343) > at > org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144) > at > org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:242) > at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) > > !ENTRY org.eclipse.core.resources 4 75 2011-07-22 09:33:56.715 > !MESSAGE Errors occurred during the build. > !SUBENTRY 1 org.eclipse.m2e.core 4 75 2011-07-22 09:33:56.715 > !MESSAGE Errors running builder 'Maven Project Builder' on project > 'intouch-webapp'. > !STACK 0 > java.lang.NullPointerException > at > org.eclipse.wst.common.componentcore.internal.resources.VirtualComponent.setReferences(VirtualComponent.java:499) > at > org.maven.ide.eclipse.wtp.WebProjectConfiguratorDelegate.setModuleDependencies(WebProjectConfiguratorDelegate.java:280) > at > org.maven.ide.eclipse.wtp.WTPProjectConfigurator.mavenProjectChanged(WTPProjectConfigurator.java:76) > at > org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.mavenProjectChanged(ProjectConfigurationManager.java:753) > at > org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.notifyProjectChangeListeners(ProjectRegistryManager.java:724) > at > org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.applyMutableProjectRegistry(ProjectRegistryManager.java:847) > at > org.eclipse.m2e.core.internal.project.registry.ProjectRegistryManager.refresh(ProjectRegistryManager.java:280) > at > org.eclipse.m2e.core.internal.project.registry.MavenProjectManager.refresh(MavenProjectManager.java:58) > at > org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:120) > at > org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:629) > at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:172) > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:203) > at > org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:255) > at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) > at > org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:258) > at > org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:311) > at > org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:343) > at > org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144) > at > org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:242) > at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) > > !ENTRY org.eclipse.core.resources 4 368 2011-07-22 09:33:57.412 > > > > On Fri, Jul 22, 2011 at 9:24 AM, Collin Peters < > [email protected]> wrote: > >> Uhhh.... weird. I just re-installed (Helios/1.0/0.13.0.20110623-0455 BTW) >> m2e-wtp as I had un-installed it to test Webby (I wasn't sure if they >> conflicted). Now things are working. The Tomcat wtpwebapps folder has all >> the correct jars and I didn't have to do anything else. This was quite >> surprising as I had numerous other weird issues that also seem to have >> vanished. >> >> Not sure what to say right now :O I'm going to try to migrate my setup to >> my desktop. Currently it is working on my laptop and I'll see if I have any >> issues >> >> Collin >> >> >> On Fri, Jul 22, 2011 at 1:31 AM, Fred Bricon <[email protected]> wrote: >> >>> Stefan, I suspect the provided dependencies are deployed because you >>> manually added the Maven Libraries to the deployment assembly. But I'm not >>> sure. >>> >>> If you guys can try to reproduce the issue using a sample project, that'd >>> be helpful. You can try by trimming down your app (remove any code), remove >>> references to any proprietary plugins / dependencies, obfuscate some names >>> or whatever you don't wanna see publicized. >>> >>> I'd be happy to help but really, I need you guys. >>> >>> regards, >>> >>> Fred Bricon >>> >>> >>> 2011/7/22 Stefan Thurnherr <[email protected]> >>> >>>> Hi >>>> >>>> I completely agree with you - I've also tried to move to Eclipse Indigo >>>> with m2e 1.0 and m2e-wtp 0.13.1 - but gave up after some time. >>>> >>>> The problem you see can be solved by adding the Maven Dependencies to >>>> the Deployment Assembly: Right-click on your web project > Properties > >>>> Deployment Assembly > Add > Java Build Path Entries > Maven Dependencies. >>>> >>>> The problem that then remains (at least for me) is this bug: >>>> https://issues.sonatype.org/browse/MECLIPSEWTP-126 >>>> >>>> HTH, >>>> stefan. >>>> >>>> On Fri, Jul 22, 2011 at 1:50 AM, Collin Peters < >>>> [email protected]> wrote: >>>> >>>>> I am having a real tough time trying to migrate our existing app which >>>>> consists of about 10 java projects with 1 java webapp project. Installing >>>>> eclipse and just m2e is fine but as soon as I install m2e-wtp I either get >>>>> errors or things generally aren't working. I'll start with my current >>>>> issue >>>>> but I may have some follow-ups. >>>>> >>>>> Before the migration I deleted all my existing Eclipse project files >>>>> (.classpath, .project, .settings/) and then used the 'Import Existing >>>>> Maven >>>>> Projects' option. After the import I had a number of errors which I have >>>>> all >>>>> now fixed. I had to restructure a number of things but ultimately I am >>>>> happy >>>>> with all those modifications. >>>>> >>>>> When I create a new (Tomcat) Server I select the option 'Use Tomcat >>>>> Installation'. When I look in the >>>>> <tomcat>/wtpwebapps/intouch-webapp/WEB-INF/lib folder I only see my >>>>> internal >>>>> project dependencies (i.e. the 10 jars from the 10 projects). I don't see >>>>> any of my external dependancies such as Spring, commons*, ehcache, joda, >>>>> etc... In previous versions of m2eclipse I always saw all the project >>>>> dependencies. >>>>> >>>>> Any ideas? >>>>> >>>>> Collin Peters >>>>> >>>>> _______________________________________________ >>>>> m2e-users mailing list >>>>> [email protected] >>>>> https://dev.eclipse.org/mailman/listinfo/m2e-users >>>>> >>>>> >>>> >>>> _______________________________________________ >>>> m2e-users mailing list >>>> [email protected] >>>> https://dev.eclipse.org/mailman/listinfo/m2e-users >>>> >>>> >>> >>> >>> -- >>> "Have you tried turning it off and on again" - The IT Crowd >>> >>> _______________________________________________ >>> m2e-users mailing list >>> [email protected] >>> https://dev.eclipse.org/mailman/listinfo/m2e-users >>> >>> >> >
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