Looks like WTP does not like content of Maven Dependencies classpath
container for some reason. Can you please submit a bugreport in JIRA [1]
and provide sample project(s) to demonstrate the problem? As usual, it'd
be nice if you could follow [2]
[1] http://jira.codehaus.org/browse/MNGECLIPSE
[2] http://docs.codehaus.org/display/M2ECLIPSE/Reporting+Issues
Henri Gomez wrote:
this error came also from m2eclipse (update maven dependencies)
java.lang.NullPointerException
at
org.eclipse.wst.common.componentcore.internal.resources.VirtualResource.getReadOnlyComponent(VirtualResource.java:319)
at
org.eclipse.wst.common.componentcore.internal.resources.VirtualResource.getProjectRelativePaths(VirtualResource.java:116)
at
org.eclipse.wst.common.componentcore.internal.resources.VirtualFile.getUnderlyingFiles(VirtualFile.java:104)
at
org.eclipse.wst.common.componentcore.internal.resources.VirtualFile.getUnderlyingResources(VirtualFile.java:93)
at
org.eclipse.wst.common.componentcore.internal.resources.VirtualResource.exists(VirtualResource.java:86)
at
org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getManifestClasspath(J2EEModuleVirtualComponent.java:129)
at
org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getManifestReferences(J2EEModuleVirtualComponent.java:244)
at
org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:86)
at
org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:79)
at
org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathContainer.update(J2EEComponentClasspathContainer.java:163)
at
org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathContainer.install(J2EEComponentClasspathContainer.java:302)
at
org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathInitializer.initialize(J2EEComponentClasspathInitializer.java:29)
at
org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2220)
at
org.eclipse.jdt.internal.core.JavaModelManager$9.run(JavaModelManager.java:2150)
at
org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1797)
at
org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2166)
at
org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1544)
at
org.eclipse.jdt.core.JavaCore.getClasspathContainer(JavaCore.java:1571)
at
org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2558)
at
org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:1848)
at
org.eclipse.jdt.internal.core.DeltaProcessingState.initializeRoots(DeltaProcessingState.java:202)
at
org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:717)
at
org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1797)
at
org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:785)
at
org.eclipse.jdt.core.JavaCore.setClasspathContainer(JavaCore.java:4519)
at
org.maven.ide.eclipse.project.BuildPathManager.updateClasspath(BuildPathManager.java:240)
at
org.maven.ide.eclipse.project.BuildPathManager.mavenProjectChanged(BuildPathManager.java:227)
at
org.maven.ide.eclipse.internal.project.MavenProjectManagerImpl.notifyProjectChangeListeners(MavenProjectManagerImpl.java:683)
at
org.maven.ide.eclipse.internal.project.MavenProjectManagerImpl.refresh(MavenProjectManagerImpl.java:369)
at
org.maven.ide.eclipse.internal.project.MavenProjectManagerRefreshJob.run(MavenProjectManagerRefreshJob.java:80)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
2008/7/24 Henri Gomez <[EMAIL PROTECTED]>:
Since I upgraded to m2eclipse 0.9.5 and imported many more projects on
my workspace I see this error more and more often :
java.lang.NullPointerException
at
org.eclipse.wst.common.componentcore.internal.resources.VirtualResource.getReadOnlyComponent(VirtualResource.java:319)
at
org.eclipse.wst.common.componentcore.internal.resources.VirtualResource.getProjectRelativePaths(VirtualResource.java:116)
at
org.eclipse.wst.common.componentcore.internal.resources.VirtualFile.getUnderlyingFiles(VirtualFile.java:104)
at
org.eclipse.wst.common.componentcore.internal.resources.VirtualFile.getUnderlyingResources(VirtualFile.java:93)
at
org.eclipse.wst.common.componentcore.internal.resources.VirtualResource.exists(VirtualResource.java:86)
at
org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getManifestClasspath(J2EEModuleVirtualComponent.java:129)
at
org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getManifestReferences(J2EEModuleVirtualComponent.java:244)
at
org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:86)
at
org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:79)
at
org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathContainer.update(J2EEComponentClasspathContainer.java:163)
at
org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathContainer.install(J2EEComponentClasspathContainer.java:302)
at
org.eclipse.jst.j2ee.internal.common.classpath.J2EEComponentClasspathInitializer.initialize(J2EEComponentClasspathInitializer.java:29)
at
org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2220)
at
org.eclipse.jdt.internal.core.JavaModelManager$9.run(JavaModelManager.java:2150)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1797)
at
org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2166)
at
org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1544)
at
org.eclipse.jdt.core.JavaCore.getClasspathContainer(JavaCore.java:1571)
at
org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2558)
at
org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:1848)
at
org.eclipse.jdt.internal.core.DeltaProcessingState.initializeRoots(DeltaProcessingState.java:202)
at
org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:717)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1797)
at
org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:785)
at
org.eclipse.jdt.core.JavaCore.setClasspathContainer(JavaCore.java:4519)
at
org.eclipse.jdt.internal.launching.JREContainerInitializer.initialize(JREContainerInitializer.java:69)
at
org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2220)
at
org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1546)
at
org.eclipse.jdt.core.JavaCore.getClasspathContainer(JavaCore.java:1571)
at
org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2558)
at
org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:1873)
at
org.eclipse.jst.j2ee.classpathdep.ClasspathDependencyUtil.getComponentClasspathDependencies(ClasspathDependencyUtil.java:187)
at
org.eclipse.jst.j2ee.classpathdep.ClasspathDependencyUtil.getComponentClasspathDependencies(ClasspathDependencyUtil.java:144)
at
org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getJavaClasspathReferences(J2EEModuleVirtualComponent.java:179)
at
org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getNonManifestReferences(J2EEModuleVirtualComponent.java:116)
at
org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:83)
at
org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:79)
at
org.eclipse.wst.common.componentcore.internal.builder.DependencyGraphManager.getDependencyReferences(DependencyGraphManager.java:200)
at
org.eclipse.wst.common.componentcore.internal.builder.DependencyGraphManager.buildDependencyGraph(DependencyGraphManager.java:176)
at
org.eclipse.wst.common.componentcore.internal.builder.DependencyGraphManager.constructIfNecessary(DependencyGraphManager.java:77)
at
org.eclipse.wst.common.componentcore.internal.builder.DependencyGraphManager.getDependencyGraph(DependencyGraphManager.java:252)
at
org.eclipse.wst.common.componentcore.internal.resources.VirtualComponent.getReferencingComponents(VirtualComponent.java:430)
at
org.eclipse.jst.j2ee.project.facet.EarFacetValidator.validate(EarFacetValidator.java:75)
at
org.eclipse.wst.common.project.facet.core.internal.FacetedProjectValidationBuilder.build(FacetedProjectValidationBuilder.java:129)
at
org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:624)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:166)
at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:197)
at
org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:246)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
at
org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:249)
at
org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:302)
at
org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:334)
at
org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:137)
at
org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:235)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
I'm using Eclipse 3.3.2 and 0.9.5.
It happens for example when I select cleanup project.
Any ideas ?
Thanks
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