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I'm getting the following exception during normal Eclipse startup. I'm using dropins folder to install two plugins (although it doesn't seem to be related to this issue). -- Error Details -- Date: Sat Jul 18 10:06:10 IRDT 2009 Message: An internal error occurred during: "Initializing Java Tooling". Severity: Error Product: Eclipse 1.2.0.20090618-0904 (org.eclipse.epp.package.jee.product) Plugin: org.eclipse.core.jobs Session Data: eclipse.buildId=I20090611-1540 java.version=1.6.0_07 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US Framework arguments: -product org.eclipse.epp.package.jee.product Command-line arguments: -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product Exception Stack Trace: java.lang.NullPointerException at org.eclipse.jdt.internal.junit.buildpath.P2Utils.getBundlesFromFile(P2Utils.java:125) at org.eclipse.jdt.internal.junit.buildpath.P2Utils.readBundles(P2Utils.java:69) at org.eclipse.jdt.internal.junit.buildpath.P2Utils.findBundle(P2Utils.java:166) at org.eclipse.jdt.internal.junit.buildpath.BuildPathSupport$JUnitPluginDescription.getLibraryEntry(BuildPathSupport.java:70) at org.eclipse.jdt.internal.junit.buildpath.BuildPathSupport.getJUnit3LibraryEntry(BuildPathSupport.java:162) at org.eclipse.jdt.internal.junit.buildpath.JUnitContainerInitializer.getNewContainer(JUnitContainerInitializer.java:101) at org.eclipse.jdt.internal.junit.buildpath.JUnitContainerInitializer.initialize(JUnitContainerInitializer.java:90) at org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2608) at org.eclipse.jdt.internal.core.JavaModelManager$11.run(JavaModelManager.java:2514) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1800) at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2554) at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1773) at org.eclipse.jdt.core.JavaCore.getClasspathContainer(JavaCore.java:2652) at org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2561) at org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2662) at org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:1861) at org.eclipse.jdt.internal.core.JavaProject.buildStructure(JavaProject.java:424) at org.eclipse.jdt.internal.core.Openable.generateInfos(Openable.java:258) at org.eclipse.jdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:515) at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:252) at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:238) at org.eclipse.jdt.internal.core.JavaElement.getChildren(JavaElement.java:193) at org.eclipse.jdt.internal.core.JavaProject.getPackageFragmentRoots(JavaProject.java:1756) at org.eclipse.jst.j2ee.internal.project.J2EEProjectUtilities.getSourceContainers(J2EEProjectUtilities.java:858) at org.eclipse.jst.j2ee.internal.project.J2EEProjectUtilities.getOutputContainers(J2EEProjectUtilities.java:895) at org.eclipse.jst.j2ee.internal.project.J2EEProjectUtilities.getAllOutputContainers(J2EEProjectUtilities.java:931) at org.eclipse.jst.j2ee.internal.classpathdep.ClasspathDependencyValidator$ClasspathDependencyValidatorData.<init>(ClasspathDependencyValidator.java:222) at org.eclipse.jst.j2ee.classpathdep.ClasspathDependencyUtil.getComponentClasspathDependencies(ClasspathDependencyUtil.java:266) at org.eclipse.jst.j2ee.classpathdep.ClasspathDependencyUtil.getComponentClasspathDependencies(ClasspathDependencyUtil.java:247) at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getJavaClasspathReferences(J2EEModuleVirtualComponent.java:199) at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getNonManifestReferences(J2EEModuleVirtualComponent.java:133) at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:100) at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:96) at org.eclipse.jst.common.jdt.internal.classpath.FlexibleProjectContainer.computeClasspathEntries(FlexibleProjectContainer.java:181) at org.eclipse.jst.common.jdt.internal.classpath.FlexibleProjectContainer.<init>(FlexibleProjectContainer.java:122) at org.eclipse.jst.j2ee.internal.web.classpath.WebAppLibrariesContainer.<init>(WebAppLibrariesContainer.java:48) at org.eclipse.jst.j2ee.internal.web.classpath.WebAppLibrariesContainerInitializer.initialize(WebAppLibrariesContainerInitializer.java:34) at org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2608) at org.eclipse.jdt.internal.core.JavaModelManager$11.run(JavaModelManager.java:2514) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1800) at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2554) at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1773) at org.eclipse.jdt.core.JavaCore.initializeAfterLoad(JavaCore.java:3410) at org.eclipse.jdt.internal.ui.InitializeAfterLoadJob$RealJob.run(InitializeAfterLoadJob.java:35) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
I also ran into this exception. I was switching workspaces. eclipse.buildId=I20090611-1540 java.version=1.6.0_13 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US Framework arguments: -product org.eclipse.epp.package.jee.product -product org.eclipse.epp.package.jee.product -product org.eclipse.epp.package.jee.product -product org.eclipse.epp.package.jee.product -product org.eclipse.epp.package.jee.product Command-line arguments: -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product -product org.eclipse.epp.package.jee.product -product org.eclipse.epp.package.jee.product -product org.eclipse.epp.package.jee.product -data C:\Documents and Settings\dxg1\My Documents\eclipseWorkspace6 -product org.eclipse.epp.package.jee.product java.lang.NullPointerException at org.eclipse.jdt.internal.junit.buildpath.P2Utils.getBundlesFromFile(P2Utils.java:125) at org.eclipse.jdt.internal.junit.buildpath.P2Utils.readBundles(P2Utils.java:69) at org.eclipse.jdt.internal.junit.buildpath.P2Utils.findBundle(P2Utils.java:166) at org.eclipse.jdt.internal.junit.buildpath.BuildPathSupport$JUnitPluginDescription.getLibraryEntry(BuildPathSupport.java:70) at org.eclipse.jdt.internal.junit.buildpath.BuildPathSupport.getJUnit4LibraryEntry(BuildPathSupport.java:169) at org.eclipse.jdt.internal.junit.buildpath.JUnitContainerInitializer.getNewContainer(JUnitContainerInitializer.java:103) at org.eclipse.jdt.internal.junit.buildpath.JUnitContainerInitializer.initialize(JUnitContainerInitializer.java:90) at org.eclipse.jdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2608) at org.eclipse.jdt.internal.core.JavaModelManager$11.run(JavaModelManager.java:2514) at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1800) at org.eclipse.jdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2554) at org.eclipse.jdt.internal.core.JavaModelManager.getClasspathContainer(JavaModelManager.java:1773) at org.eclipse.jdt.core.JavaCore.initializeAfterLoad(JavaCore.java:3410) at org.eclipse.jdt.internal.ui.InitializeAfterLoadJob$RealJob.run(InitializeAfterLoadJob.java:35) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
Please switch to M20090708-0800 or later (3.5.1 maintenance stream) or use the patched JUnit JAR from bug 276111 comment 11. *** This bug has been marked as a duplicate of bug 276111 ***
