eclipse启动时报异常，请哪位好心的大侠告诉我怎么解决？谢谢

[d289522401]

Package Explorer里报这个异常。
java.lang.NullPointerException
at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getResource(ResourceSetImpl.java:357)
at org.eclipse.jem.internal.util.emf.workbench.ProjectResourceSetImpl.getResource(ProjectResourceSetImpl.java:262)
at org.eclipse.wst.common.internal.emfworkbench.WorkbenchResourceHelper.getOrCreateResource(WorkbenchResourceHelper.java:384)
....
日志异常：

!ENTRY org.eclipse.jdt.ui 4 2 2008-07-14 16:04:58.031
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jdt.ui".
!STACK 0
java.lang.NullPointerException
at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getResource(ResourceSetImpl.java:357)
at org.eclipse.jem.internal.util.emf.workbench.ProjectResourceSetImpl.getResource(ProjectResourceSetImpl.java:262)
at org.eclipse.wst.common.internal.emfworkbench.WorkbenchResourceHelper.getOrCreateResource(WorkbenchResourceHelper.java:384)
at org.eclipse.wst.common.internal.emfworkbench.integration.EditModel.getResource(EditModel.java:680)
at org.eclipse.wst.common.componentcore.internal.ModuleStructuralModel.getPrimaryResource(ModuleStructuralModel.java:256)
at org.eclipse.wst.common.componentcore.internal.ModuleStructuralModel.prepareProjectModulesIfNecessary(ModuleStructuralModel.java:194)
at org.eclipse.wst.common.componentcore.internal.ModuleStructuralModel.getPrimaryRootObject(ModuleStructuralModel.java:113)
at org.eclipse.wst.common.componentcore.internal.StructureEdit.getComponentModelRoot(StructureEdit.java:442)
at org.eclipse.wst.common.componentcore.internal.StructureEdit.getWorkbenchModules(StructureEdit.java:471)
at org.eclipse.wst.common.componentcore.internal.StructureEdit.getComponent(StructureEdit.java:914)
at org.eclipse.wst.common.componentcore.internal.resources.VirtualComponent.getReferences(VirtualComponent.java:263)
at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getNonManifestReferences(J2EEModuleVirtualComponent.java:77)
at org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualComponent.getReferences(J2EEModuleVirtualComponent.java:60)
at org.eclipse.jst.common.jdt.internal.classpath.FlexibleProjectContainer.computeClasspathEntries(FlexibleProjectContainer.java:184)
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)
.......

[patronsaint]

空指针异常，看看配置正确没有？

[d289522401]

哪个配置不正确？能说清楚点嘛？

[小爽昵称已被占用]

org.eclipse.jdt.ui
反正免费，另下载个就是了，把这个删了。不要在这样的事耽误时间拉。

[d289522401]

重新下了啊！可是，没过多久又报这个异常

[babe0555]

你是不是用新的eclipse把其中的configure文件夹里面的东西给删除了？

[d289522401]

没有！是工作空间的问题，可是我找不到