忽然间就不能用我的eclipse了
本来好好的重启了一下 就用不成了
然后任凭我怎么重启都用不成

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!ENTRY org.eclipse.osgi 4 0 2011-05-17 15:16:33.921!MESSAGE Application error!STACK 1java.lang.NoClassDefFoundError: org/eclipse/core/resources/IContainer    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:116)    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)    at java.lang.reflect.Method.invoke(Unknown Source)    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:619)    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)    at org.eclipse.equinox.launcher.Main.run(Main.java:1407)Caused by: org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter$TerminatingClassNotFoundException: An error occurred while automatically activating bundle org.eclipse.core.resources (69).    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:121)    at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:453)    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)    at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:393)    at org.eclipse.osgi.internal.loader.SingleSourcePackage.loadClass(SingleSourcePackage.java:33)    at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:466)    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:422)    at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:410)    at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)    at java.lang.ClassLoader.loadClass(Unknown Source)    ... 13 moreCaused by: org.osgi.framework.BundleException: Exception in org.eclipse.core.resources.ResourcesPlugin.start() of bundle org.eclipse.core.resources.    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:806)    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:755)    at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:370)    at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:284)    at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:417)    at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:265)    at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:106)    ... 22 moreCaused by: java.lang.NullPointerException    at org.eclipse.core.internal.resources.Workspace.newElement(Workspace.java:1774)    at org.eclipse.core.internal.resources.SaveManager.readElement(SaveManager.java:511)    at org.eclipse.core.internal.watson.ElementTreeReader$1.readData(ElementTreeReader.java:63)    at org.eclipse.core.internal.dtree.DataTreeReader.readNode(DataTreeReader.java:89)    at org.eclipse.core.internal.dtree.DataTreeReader.readNode(DataTreeReader.java:103)    at org.eclipse.core.internal.dtree.DataTreeReader.readNode(DataTreeReader.java:103)    at org.eclipse.core.internal.dtree.DataTreeReader.readNode(DataTreeReader.java:103)    at org.eclipse.core.internal.dtree.DataTreeReader.readNode(DataTreeReader.java:103)    at org.eclipse.core.internal.dtree.DataTreeReader.readTree(DataTreeReader.java:147)    at org.eclipse.core.internal.watson.ElementTreeReaderImpl_1.readTree(ElementTreeReaderImpl_1.java:103)    at org.eclipse.core.internal.watson.ElementTreeReader.readTree(ElementTreeReader.java:151)    at org.eclipse.core.internal.watson.ElementTreeReaderImpl_1.readDeltaChain(ElementTreeReaderImpl_1.java:84)    at org.eclipse.core.internal.watson.ElementTreeReader.readDeltaChain(ElementTreeReader.java:110)    at org.eclipse.core.internal.resources.WorkspaceTreeReader_1.readTrees(WorkspaceTreeReader_1.java:232)    at org.eclipse.core.internal.resources.WorkspaceTreeReader_1.readTree(WorkspaceTreeReader_1.java:166)    at org.eclipse.core.internal.resources.SaveManager.restoreTree(SaveManager.java:978)    at org.eclipse.core.internal.resources.SaveManager.restore(SaveManager.java:665)    at org.eclipse.core.internal.resources.SaveManager.startup(SaveManager.java:1503)    at org.eclipse.core.internal.resources.Workspace.startup(Workspace.java:2134)    at org.eclipse.core.internal.resources.Workspace.open(Workspace.java:1883)    at org.eclipse.core.resources.ResourcesPlugin.start(ResourcesPlugin.java:406)    at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:783)    at java.security.AccessController.doPrivileged(Native Method)    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:774)    ... 28 more 
 

[解决办法]
我 的也是老出问题
[解决办法]
你好 最简单的一个方法就是卸了 再装过...