eclipse突然不能使用，顯示錯誤日誌在mybatis.log文件裏面

今天eclipse突然不能用，說錯誤日誌在eclipse安裝路徑的mybatis.log文件裏面，查看日至一大堆錯誤報告，主要問題是以下：

!ENTRY org.eclipse.osgi 4 0 2011-05-17 15:16:33.921

!MESSAGE Application error

!STACK 1

java.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 more

Caused 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 more

Caused 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)




網上的主要解決方案是刪除workspace目錄下.metadata/.plugins的文件夾下的文件，然後重啓，有的說把這個文件全部刪除，有的說刪除\.root\.indexes，還有的說刪除\org.eclipse.core.resources\.snap文件(這個文件在我的工作空間中都沒有)，所以這個方法並不可靠。隨後我在

這個網址找到了相關問題http://www.eclipse.org/forums/index.php/t/156204/；我解決的方案是重新安裝了eclipse，然後使用原本的工作空間，可以解決我的問題。