我是 Android 开发新手。单击启动 eclipse 后，它显示一个错误：
“发生错误。请查看日志文件 D:\JAVA\workspace.metadata.log。”
当我检查日志文件时它说（我只放最后一条日志）
“！ENTRY org.eclipse.osgi 4 0 2012-07-16 17:44:13.991 ！MESSAGE 应用程序错误 ！STACK 1 java.lang.NullPointerException 在 org.eclipse.e4.ui.internal.workbench.E4Workbench.processHierarchy（E4Workbench.java:172） 在 org.eclipse.e4.ui.internal.workbench.E4Workbench.init（E4Workbench.java:118） 在 org.eclipse.e4.ui.internal.workbench.E4Workbench.（E4Workbench.java:69） 在 org.eclipse.e4.ui.internal.workbench.swt.E4Application.createE4Workbench（E4Application.java:302） org.eclipse.ui.internal.Workbench$5.run(Workbench.java:554) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:540) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) 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:353) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180) 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:629) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584) 在 org.eclipse.equinox.launcher.Main.run(Main.java:1438) “