java - 仅当我删除工作区中的插件文件夹时，Eclipse 才会启动

Question

为了给你们一些背景知识，我对 Java 有非常基本的经验，并且我在 Windows 7 上使用 Eclipse。每当我在 Eclipse 上保存项目并退出时，下次我尝试启动它时，它会给我一条消息告诉我有错误并查看日志。如果我删除我的整个工作区，或者删除插件文件夹，它会完美启动，但下次我退出时它不会再次启动，因为插件文件夹又回来了。

这是日志前两个条目的粘贴，我不知道它是什么意思。

!SESSION 2016-08-30 16:20:45.457 -----------------------------------------------
eclipse.buildId=4.6.0.I20160606-1100
java.version=1.8.0_101
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_CA
Framework arguments:  -product org.eclipse.epp.package.java.product
Command-line arguments:  -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.java.product

This is a continuation of log file C:\Users\User\workspace\.metadata\.bak_0.log
Created Time: 2016-08-30 16:20:53.379

!ENTRY org.eclipse.ui.workbench 4 0 2016-08-30 16:20:53.379
!MESSAGE Widget is disposed
!STACK 0
org.eclipse.swt.SWTException: Widget is disposed
    at org.eclipse.swt.SWT.error(SWT.java:4533)
    at org.eclipse.swt.SWT.error(SWT.java:4448)
    at org.eclipse.swt.SWT.error(SWT.java:4419)
    at org.eclipse.swt.widgets.Display.error(Display.java:1262)
    at org.eclipse.swt.widgets.Display.checkDevice(Display.java:747)
    at org.eclipse.swt.widgets.Display.getShells(Display.java:2248)
    at org.eclipse.ui.internal.progress.ProgressManagerUtil.getModalShellExcluding(ProgressManagerUtil.java:321)
    at org.eclipse.ui.internal.progress.ProgressManagerUtil.getDefaultParent(ProgressManagerUtil.java:376)
    at org.eclipse.ui.internal.statushandlers.InternalDialog.<init>(InternalDialog.java:155)
    at org.eclipse.ui.internal.statushandlers.WorkbenchStatusDialogManagerImpl.doAddStatusAdapter(WorkbenchStatusDialogManagerImpl.java:260)
    at org.eclipse.ui.internal.statushandlers.WorkbenchStatusDialogManagerImpl.addStatusAdapter(WorkbenchStatusDialogManagerImpl.java:197)
    at org.eclipse.ui.statushandlers.WorkbenchStatusDialogManager.addStatusAdapter(WorkbenchStatusDialogManager.java:158)
    at org.eclipse.ui.statushandlers.WorkbenchErrorHandler.showStatusAdapter(WorkbenchErrorHandler.java:95)
    at org.eclipse.ui.statushandlers.WorkbenchErrorHandler.access$0(WorkbenchErrorHandler.java:88)
    at org.eclipse.ui.statushandlers.WorkbenchErrorHandler$2.run(WorkbenchErrorHandler.java:63)
    at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
    at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182)
    at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4203)
    at org.eclipse.swt.widgets.Display.msgFilterProc(Display.java:3533)

!ENTRY org.eclipse.jface 4 0 2016-08-30 16:20:53.381
!MESSAGE An error has occurred. See error log for more details.
!STACK 0
java.lang.NullPointerException
    at org.eclipse.ui.actions.RetargetAction.partDeactivated(RetargetAction.java:186)
    at org.eclipse.ui.internal.PartService$4.run(PartService.java:123)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.ui.internal.PartService.partDeactivated(PartService.java:120)
    at org.eclipse.ui.internal.WorkbenchPage$18.run(WorkbenchPage.java:5030)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.ui.internal.WorkbenchPage.firePartDeactivated(WorkbenchPage.java:5027)
    at org.eclipse.ui.internal.WorkbenchPage.access$21(WorkbenchPage.java:5020)
    at org.eclipse.ui.internal.WorkbenchPage$E4PartListener.partDeactivated(WorkbenchPage.java:222)
    at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$4.run(PartServiceImpl.java:266)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.firePartDeactivated(PartServiceImpl.java:263)
    at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:688)
    at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.setPart(PartServiceImpl.java:221)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:54)
    at org.eclipse.e4.core.internal.contexts.ContextObjectSupplier$ContextInjectionListener.update(ContextObjectSupplier.java:90)
    at org.eclipse.e4.core.internal.contexts.TrackableComputationExt.update(TrackableComputationExt.java:111)
    at org.eclipse.e4.core.internal.contexts.EclipseContext.processScheduled(EclipseContext.java:343)
    at org.eclipse.e4.core.internal.contexts.EclipseContext.set(EclipseContext.java:358)
    at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:197)
    at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:161)
    at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:161)
    at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:161)
    at org.eclipse.e4.core.internal.contexts.EclipseContext.dispose(EclipseContext.java:161)
    at org.eclipse.e4.core.internal.contexts.osgi.EclipseContextOSGi.dispose(EclipseContextOSGi.java:106)
    at org.eclipse.e4.core.internal.contexts.osgi.EclipseContextOSGi.bundleChanged(EclipseContextOSGi.java:139)
    at org.eclipse.osgi.internal.framework.BundleContextImpl.dispatchEvent(BundleContextImpl.java:903)
    at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
    at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
    at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEventPrivileged(EquinoxEventPublisher.java:213)
    at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:120)
    at org.eclipse.osgi.internal.framework.EquinoxEventPublisher.publishBundleEvent(EquinoxEventPublisher.java:112)
    at org.eclipse.osgi.internal.framework.EquinoxContainerAdaptor.publishModuleEvent(EquinoxContainerAdaptor.java:156)
    at org.eclipse.osgi.container.Module.publishEvent(Module.java:476)
    at org.eclipse.osgi.container.Module.doStop(Module.java:634)
    at org.eclipse.osgi.container.Module.stop(Module.java:498)
    at org.eclipse.osgi.container.SystemModule.stop(SystemModule.java:191)
    at org.eclipse.osgi.internal.framework.EquinoxBundle$SystemBundle$EquinoxSystemModule$1.run(EquinoxBundle.java:165)
    at java.lang.Thread.run(Thread.java:745)

Answer 1

我刚刚发现，如果我以管理员身份运行 eclipse，它工作正常。