最近我的 eclipse 副本不再存在，虽然我想不出我可能做了什么导致这种情况，但我一定做了一些事情，但基本上对于任何工作空间，我尝试在我的日志文件中打开以下显示：
eclipse.buildId=M20120208-0800
java.version=1.7.0_04
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
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
!ENTRY org.eclipse.ui 4 0 2012-08-29 09:30:43.361
!MESSAGE Unhandled event loop exception
!STACK 0
java.lang.NegativeArraySizeException
at org.eclipse.core.internal.registry.TableReader.readArray(TableReader.java:360)
at org.eclipse.core.internal.registry.TableReader.basicLoadExtensionPoint(TableReader.java:351)
at org.eclipse.core.internal.registry.TableReader.loadExtensionPoint(TableReader.java:339)
at org.eclipse.core.internal.registry.TableReader.loadExtensionPointTree(TableReader.java:309)
at org.eclipse.core.internal.registry.RegistryObjectManager.load(RegistryObjectManager.java:421)
at org.eclipse.core.internal.registry.RegistryObjectManager.basicGetObject(RegistryObjectManager.java:270)
at org.eclipse.core.internal.registry.RegistryObjectManager.getObject(RegistryObjectManager.java:262)
at org.eclipse.core.internal.registry.BaseExtensionPointHandle.getExtensionPoint(BaseExtensionPointHandle.java:106)
at org.eclipse.core.internal.registry.BaseExtensionPointHandle.getExtensions(BaseExtensionPointHandle.java:32)
at org.eclipse.ui.internal.activities.ws.TriggerPointManager.<init>(TriggerPointManager.java:87)
at org.eclipse.ui.internal.activities.ws.WorkbenchActivitySupport.<init>(WorkbenchActivitySupport.java:80)
at org.eclipse.ui.internal.Workbench.init(Workbench.java:1523)
at org.eclipse.ui.internal.Workbench.access$36(Workbench.java:1486)
at org.eclipse.ui.internal.Workbench$66.run(Workbench.java:2597)
我尝试查找此错误，并在 eclipse 错误论坛中发现了一些对负数组大小异常的引用，但似乎没有与此相关的内容。有什么想法吗？