有关于eclipse启动不了的问题

eclipse 启动报错

!SESSION 2016-06-16 10:43:16.368 -----------------------------------------------

eclipse.buildId=4.5.2.M20160212-1500

java.version=1.8.0_91

java.vendor=Oracle Corporation

BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=zh_CN

Framework arguments: -product org.eclipse.epp.package.jee.product

Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.jee.product

!ENTRY org.eclipse.osgi 4 0 2016-06-16 10:43:24.278

!MESSAGE An error occurred while automatically activating bundle org.eclipse.core.resources (102).

!STACK 0

org.osgi.framework.BundleException: Exception in org.eclipse.core.resources.ResourcesPlugin.start() of bundle org.eclipse.core.resources.

at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:792)

at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:721)

at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:941)

at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:318)

at org.eclipse.osgi.container.Module.doStart(Module.java:571)

at org.eclipse.osgi.container.Module.start(Module.java:439)

at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:454)

at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)

at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:531)

at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:324)

at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:327)

at org.eclipse.osgi.internal.loader.sources.SingleSourcePackage.loadClass(SingleSourcePackage.java:36)

at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:398)

at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:352)

at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:344)

at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:140)

at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)

at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)

at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)

at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)

at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)

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.equinox.launcher.Main.invokeFramework(Main.java:669)

at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)

at org.eclipse.equinox.launcher.Main.run(Main.java:1515)

Caused by: org.eclipse.core.internal.resources.ResourceException: Incompatible file format. Workspace was saved with an incompatible version: 0.

at org.eclipse.core.internal.resources.WorkspaceTreeReader.getReader(WorkspaceTreeReader.java:58)

at org.eclipse.core.internal.resources.WorkspaceTreeReader.getReader(WorkspaceTreeReader.java:66)

at org.eclipse.core.internal.resources.SaveManager.restoreTree(SaveManager.java:1054)

at org.eclipse.core.internal.resources.SaveManager.restore(SaveManager.java:717)

at org.eclipse.core.internal.resources.SaveManager.startup(SaveManager.java:1588)

at org.eclipse.core.internal.resources.Workspace.startup(Workspace.java:2386)

at org.eclipse.core.internal.resources.Workspace.open(Workspace.java:2157)

at org.eclipse.core.resources.ResourcesPlugin.start(ResourcesPlugin.java:463)

at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:771)

at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)

at java.security.AccessController.doPrivileged(Native Method)

at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:764)

... 29 more

Root exception:

org.eclipse.core.internal.resources.ResourceException: Incompatible file format. Workspace was saved with an incompatible version: 0.