Eclipse插件在更新后消失

Window->Check for Updates 特色。 重新启动后,所有第三方插件似乎都关闭了。

从 -clean 命令行键没有帮助。

Eclipse Installation Detals 正确包含有关我的所有插件的信息。

错误日志:

eclipse.buildId=M20090917-0800
java.version=1.6.0_05
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=ru_RU
Framework arguments:  -product org.eclipse.epp.package.php.product
Command-line arguments:  -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.php.product

!ENTRY org.eclipse.team.core 4 0 2009-11-24 12:52:00.804
!MESSAGE Could not instantiate provider org.eclipse.team.svn.core.svnnature for project Search.
!STACK 1
org.eclipse.team.core.TeamException: Could not instantiate provider org.eclipse.team.svn.core.svnnature for project Search.
    at org.eclipse.team.core.RepositoryProvider.mapNewProvider(RepositoryProvider.java:165)
    at org.eclipse.team.core.RepositoryProvider.mapExistingProvider(RepositoryProvider.java:235)
    at org.eclipse.team.core.RepositoryProvider.getProvider(RepositoryProvider.java:507)
    at org.eclipse.team.internal.ccvs.ui.CVSLightweightDecorator.isMappedToCVS(CVSLightweightDecorator.java:192)
    at org.eclipse.team.internal.ccvs.ui.CVSLightweightDecorator.decorate(CVSLightweightDecorator.java:147)
    at org.eclipse.ui.internal.decorators.LightweightDecoratorDefinition.decorate(LightweightDecoratorDefinition.java:263)
    at org.eclipse.ui.internal.decorators.LightweightDecoratorManager$LightweightRunnable.run(LightweightDecoratorManager.java:81)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.ui.internal.decorators.LightweightDecoratorManager.decorate(LightweightDecoratorManager.java:365)
    at org.eclipse.ui.internal.decorators.LightweightDecoratorManager.getDecorations(LightweightDecoratorManager.java:347)
    at org.eclipse.ui.internal.decorators.DecorationScheduler$1.ensureResultCached(DecorationScheduler.java:371)
    at org.eclipse.ui.internal.decorators.DecorationScheduler$1.run(DecorationScheduler.java:331)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
!SUBENTRY 1 org.eclipse.team.core 4 0 2009-11-24 12:52:00.804
!MESSAGE Could not instantiate provider org.eclipse.team.svn.core.svnnature for project Search.