"Starting duplicate externalization session:" exception in idea.log

I can see it occuring again and again in idea.log

I had a permgen OOME before that, could it be related ?
want me to create an issue for it ?
This is using 8890

2008-10-28 13:23:28,828 ERROR - stores.StateStorageManagerImpl - Starting duplicate externalization session: previous session=com.intellij.openapi.components.impl.stores.StateStorageManagerImpl$MyExternalizationSession@6a05ff
java.lang.Throwable
at com.intellij.openapi.diagnostic.Logger.error(Logger.java:48)
at com.intellij.openapi.components.impl.stores.StateStorageManagerImpl.startExternalization(StateStorageManagerImpl.java:62)
at com.intellij.openapi.components.impl.stores.ComponentStoreImpl$SaveSessionImpl.commit(ComponentStoreImpl.java:11)
at com.intellij.openapi.components.impl.stores.ComponentStoreImpl.startSave(ComponentStoreImpl.java:49)
at com.intellij.openapi.components.impl.stores.ModuleStoreImpl.startSave(ModuleStoreImpl.java:56)
at com.intellij.openapi.components.impl.stores.ProjectWithModulesStoreImpl$ProjectWithModulesSaveSession.]]>(ProjectWithModulesStoreImpl.java:29)
at com.intellij.openapi.components.impl.stores.ProjectWithModulesStoreImpl.createSaveSession(ProjectWithModulesStoreImpl.java:17)
at com.intellij.openapi.components.impl.stores.ComponentStoreImpl.startSave(ComponentStoreImpl.java:80)
at com.intellij.openapi.components.impl.stores.ProjectWithModulesStoreImpl.startSave(ProjectWithModulesStoreImpl.java:29)
at com.intellij.openapi.components.impl.ComponentManagerImpl.doSave(ComponentManagerImpl.java:20)
at com.intellij.openapi.project.impl.ProjectImpl.save(ProjectImpl.java:72)
at com.intellij.ide.SaveAndSyncHandler.b(SaveAndSyncHandler.java:57)
at com.intellij.ide.SaveAndSyncHandler.access$200(SaveAndSyncHandler.java:33)
at com.intellij.ide.SaveAndSyncHandler$3.onFrameDeactivated(SaveAndSyncHandler.java:5)
at com.intellij.ide.FrameStateManagerImpl.a(FrameStateManagerImpl.java:4)
at com.intellij.ide.FrameStateManagerImpl.access$100(FrameStateManagerImpl.java:17)
at com.intellij.ide.FrameStateManagerImpl$1.run(FrameStateManagerImpl.java:4)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:15)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:75)
at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:146)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:180)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)

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