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java.lang.Throwable: 	at com.intellij.openapi.project.DumbServiceImpl.a(DumbServiceImpl.java:167)	at com.intellij.openapi.project.DumbServiceImpl.queueTask(DumbServiceImpl.java:92)	at com.intellij.util.indexing.FileBasedIndexProjectHandler$2$1.run(FileBasedIndexProjectHandler.java:90)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)	at java.awt.EventQueue.access$500(EventQueue.java:97)	at java.awt.EventQueue$3.run(EventQueue.java:709)	at java.awt.EventQueue$3.run(EventQueue.java:703)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)	at com.intellij.ide.IdeEventQueue.g(IdeEventQueue.java:857)	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:658)	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:386)	at com.intellij.ide.IdeEventQueue.pumpEventsForHierarchy(IdeEventQueue.java:944)	at com.intellij.openapi.progress.util.ProgressWindow.startBlocking(ProgressWindow.java:210)	at com.intellij.openapi.progress.util.ProgressWindow.startBlocking(ProgressWindow.java:197)	at com.intellij.openapi.application.impl.ApplicationImpl.runProcessWithProgressSynchronously(ApplicationImpl.java:649)	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcessWithProgressSynchronously(CoreProgressManager.java:354)	at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcessWithProgressSynchronously(ProgressManagerImpl.java:76)	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcessWithProgressSynchronously(CoreProgressManager.java:230)	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcessWithProgressSynchronously(CoreProgressManager.java:183)	at com.intellij.openapi.project.impl.ProjectManagerImpl.openProject(ProjectManagerImpl.java:372)	at com.intellij.openapi.project.impl.ProjectManagerImpl.loadAndOpenProject(ProjectManagerImpl.java:468)	at com.intellij.ide.impl.ProjectUtil.openProject(ProjectUtil.java:190)	at com.intellij.ide.RecentProjectsManagerImpl.doOpenProject(RecentProjectsManagerImpl.java:60)	at com.intellij.ide.RecentProjectsManagerBase.doReopenLastProject(RecentProjectsManagerBase.java:573)	at com.intellij.ide.RecentProjectsManagerBase$MyAppLifecycleListener.appStarting(RecentProjectsManagerBase.java:607)	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 com.intellij.util.messages.impl.MessageBusConnectionImpl.deliverMessage(MessageBusConnectionImpl.java:117)	at com.intellij.util.messages.impl.MessageBusImpl.doPumpMessages(MessageBusImpl.java:372)	at com.intellij.util.messages.impl.MessageBusImpl.pumpMessages(MessageBusImpl.java:359)	at com.intellij.util.messages.impl.MessageBusImpl.sendMessage(MessageBusImpl.java:338)	at com.intellij.util.messages.impl.MessageBusImpl.access$200(MessageBusImpl.java:42)	at com.intellij.util.messages.impl.MessageBusImpl$2.invoke(MessageBusImpl.java:226)	at com.sun.proxy.$Proxy46.appStarting(Unknown Source)	at com.intellij.idea.IdeaApplication$IdeStarter$2.run(IdeaApplication.java:354)	at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.a(LaterInvocator.java:345)	at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:329)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)	at java.awt.EventQueue.access$500(EventQueue.java:97)	at java.awt.EventQueue$3.run(EventQueue.java:709)	at java.awt.EventQueue$3.run(EventQueue.java:703)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)	at com.intellij.ide.IdeEventQueue.g(IdeEventQueue.java:857)	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:658)	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:386)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)