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Created attachment 121434 [details] Thread dump. Deadlock was detected when I installed IDE from installer and started it for the first time. Product Version: NetBeans IDE Dev (Build 201206270002) Java: 1.7.0_06-ea; Java HotSpot(TM) 64-Bit Server VM 23.2-b05 System: Windows 7 version 6.1 running on amd64; Cp1250; en_US (nb)
This is clearly a JDK problem. No NetBeans code is in fact involved. Please try to prevent _06 to be released with a bug like this. Java stack information for the threads listed above: =================================================== "Folder Instance Processor": at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000d06707c8> (a java.util.concurrent.locks.ReentrantLock$NonfairSync) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186) at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197) at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214) at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290) at java.awt.EventQueue.postEventPrivate(EventQueue.java:235) at java.awt.EventQueue.postEvent(EventQueue.java:221) at sun.awt.PostEventQueue.flush(SunToolkit.java:2116) - locked <0x00000000d034ee38> (a sun.awt.PostEventQueue) at sun.awt.SunToolkit.flushPendingEvents(SunToolkit.java:563) at java.awt.EventQueue.postEvent(EventQueue.java:220) at java.awt.EventQueue.invokeLater(EventQueue.java:1188) at org.openide.util.Mutex.doEvent(Mutex.java:1345) at org.openide.util.Mutex.readAccess(Mutex.java:350) at org.netbeans.modules.openide.loaders.AWTTask.<init>(AWTTask.java:71) at org.openide.awt.MenuBar$LazyMenu$MenuFolder.postCreationTask(MenuBar.java:855) at org.openide.loaders.FolderInstance$1R.run(FolderInstance.java:722) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1452) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2032) "AWT-EventQueue-1": at sun.awt.PostEventQueue.noEvents(SunToolkit.java:2104) - waiting to lock <0x00000000d034ee38> (a sun.awt.PostEventQueue) at sun.awt.SunToolkit.isPostEventQueueEmpty(SunToolkit.java:577) at java.awt.EventQueue.detachDispatchThread(EventQueue.java:1048) at java.awt.EventDispatchThread.run(EventDispatchThread.java:103) Found 1 deadlock.
Btw this happens with JDK7_u5 as well (I can attach thread dump if needed but it is almost the same). On Ubuntu it causes that the system and all opened programs are irresponsible and solution is to switch to console mode (Ctrl+Alt+F2) i.e. reboot system. It is reproducible, but rarely, by opening IDE and quickly clicking on main menu or moving IDE window. Product Version: NetBeans IDE 7.2 RC1 (Build 201206262201) Java: 1.7.0_05; Java HotSpot(TM) Client VM 23.1-b03 System: Linux version 3.0.0-21-generic-pae running on i386; UTF-8; en_US (nb)
Created attachment 121955 [details] Thread dump - JDK7u6-b18.
Please, escalate to JDK team. Happened again with latest JDK7u6 build. Java; VM = 1.7.0_06-ea; Java HotSpot(TM) 64-Bit Server VM 23.2-b08 Runtime = Java(TM) SE Runtime Environment 1.7.0_06-ea-b18 System: Windows 7 version 6.1 running on amd64; Cp1250; en_US (nb)
Already filed as Java bug. See issue 213926. I added this additional thread dump to that Java bug. *** This bug has been marked as a duplicate of bug 213926 ***
Thank you.