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Created attachment 154675 [details] Thread dump Occurred when following an Alt-Insert suggestion "Generate Getters and Setters"; the dialog opened but did not populate, the AWT thread is now deadlocked. It didn't trigger the deadlock detector as far as I can tell. See attached thread dump, summary is Found one Java-level deadlock: ============================= "AWT-EventQueue-0": waiting for ownable synchronizer 0x00000000801d3e10, (a java.util.concurrent.locks.ReentrantLock$NonfairSync), which is held by "AWT-XAWT" "AWT-XAWT": waiting to lock monitor 0x00007f535c043b08 (object 0x0000000080fef848, a java.lang.Object), which is held by "AWT-EventQueue-0" Java stack information for the threads listed above: =================================================== "AWT-EventQueue-0": at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00000000801d3e10> (a java.util.concurrent.locks.ReentrantLock$NonfairSync) at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:870) at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1199) at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:209) at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:285) at sun.awt.SunToolkit.awtLock(SunToolkit.java:248) at sun.awt.X11.XRootWindow.getInstance(XRootWindow.java:36) at sun.awt.X11.XBaseWindow.getXAWTRootWindow(XBaseWindow.java:412) at sun.awt.X11.XClipboard.registerClipboardViewerChecked(XClipboard.java:166) - locked <0x0000000080fef848> (a java.lang.Object) at sun.awt.datatransfer.SunClipboard.addFlavorListener(SunClipboard.java:380) - locked <0x0000000080ca8f60> (a sun.awt.X11.XClipboard) at org.netbeans.NbClipboard.eventDispatched(NbClipboard.java:372) at java.awt.Toolkit$SelectiveAWTEventListener.eventDispatched(Toolkit.java:2440) at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2332) at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2331) at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2331) at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2331) at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2331) at java.awt.Toolkit$ToolkitEventMulticaster.eventDispatched(Toolkit.java:2331) <......> "AWT-XAWT": at sun.awt.X11.XClipboard$CheckChangeTimerTask.run(XClipboard.java:180) - waiting to lock <0x0000000080fef848> (a java.lang.Object) at sun.awt.X11.XToolkit.callTimeoutTasks(XToolkit.java:1926) at sun.awt.X11.XToolkit.run(XToolkit.java:571) at sun.awt.X11.XToolkit.run(XToolkit.java:542) at java.lang.Thread.run(Thread.java:744) Found 1 deadlock.
On restarting, seems like deadlock detector was triggered, however defect submission appears to have failed.