org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: AWT-XAWT
   at sun.awt.X11GraphicsDevice.getDefaultConfiguration(X11GraphicsDevice.java:226)
   at sun.awt.X11.XWindowPeer.checkIfOnNewScreen(XWindowPeer.java:680)
   at sun.awt.X11.XDecoratedPeer.handleConfigureNotifyEvent(XDecoratedPeer.java:759)
   at sun.awt.X11.XBaseWindow.dispatchEvent(XBaseWindow.java:1116)
   at sun.awt.X11.XBaseWindow.dispatchToWindow(XBaseWindow.java:1073)
   at sun.awt.X11.XToolkit.dispatchEvent(XToolkit.java:475)
   at sun.awt.X11.XToolkit.run(XToolkit.java:584)
   at sun.awt.X11.XToolkit.run(XToolkit.java:505)
   at java.lang.Thread.run(Thread.java:745)
Caused: org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: AWT-EventQueue-0
Caused: org.netbeans.modules.deadlock.detector.Detector$DeadlockDetectedException: A deadlock was detected.
We suggest to restart the IDE to recover.
   at sun.misc.Unsafe.park(Unsafe.java:0)
   at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
   at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
   at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:867)
   at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1197)
   at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214)
   at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
   at sun.awt.SunToolkit.awtLock(SunToolkit.java:245)
   at sun.awt.X11GraphicsDevice.getConfigVisualId(X11GraphicsDevice.java:0)
   at sun.awt.X11GraphicsDevice.makeDefaultConfiguration(X11GraphicsDevice.java:234)
   at sun.awt.X11GraphicsDevice.getDefaultConfiguration(X11GraphicsDevice.java:226)
   at javax.swing.RepaintManager.getDoubleBufferMaximumSize(RepaintManager.java:1137)
   at javax.swing.RepaintManager.getVolatileOffscreenBuffer(RepaintManager.java:1019)
   at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1437)
   at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:311)
   at javax.swing.RepaintManager.paint(RepaintManager.java:1249)
   at javax.swing.JComponent.paint(JComponent.java:1032)
   at java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:39)
   at sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:78)
   at sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:115)
   at java.awt.Container.paint(Container.java:1967)
   at java.awt.Window.paint(Window.java:3877)
   at javax.swing.RepaintManager$3.run(RepaintManager.java:819)
   at javax.swing.RepaintManager$3.run(RepaintManager.java:796)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:77)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:796)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:769)
   at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:718)
   at javax.swing.RepaintManager.access$1100(RepaintManager.java:62)
   at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1677)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:312)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:745)
   at java.awt.EventQueue.access$300(EventQueue.java:103)
   at java.awt.EventQueue$3.run(EventQueue.java:706)
   at java.awt.EventQueue$3.run(EventQueue.java:704)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:77)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:715)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)