Error during dispatching of java.awt.event.MouseEvent[MOUSE_DRAGGED,(350,392),absolute(377,417),button=0,modifiers=Button1,extModifiers=Button1,clickCount=0] on frame0: Cannot grab keyboard: already grabbed
java.awt.dnd.InvalidDnDOperationException: Cannot grab keyboard: already grabbed
at sun.awt.X11.XDragSourceContextPeer.throwGrabFailureException(XDragSourceContextPeer.java:282)
at sun.awt.X11.XDragSourceContextPeer.startDrag(XDragSourceContextPeer.java:203)
at sun.awt.dnd.SunDragSourceContextPeer.startDrag(SunDragSourceContextPeer.java:111)
at java.awt.dnd.DragSource.startDrag(DragSource.java:306)
at java.awt.dnd.DragSource.startDrag(DragSource.java:376)
at java.awt.dnd.DragGestureEvent.startDrag(DragGestureEvent.java:247)
at com.intellij.ide.dnd.DnDManagerImpl$MyDragGestureListnener.dragGestureRecognized(DnDManagerImpl.java:14)
at java.awt.dnd.DragGestureRecognizer.fireDragGestureRecognized(DragGestureRecognizer.java:339)
at sun.awt.X11.XMouseDragGestureRecognizer.mouseDragged(XMouseDragGestureRecognizer.java:202)
at java.awt.AWTEventMulticaster.mouseDragged(AWTEventMulticaster.java:303)
at java.awt.Component.processMouseMotionEvent(Component.java:6086)
at javax.swing.JComponent.processMouseMotionEvent(JComponent.java:3283)
at java.awt.Component.processEvent(Component.java:5807)
at java.awt.Container.processEvent(Container.java:2058)
at java.awt.Component.dispatchEventImpl(Component.java:4410)
at java.awt.Container.dispatchEventImpl(Container.java:2116)
at java.awt.Component.dispatchEvent(Component.java:4240)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4003)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916)
at java.awt.Container.dispatchEventImpl(Container.java:2102)
at java.awt.Window.dispatchEventImpl(Window.java:2429)
at java.awt.Component.dispatchEvent(Component.java:4240)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at com.intellij.ide.IdeEventQueue.c(IdeEventQueue.java:10)
at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:132)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:188)
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)