src/java.desktop/share/classes/java/awt/EventQueue.java

*** 897,911 ****
--- 897,913 ----
                          getEventLog().fine("Interrupted push", ie);
                      }
                  }
              }
  
+             if (topQueue.dispatchThread != null) {
                  // Wake up EDT waiting in getNextEvent(), so it can
                  // pick up a new EventQueue. Post the waking event before
                  // topQueue.nextQueue is assigned, otherwise the event would
                  // go newEventQueue
                  topQueue.postEventPrivate(new InvocationEvent(topQueue, dummyRunnable));
+             }
  
              newEventQueue.previousQueue = topQueue;
              topQueue.nextQueue = newEventQueue;
  
              if (appContext.get(AppContext.EVENT_QUEUE_KEY) == topQueue) {