src/share/classes/sun/awt/SunToolkit.java

*** 542,572 ****
              }, PeerEvent.ULTIMATE_PRIORITY_EVENT);
          postEvent(targetToAppContext(e.getSource()), pe);
      }
  
      protected static final Lock flushLock = new ReentrantLock();
!     private static boolean isFlushingPendingEvents = false;
  
      /*
       * Flush any pending events which haven't been posted to the AWT
       * EventQueue yet.
       */
      public static void flushPendingEvents()  {
          flushLock.lock();
          try {
              // Don't call flushPendingEvents() recursively
!             if (!isFlushingPendingEvents) {
!                 isFlushingPendingEvents = true;
                  AppContext appContext = AppContext.getAppContext();
                  PostEventQueue postEventQueue =
                      (PostEventQueue)appContext.get(POST_EVENT_QUEUE_KEY);
                  if (postEventQueue != null) {
                      postEventQueue.flush();
                  }
              }
          } finally {
!             isFlushingPendingEvents = false;
              flushLock.unlock();
          }
      }
  
      public static boolean isPostEventQueueEmpty()  {
--- 542,572 ----
              }, PeerEvent.ULTIMATE_PRIORITY_EVENT);
          postEvent(targetToAppContext(e.getSource()), pe);
      }
  
      protected static final Lock flushLock = new ReentrantLock();
!     private static int flushNestingLevel = 0;
  
      /*
       * Flush any pending events which haven't been posted to the AWT
       * EventQueue yet.
       */
      public static void flushPendingEvents()  {
          flushLock.lock();
          try {
              // Don't call flushPendingEvents() recursively
!             ++flushNestingLevel;
!             if (flushNestingLevel == 1) {
                  AppContext appContext = AppContext.getAppContext();
                  PostEventQueue postEventQueue =
                      (PostEventQueue)appContext.get(POST_EVENT_QUEUE_KEY);
                  if (postEventQueue != null) {
                      postEventQueue.flush();
                  }
              }
          } finally {
!             --flushNestingLevel;
              flushLock.unlock();
          }
      }
  
      public static boolean isPostEventQueueEmpty()  {