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

*** 1068,1077 ****
--- 1068,1084 ----
      }
  
      public static EventQueue getSystemEventQueueImplPP(AppContext appContext) {
          EventQueue theEventQueue =
              (EventQueue)appContext.get(AppContext.EVENT_QUEUE_KEY);
+         // Sometimes EventQueue stored in AppContext may be null, (e.g. for the
+         // static fields of an applet after refresh of the webpage). Let's use
+         // the EventQueue from the default AppContext in this case.
+         if (theEventQueue == null) {
+             theEventQueue = (EventQueue)(AppContext.getAppContext()).get(
+                 AppContext.EVENT_QUEUE_KEY);
+         }
          return theEventQueue;
      }
  
      /**
       * Give native peers the ability to query the native container