IV50197: EXCEPTION THROWN WHEN RUNNING SWINGSET2 DEMO

APAR status

• Closed as program error.

Error description

• Error Message: When launching SwingSet2 Demo with
  NimbusLookAndFeel there are multiple problems occurs and they
  are ClassCastException, assertion failure and intermittent GUI
  hang.
  
  Stack Trace:
  
  Exception
  in thread "AWT-EventQueue-0" java.lang.ClassCastException:
  javax.swing.plaf.nimbus.DerivedColor$UIResource incompatible
  with javax.swing.Painter
          at
  javax.swing.plaf.nimbus.NimbusStyle.getBackgroundPainter(NimbusS
  tyle.java:708)
          at
  javax.swing.plaf.nimbus.SynthPainterImpl.paintBackground(SynthPa
  interImpl.java:99)
          at
  javax.swing.plaf.nimbus.SynthPainterImpl.paintPanelBackground(Sy
  nthPainterImpl.java:957)
          at
  javax.swing.plaf.synth.SynthPanelUI.update(SynthPanelUI.java:155
  )
          at
  javax.swing.JComponent.paintComponent(JComponent.java:778)
          at javax.swing.JComponent.paint(JComponent.java:1054)
          at
  javax.swing.JComponent.paintToOffscreen(JComponent.java:5219)
          at
  javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaint
  Manager.java:295)
          at
  javax.swing.RepaintManager.paint(RepaintManager.java:1249)
          at
  javax.swing.JComponent._paintImmediately(JComponent.java:5167)
          at
  javax.swing.JComponent.paintImmediately(JComponent.java:4978)
          at
  javax.swing.RepaintManager$3.run(RepaintManager.java:808)
          at
  javax.swing.RepaintManager$3.run(RepaintManager.java:796)
          at
  java.security.AccessController.doPrivileged(AccessController.jav
  a:300)
          at
  java.security.ProtectionDomain$1.doIntersectionPrivilege(Protect
  ionDomain.java:76)
          at
  javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java
  :796)
          at
  javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java
  :769)
          at
  javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.j
  ava: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:251
  )
          at
  java.awt.EventQueue.dispatchEventImpl(EventQueue.java:733)
          at java.awt.EventQueue.access$200(EventQueue.java:103)
          at java.awt.EventQueue$3.run(EventQueue.java:694)
          at java.awt.EventQueue$3.run(EventQueue.java:692)
          at
  java.security.AccessController.doPrivileged(AccessController.jav
  a:300)
          at
  java.security.ProtectionDomain$1.doIntersectionPrivilege(Protect
  ionDomain.java:76)
          at
  java.awt.EventQueue.dispatchEvent(EventQueue.java:703)
          at
  java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatc
  hThread.java:242)
          at
  java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchTh
  read.java:161)
          at
  java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatc
  hThread.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)
  .
  

Local fix

Problem summary

• When SwingSet2 demo with Nimbus look and feel is launched on
  AIX, lots of exceptions are thrown on GUI thread, causing GUI to
  hang.
  

Problem conclusion

• This APAR will be fixed in the following Java Releases:
     6 R1 SR8       (6.1.8.0)
     7    SR7       (7.0.7.0)
     6    SR16      (6.0.16.0)
  
  .
  Moving all illegal accesses to GUI components that are outside
  of GUI thread to GUI thread.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  JAVA CLASS LIBS

• Fixed component ID

  620700130

Applicable component levels

• R700 PSY

     UP

• R600 PSY

     UP