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  1. JDK
  2. JDK-8149355

IllegalArgumentException exception in awt - Comparison method violates its general contract!

    Details

      Description

      FULL PRODUCT VERSION :
      java version "1.8.0_25"
      Java(TM) SE Runtime Environment (build 1.8.0_25-b18)
      Java HotSpot(TM) Client VM (build 25.25-b02, mixed mode, sharing)


      ADDITIONAL OS VERSION INFORMATION :
      windows

      EXTRA RELEVANT SYSTEM CONFIGURATION :
      quite commonly seen on any windows environment. please not it is not specific to xp.

      A DESCRIPTION OF THE PROBLEM :
      I am seeing this exception quite regularly. There no code specific to my application the stack trace.

      Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: Comparison method violates its general contract!
      at java.util.TimSort.mergeHi(TimSort.java:895)
      at java.util.TimSort.mergeAt(TimSort.java:512)
      at java.util.TimSort.mergeForceCollapse(TimSort.java:453)
      at java.util.TimSort.sort(TimSort.java:250)
      at java.util.Arrays.sort(Arrays.java:1512)
      at java.util.ArrayList.sort(ArrayList.java:1454)
      at java.util.Collections.sort(Collections.java:175)
      at javax.swing.SortingFocusTraversalPolicy.enumerateAndSortCycle(SortingFocusTraversalPolicy.java:136)
      at javax.swing.SortingFocusTraversalPolicy.getFocusTraversalCycle(SortingFocusTraversalPolicy.java:110)
      at javax.swing.SortingFocusTraversalPolicy.getFirstComponent(SortingFocusTraversalPolicy.java:445)
      at javax.swing.LayoutFocusTraversalPolicy.getFirstComponent(LayoutFocusTraversalPolicy.java:166)
      at javax.swing.SortingFocusTraversalPolicy.getDefaultComponent(SortingFocusTraversalPolicy.java:535)
      at java.awt.FocusTraversalPolicy.getInitialComponent(FocusTraversalPolicy.java:169)
      at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:420)
      at java.awt.Component.dispatchEventImpl(Component.java:4752)
      at java.awt.Container.dispatchEventImpl(Container.java:2292)
      at java.awt.Window.dispatchEventImpl(Window.java:2739)
      at java.awt.Component.dispatchEvent(Component.java:4703)
      at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746)
      at java.awt.EventQueue.access$400(EventQueue.java:97)
      at java.awt.EventQueue$3.run(EventQueue.java:697)
      at java.awt.EventQueue$3.run(EventQueue.java:691)
      at java.security.AccessController.doPrivileged(Native Method)
      at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
      at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
      at java.awt.EventQueue$4.run(EventQueue.java:719)
      at java.awt.EventQueue$4.run(EventQueue.java:717)
      at java.security.AccessController.doPrivileged(Native Method)
      at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
      at java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
      at java.awt.SequencedEvent.dispatch(SequencedEvent.java:128)
      at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:744)
      at java.awt.EventQueue.access$400(EventQueue.java:97)
      at java.awt.EventQueue$3.run(EventQueue.java:697)
      at java.awt.EventQueue$3.run(EventQueue.java:691)
      at java.security.AccessController.doPrivileged(Native Method)
      at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
      at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
      at java.awt.EventQueue$4.run(EventQueue.java:719)
      at java.awt.EventQueue$4.run(EventQueue.java:717)
      at java.security.AccessController.doPrivileged(Native Method)
      at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
      at java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
      at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
      at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
      at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
      at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
      at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
      at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)


      REGRESSION. Last worked in version 6u45

      ADDITIONAL REGRESSION INFORMATION:
      this started happening since implementation of timsort changes.

      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      happens when switching winodws or click on tabs menus etc.


      REPRODUCIBILITY :
      This bug can be reproduced often.

      CUSTOMER SUBMITTED WORKAROUND :
      none.

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              • Assignee:
                ssadetsky Semyon Sadetsky (Inactive)
                Reporter:
                webbuggrp Webbug Group
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                • Created:
                  Updated:
                  Resolved: