IV03623: NULLPOINTEREXCEPTION WHEN CALLING SETENABLED ON JCOMBOBOX

APAR status

• Closed as program error.

Error description

• Error Message: N/A
  .
  Stack Trace: The partial stacktrace is as follows:
  java.lang.NullPointerException
  
  at
  javax.swing.LayoutComparator.compare(LayoutComparator.java:136)
  at
  java.util.Collections.indexedBinarySearch(Collections.java:337)
  at java.util.Collections.binarySearch(Collections.java:325)
  at
  javax.swing.SortingFocusTraversalPolicy.getComponentAfter(Sortin
  gFocusTraversalPolicy.java:302)
  at javax.swing.LayoutFocusTraversalPolicy.getComponentAfter
  (LayoutFocusTraversalPolicy.java:118)
  at java.awt.Component.nextFocusHelper(Component.java:6759
  etc...
  .
  

Local fix

Problem summary

• When the sub-components is not be part of current focus cycle
  under iteration, it search with parent component in place for
  that particular focus cycle.However, the validation to check
  whether the parent is null does not exist and it result in a
  null pointer exception.
  

Problem conclusion

• This defect will be fixed in:
  5.0.0 SR13
  .
  The JDK is modified to add the required validation for null
  parent before doing the search.
  

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 5 CLASS LI

• Fixed component ID

  620500130

Applicable component levels

• R500 PSN

     UP