IZ66112: JVM IS FAILING WITH STACKOVERFLOWERROR FOR ARRAYS.SORT

APAR status

• Closed as program error.

Error description

• Error Message: Arrays.sort(double <OSB><CSB>) will result in
  StackOverflowError for the arrays with length larger than 6 and
  has more than two elements of Double.NaN.
  .
  Stack Trace: at java.util.Arrays.sort(Arrays.java:2236)
  
          at java.util.Arrays.sort(Arrays.java:2236)
  
          at java.util.Arrays.sort(Arrays.java:2236)
  
          at java.util.Arrays.sort(Arrays.java:2236)
  
          at java.util.Arrays.sort(Arrays.java:2236)
  
          at java.util.Arrays.sort(Arrays.java:2236)
  .
  

Local fix

Problem summary

• The problem is caused when the arrays input contains more than 6
  elements and has several Double.NaN elements.
  

Problem conclusion

• This defect will be fixed in:
  6.0.0 SR7
  .
  Arrays.sort(double <OSB><CSB>) method has been updated to
  prevent the StackOverflowError for some specific arrays input.
  .
  To obtain the fix:
  Install build 20091203 or later
  

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

• R600 PSN

     UP