PK29637: ARRAY INDEX OUT OF BOUNDS EXCEPTION UNDER STRESS ON Z/OS

6.1.0.2: WebSphere Application Server V6.1.0 Fix Pack 2 for Solaris
6.1.0.2: WebSphere Application Server V6.1.0 Fix Pack 2 for Linux
6.1.0.2: WebSphere Application Server V6.1.0 Fix Pack 2 for Windows
6.1.0.2: WebSphere Application Server V6.1.0 Fix Pack 2 for AIX
6.1.0.2: WebSphere Application Server V6.1.0 Fix Pack 2 for HP-UX
6.1.0.2: WebSphere Application Server V6.1.0 Fix Pack 2 for i5/OS

APAR status

• Closed as program error.

Error description

• When running under stress for 16 hours or so,
  ArrayIndexOutOfBoundsException eventually begins to appear in
  the derby log.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All WebSphere Application Server version 6.1 *
  *                 users of the Derby database on zSeries.      *
  ****************************************************************
  * PROBLEM DESCRIPTION: When running under stress for several   *
  *                      hours, ArrayIndexOutOfBoundsException   *
  *                      occurs and appears in the Derby log.    *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  When running under stress for several hours,
  ArrayIndexOutOfBoundsException occurs and appears in the Derby
  log. The exception stack is the following,
  
  java.lang.ArrayIndexOutOfBoundsException
    at org.apache.derby.impl.drda.DDMWriter.startDdm
    at org.apache.derby.impl.drda.DRDAConnThread.writeSQLCARD
    at org.apache.derby.impl.drda.DRDAConnThread.writeSQLCARDs
    at org.apache.derby.impl.drda.DRDAConnThread.writeSQLCARDs
    at org.apache.derby.impl.drda.DRDAConnThread.checkWarning
    at org.apache.derby.impl.drda.DRDAConnThread.parseEXCSQLSTT
    at org.apache.derby.impl.drda.DRDAConnThread.processCommands
    at org.apache.derby.impl.drda.DRDAConnThread.run
  

Problem conclusion

• Updated WebSphere Application Server with a new build of Derby
  where the problem is fixed.
  
  The fix for this APAR is currently targeted for inclusion
  in fixpack 6.1.0.2.
  Please refer to the recommended updates page for delivery
  information:
  http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
  

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:

Modules/Macros

• CLOUDSCP
  

Fix information

• Fixed component name

  WEBSPH APP SERV

• Fixed component ID

  5724J0800

Applicable component levels

• R60A PSN

     UP

• R60H PSN

     UP

• R60I PSN

     UP

• R60P PSN

     UP

• R60S PSN

     UP

• R60W PSN

     UP

• R60Z PSN

     UP

• R61A PSN

     UP

• R61H PSN

     UP

• R61I PSN

     UP

• R61P PSN

     UP

• R61S PSN

     UP

• R61W PSN

     UP

• R61Z PSY

     UP