PI63560: JVM crash on Microsoft Windows while invoking ProcessCPU

8.5.5.10: WebSphere Application Server V8.5.5 Fix Pack 10
8.5.5.11: WebSphere Application Server V8.5.5 Fix Pack 11
8.5.5.12: WebSphere Application Server V8.5.5 Fix Pack 12
8.5.5.13: WebSphere Application Server V8.5.5 Fix Pack 13
8.5.5.14: WebSphere Application Server V8.5.5 Fix Pack 14
8.5.5.15: WebSphere Application Server V8.5.5 Fix Pack 15
8.5.5.17: WebSphere Application Server V8.5.5 Fix Pack 17
8.5.5.20: WebSphere Application Server V8.5.5.20
8.5.5.18: WebSphere Application Server V8.5.5 Fix Pack 18
8.5.5.19: WebSphere Application Server V8.5.5 Fix Pack 19
8.5.5.16: WebSphere Application Server V8.5.5 Fix Pack 16
8.5.5.21: WebSphere Application Server V8.5.5.21

APAR status

• Closed as program error.

Error description

• Need iFix for PI36921 fro WAS V8559 running Java 1.8
  
  WAS Version -  ND 8.5.5.9 cf091608.05
  
  JRE 1.8.0 Windows Server 2012 R2 amd64-64 build
  (pwa6480sr2fp10ifix-20160223_01(SR2
  FP10+IV81318+IV81645+IV81741+IV81716) )
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of IBM WebSphere Application      *
  *                  Server WAS ND edition- Virtual              *
  *                  Enterprise/IM Component                     *
  ****************************************************************
  * PROBLEM DESCRIPTION: JVM crash on Windows due to             *
  *                      stackoverflow in ProcessCPU module      *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  WebSphere Application Server native code ProcessCPU64.dll
  experiences native stackoverflow and crash while collecting CPU
  stats. A case with the process id size of zero was not being
  handled correctly.
  

Problem conclusion

• The code is fixed to handle the case where the size passed for
  Java process id's may be zero.
  
  The fix for this APAR is currently targeted for inclusion in fix
  pack 8.5.5.10.  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:

Fix information

• Fixed component name

  WEBS APP SERV N

• Fixed component ID

  5724H8800

Applicable component levels

• R850 PSY

     UP