RS03125: MEMORY LEAK IN HTDS WHEN XOM IS USING JAXB ANNOTATION

Operational Decision Manager V8.9.0.2: Interim Fix 16
Operational Decision Manager V8.8.1.3: Interim Fix 91
Operational Decision Manager V8.8.1.4 Fix Pack
Operational Decision Manager V8.9.2.2 Fix Pack
Operational Decision Manager for z/OS 8.9.2.2 Fix Pack
Operational Decision Manager V8.8.1.3: Interim Fix 96
Operational Decision Manager V8.9.2.1: Interim Fix 17
Operational Decision Manager V8.9.2.1: Interim Fix 19
Operational Decision Manager V8.9.1.0: Interim Fix 30
Operational Decision Manager V8.9.0.2: Interim Fix 15

APAR status

• Closed as program error.

Error description

• After days of execution, XOM Classloaders are
  not released from memory and creates a memory leak resulting
  in application server failure.
  

Local fix

• N/A
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * Customers using ODM                                          *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * After a few days, the memory leak can grow large enough to   *
  * crash the application server.                                *
  *                                                              *
  * This applies to JSON payload only, and does not apply if     *
  * there is no annotation used.                                 *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  

Problem conclusion

• Code has been improved and 3 parameters have been created :
  ResetJsonMapperXomClassloaderInstancesThreshold,
  ResetJsonMapperHtdsCallsThreshold and
  ResetJsonMapperElapsedHoursThreshold
  

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

  WS DECISION CTR

• Fixed component ID

  5725B6900

Applicable component levels