ORA 600 [kssadd: Null Parent] Or ORA-600 [kglssr] Errors From JDBC Thin Client Connections (Doc ID 1580221.1)

Last updated on MAY 05, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 to 12.1.0.1 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Symptoms

JDBC Thin client connections sporadically cause the following errors to be generated in the database alert log.
 
ORA-600: internal error code, arguments: [kssadd:  null parent], [], [], [], [], []

   With a Call Stack Trace = kssadd kss_add_child kglGetSO kgllkal kglLock kglget

-or-

ORA-00600: internal error code, arguments: [kglssr], [510], [235], [], [], [], [], []

   With a Call Stack Trace = kglssr kksCleanSessionStat ksuxds ksudel

Changes

Upgraded to 11.2.

Cause

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