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 to [Release 11.2 to 12.1]
Information in this document applies to any platform.


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


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

   With a Call Stack Trace = kglssr kksCleanSessionStat ksuxds ksudel


Upgraded to 11.2.


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms