ORA-07445: exception encountered: core dump [nstimset()+ nnn] (Doc ID 373379.1)

Last updated on APRIL 06, 2020

Applies to:

Oracle Net Services - Version 10.2.0.5 to 12.1.0.1 [Release 10.2 to 12.1]
Information in this document applies to any platform.
***Checked for relevance on 26-Apr-2013***

Symptoms

1. Server process terminated with ORA-7445 when DCD was enabled (sqlnet.expire_time set in sqlnet.ora)

Thu May 4 13:38:58 2006
Errors in file /../admin/<dbname>/udump/<instname>_ora_26294.trc:
ORA-07445: exception encountered: core dump [snstimsane()+43] [SIGSEGV]
[Address not mapped to object] [0x000000000] [] []
ORA-03135: connection lost contact

2. Dispatcher or shared server process may die with following errors in alert.log:

Sun Oct 10 23:39:53 2004
Errors in file /../../../admin/<dbname>/bdump/<instname>_d000_954452.trc:
ORA-07445: exception encountered: core dump [] [] [] [] [] []
Sun Oct 10 23:40:14 2004
found dead dispatcher 'D000', pid = (28, 5)

3. A typical call stack which can be found inside the resultant trace file is:

Call Stack Trace
----------------
snstimsane nstimexp ltmdvp ltmdrv sltmdf sslsstehdlr sslsshandler funlockfile kksSearchChildList kksfbc kkspsc0 kksParseCursor opiosq0 opiosq opiodr rpidrus skgmstack rpidru