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Get ORA-7745 kglLock When Using Connection Pooling Bug:10395345 (Doc ID 1353528.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 to 11.2.0.2 [Release 11.2]
Information in this document applies to any platform.

Symptoms

You are using connection pooling and are experiencing hanging and/or seeing the following errors in the alert log (similar to the following):

ORA-07445: exception encountered: core dump [kglLock()+3244]

or

ORA-07445: exception encountered: core dump [kglLock()+937] [SIGSEGV] [ADDR:0x0] [PC:0x90E38CD] [SI_KERNEL(general_protection)] []

 

The stack trace will be similar to the following:

kglLock <- kglget <- kzulgt1 <- kzulgt <- kzia3a <- kpolna <- kpogsk <- opiodr <- ttcpip ...

Cause

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