ORA-07445 [qkanindex] in the alert log for job queue slave process (Doc ID 1506405.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Information in this document applies to any platform.

Symptoms

In alert log, the below errors are popping up periodically.

ORA-07445: exception encountered: core dump [qkanindex()+808]

When you verify the alert log, you will also observe that sql tuning advisor was trying to start just before the ORA-07445 error(like below message).

You will observe this pattern everytime the ORA-07445 is seen.
Begin automatic SQL Tuning Advisor run for special tuning task "SYS_AUTO_SQL_TUNING_TASK"

Stack trace:
--------------

skdstdst <- ksedst1 <- ksedst <- dbkedDefDump <- ksedmp <- ssexhd <- sighandler <- qkanindex <- 03E903E903E903E9


This error is always seen from job queue slave process.

Changes

Recently disabled sql tuning advisor from autotasks of scheduler

Diagnostic Details

Take the output of dba_autotask_client_history.

Cause

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