Ora-07445 Qkerfex When Running SQL Query With IN Clause

(Doc ID 1307248.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Standard Edition - Version 11.2.0.2 and later
Information in this document applies to any platform.
Affected Database: Oracle

Symptoms

When attempting to run sql query with IN Clause ,have about 4,000 values.

The following error occurs.

ERROR
-----------------------
ORA-07445: exception encountered: core dump [qkerfex()+658] [SIGSEGV]

STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1. upgrade from 11.2.0.1 to 11.2.0.2
2. Run the sql query

Changes

Upgrade From 11.2.0.1 to 11.2.0.2

Cause

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