My Oracle Support Banner

DataPump Export (EXPDP) Fails With Errors ORA-31623 ORA-6512 If Parameter _FIX_CONTROL='6167716:OFF' Has Been Set (Doc ID 1150733.1)

Last updated on APRIL 03, 2020

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.


1. The following error is seen in the alert log:

ORA-07445: exception encountered: core dump [kkqsadjp()+94] [SIGSEGV] [ADDR:0x50] [PC:0x1C53F8C] [Address not mapped to object] []

2. DataPump export even on a simple table fails with:

UDE-31623: operation generated ORACLE error 31623
ORA-31623: a job is not attached to this session via the specified handle
ORA-06512: at "SYS.DBMS_DATAPUMP", line 3263
ORA-06512: at "SYS.DBMS_DATAPUMP", line 4488
ORA-06512: at line 1

3. The parameter _fix_control='6167716:OFF' has been set as a workaround for <Bug 9175853>.


Errors start after using _fix_control='6167716:OFF'


To view full details, sign in with your My Oracle Support account.

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

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.