ORA-39097: Data Pump job encountered unexpected error -12801
Oracle Database - Enterprise Edition - Version 10.2.0.4 to 11.2.0.3 [Release 10.2 to 11.2]
Information in this document applies to any platform.
***Checked for relevance on 29-Apr-2014***
Data Pump Import in a RAC database fails with errors like:
ORA-39065: unexpected master process exception in MAIN
ORA-12801: error signaled in parallel query server PZ99, instance
ORA-01460: unimplemented or unreasonable conversion requested Job stopped due to fatal error at .
Changes
The fix for Bug 9375300 is applied (this fix is included starting with 11.2.0.2 PSU 5 and in 11.2.0.3).
The workaround from:
Note 1427537.1 - DataPump Import (IMPDP) Fails With Errors ORA-39097 ORA-39065 ORA-12801 ORA-1460 In RAC Environment
to set PARALLEL_DEGREE_POLICY=MANUAL in all instances was used without success.
Cause
The errors are caused by:
Bug 13099577 - ORA-1460 with parallel query
This is a regression introduced in 11.2.0.2.5 and 11.2.0.3 by the fix for Bug 9375300
The bug is fixed a.o. fixed in
- 12.1.0.1 (Base Release)
- 11.2.0.4 (Server Patch Set)
For the above and other fixed versions, refer to:
Please also refer to
Note 13099577.8 - Bug 13099577 - ora-12801 and ORA-1460 with parallel query
Solution
o Upgrade to 12c
- OR -
o Apply patch set 11.2.0.4
- OR -
o For 11.2.0.2 / 11.2.0.3, apply PSU 11.2.0.2.7 (Patch 13923804) or PSU 11.2.0.3.4 (Patch 14275605) or higher
- OR -
o Apply interim patch 13099577 if available for your platform and Oracle version.
To check for conflicting patches, please use the MOS Patch Planner Tool
Please refer to
Note 1317012.1 - How To Use MOS Patch Planner To Check And Request The Conflict Patches?
- OR -
o For Exadata environments:
- On top of 11.2.0.2 apply Bundle Patch 16 (Patch 13837673) or subsequent ones
- On top of 11.2.0.3 apply Bundle Patch 5 (Patch 13734832) or subsequent ones
- OR -
o A possible workaround is to set (in all instances):
PARALLEL_FORCE_LOCAL=TRUE
By setting PARALLEL_FORCE_LOCAL to TRUE, the parallel server processes are restricted.
This way, they can only operate on the same RAC node where the DW coordinator process resides.
References
BUG:13099577 - ORA-1460 WHEN PARALLEL QUERY SERVERS ARE USEDNOTE:13099577.8 - Bug 13099577 - ora-12801 and ORA-1460 with parallel query
NOTE:1427537.1 - DataPump Import (IMPDP) Fails With Errors ORA-39097 ORA-39065 ORA-12801 ORA-1460 In RAC Environment
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