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DataPump Job Is Failing With ORA-39126 And ORA-12838 (Doc ID 2163108.1)

Last updated on JANUARY 16, 2020

Applies to:

Oracle Database - Enterprise Edition - Version and later
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.


Running a datapump export job is failing with the following errors:

expdp system/<PASSWORD> full=y DIRECTORY=<MY_DIR> dumpfile=<DUMPFILE> logfile=<LOGFILE> job_name=<JOB_NAME>

Export: Release - Production on Fri Jul 8 06:46:18 2016

Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.

Connected to: Oracle Database 11g Enterprise Edition Release - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Starting "SYSTEM"."<JOB_NAME>": system/<PASSWORD>full=y DIRECTORY=<MY_DIR> dumpfile=<DUMPFILE> logfile=<LOGFILE> job_name=<JOB_NAME>
Estimate in progress using BLOCKS method...
ORA-39126: Worker unexpected fatal error in KUPW$WORKER.FETCH_XML_OBJECTS []
ORA-12838: cannot read/modify an object after modifying it in parallel

ORA-06512: at "SYS.DBMS_SYS_ERROR", line 86
ORA-06512: at "SYS.KUPW$WORKER", line 9710

----- PL/SQL Call Stack -----
object line object
handle number name
6eaf03398 21979 package body SYS.KUPW$WORKER
6eaf03398 9742 package body SYS.KUPW$WORKER
6eaf03398 11838 package body SYS.KUPW$WORKER
6eaf03398 14674 package body SYS.KUPW$WORKER
6eaf03398 2734 package body SYS.KUPW$WORKER
6eaf03398 10422 package body SYS.KUPW$WORKER
6eaf03398 1824 package body SYS.KUPW$WORKER
6ef10a760 2 anonymous block


No changes, datapump export has never worked on this database.


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