Data Pump Export reports ORA-39126 / ORA-00904 in KUPW$WORKER.FETCH_XML_OBJECTS (Doc ID 1448992.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 12.1.0.2 [Release 10.1 to 12.1]
Information in this document applies to any platform.
***Checked for relevance on 01-Apr-2015***

Symptoms

DataPump Export (expdp) terminated due to errors:

Estimate in progress using BLOCKS method...
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
ORA-39126: Worker unexpected fatal error in KUPW$WORKER.FETCH_XML_OBJECTS []
ORA-39126: Worker unexpected fatal error in KUPW$WORKER.GET_TABLE_DATA_OBJECTS []
ORA-00904: : invalid identifier


The trace file confirms:

ORA-39126: Worker unexpected fatal error in KUPW$WORKER.FETCH_XML_OBJECTS []
ORA-00904: : invalid identifier

ORA-06512: at "SYS.DBMS_SYS_ERROR", line 86
ORA-06512: at "SYS.KUPW$WORKER", line 8996

----- PL/SQL Call Stack -----
object line object
handle number name
0x97654230 20462 package body SYS.KUPW$WORKER
0x97654230 9028 package body SYS.KUPW$WORKER
0x97654230 10935 package body SYS.KUPW$WORKER
0x97654230 13698 package body SYS.KUPW$WORKER
0x97654230 2654 package body SYS.KUPW$WORKER
0x97654230 9697 package body SYS.KUPW$WORKER
0x97654230 1775 package body SYS.KUPW$WORKER
0x99b6f908 2 anonymous block

 
If the Impdp fails while errorstack tracing was enabled like below:

 

Cause

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