ORA-39126 / ORA-01422 While Exporting Transportable Tables Via Datapump
(Doc ID 1677019.1)
Last updated on AUGUST 02, 2019
Applies to:Oracle Database - Standard Edition - Version 18.104.22.168 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Information in this document applies to any platform.
Customer receives error in Datapump operation involving transportable tablespaces. Error causes Datapump job to crash.
ORA-39126: Worker unexpected fatal error in KUPW$WORKER.FETCH_XML_OBJECTS [TABLE:"<SCHEMA>"."<TABLE_NAME>"]
ORA-01422: exact fetch returns more than requested number of rows
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 95
ORA-06512: at "SYS.KUPW$WORKER", line 9001
Trace shows that the error is coming from querying SYS.KU$_XDB_NTABLE_OBJNUM_VIEW:
SELECT /*+rule*/ KU$.OBJ_NUM FROM SYS.KU$_XDB_NTABLE_OBJNUM_VIEW KU$
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