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DataPump Export (expdp) Returns ORA-1427 When Partitioned IOTs With Same Name Exist in More Than One Schema (Doc ID 1064840.1)

Last updated on JANUARY 30, 2022

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 Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


You performed a schema export using DataPump utility (expdp). If partitioned IOTs with same name exist in two different schemas, then expdp returns:

ORA-39126: Worker unexpected fatal error in KUPW$WORKER.GET_TABLE_DATA_OBJECTS []
ORA-1427: single-row subquery returns more than one row
ORA-6512: at "SYS.DBMS_SYS_ERROR", line 86
ORA-6512: at "SYS.KUPW$WORKER", line 8159
----- PL/SQL Call Stack -----
object line object
handle number name
486ad7d80 19028 package body SYS.KUPW$WORKER
486ad7d80 8191 package body SYS.KUPW$WORKER
486ad7d80 12728 package body SYS.KUPW$WORKER
486ad7d80 2425 package body SYS.KUPW$WORKER
486ad7d80 8846 package body SYS.KUPW$WORKER
486ad7d80 1651 package body SYS.KUPW$WORKER
4924fee18 2 anonymous block

This reproduces with Oracle version Does not reproduce with or older.

NOTE:  In the testcase content below, the user information and metadata used represents fictitious data.  Any similarity to actual persons, living or dead, is purely coincidental and not intended in any manner.

Here an example that demonstrates this:




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