DataPump Import (IMPDP) Fails with Error ORA-1427 During Importing Statistics
(Doc ID 1501580.1)
Last updated on JULY 25, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.1.0.2 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.
***Checked for relevance on 06-Nov-2015***
During DataPump import, you encounter errors like:
ORA-39065: unexpected master process exception in DISPATCH
ORA-01427: single-row subquery returns more than one row
Job "SYS"."SYS_IMPORT_FULL_02" stopped due to fatal error at 16:07:30
The import logfile shows:
ORA-39126: Worker unexpected fatal error in KUPW$WORKER.PUT_DDLS [TABLE_STATISTICS]
ORA-06502: PL/SQL: numeric or value error
LPX-00241: entity reference is not well formed
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 95
ORA-06512: at "SYS.KUPW$WORKER", line 9001
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