Error ORA-39064 Might Be Encountered By DataPump Export (EXPDP) When NLS_LANG Is Different From Database Character Set
(Doc ID 1321034.1)
Last updated on JANUARY 30, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 10.1.0.2 and laterOracle 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 Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
In a multi-byte character set environment, if the client variable NLS_LANG is set to a character set which is different from database the character set, then DataPump export may encounter errors like:
ORA-29285: file write error
The Utilities manual specifies:
"Note: Data Pump Export writes the log file using the database character set. If your client NLS_LANG environment setting sets up a different client character set from the database character set, then it is possible that table names may be different in the log file than they are when displayed on the client output screen."
Changes
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |