My Oracle Support Banner

DataPump Import (IMPDP) Reports ORA-39126 ORA-01403 If There Is A Characterset Conversion (Doc ID 2395280.1)

Last updated on MAY 18, 2021

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database 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
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Running a 12.1.0.2 or 12.2.0.1 Data Pump Import, the job execution stops with the following errors:

 

Changes

The import log file shows a character set conversion:

W-1 Master table "SYS"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
W-1 import done in AL32UTF8 character set and AL16UTF16 NCHAR character set
W-1 export done in AL32UTF8 character set and UTF8 NCHAR character set
W-1 Warning: possible data loss in character set conversions

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
Symptoms
Changes
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.