Data Pump Export Fails with ORA-39126 / ORA-8181 When Exporting from a Physical Standby Database Using a Network Link

(Doc ID 2359534.1)

Last updated on FEBRUARY 19, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

In 12.1 and 12.2, using Data Pump with a network link to export data from a physical standby database fails with:

...
Processing object type SCHEMA_EXPORT/SYNONYM/SYNONYM
ORA-39126: Worker unexpected fatal error in KUPW$WORKER.FETCH_XML_OBJECTS [ORA-08181: specified number is not a valid system change number
...

 

Changes

 

Cause

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