Datapump Export of LOB Failed With ORA-01555 ORA-31693 Error With Parallel

(Doc ID 2369795.1)

Last updated on MARCH 13, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Information in this document applies to any platform.

Symptoms

Getting snapshot too old error when trying export a clob, even though the undo retention has been set to a value greater than the length of the export job for LOB segment and undo_retention and there is no LOB corruption.

 

Cause

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