ORA-1555 Errors with Unrealistic Query Duration

(Doc ID 1574399.1)

Last updated on DECEMBER 06, 2016

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2 to 11.1]
Information in this document applies to any platform.


You may notice ORA-1555 error messages with unrealistic Query Duration (eg: 1267599232) as if the query is running from Epoch.

For Example:



No changes.


Sign In with your My Oracle Support account

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

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms