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Error "Tableau Server encountered an unknown error. Operation Canceled" When Publishing


Published: 25 Mar 2014
Last Modified Date: 05 Aug 2016

Issue

When publishing using tabcmd while another tabcmd command is running, one of the following errors might occur: 
 
Internal Error
Tableau Server encountered an unknown error.
Operation Canceled.

Or

*** Tableau Server cannot complete the operation because the repository is not available. Wait a few minutes and then try to publish again.
org.hibernate.exception.ConstraintViolationException: could not execute statement "

Environment

Tableau Server

Resolution

Option 1

Run tabcmd commands on different computers.

Option 2

Use different user accounts to run tabcmd commands on the same computer.

Cause

It is not possible to run simultaneous tabcmd commands on the same computer using the same user account.
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