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Errors "Internal Server Error" Or "ConcurrentUpdateDuringRefreshException" Refreshing Extracts Using Tableau Bridge


Published: 26 Oct 2016
Last Modified Date: 04 Jul 2017

Issue

When refreshing an extract using Tableau Bridge (formerly the Online Sync Client), the following errors might occur: 
 
Failed to refresh data source: [DataSourceName] due to the following error: Internal server error\n
 
The following error may display in the Tableau Bridge logs: 
 
ConcurrentUpdateDuringRefreshException

Environment

  • Tableau Online
  • Tableau Bridge (formerly Online Sync Client)

Resolution

Ensure the following: 
  • That there is only one windows service account running the Tableau Bridge application on a single machine. 
  • That multiple Tableau Bridge applications are not using the same Tableau Online account. 

Cause

This error can occur when the same Tableau Online account is used to sign into multiple instances of Tableau Bridge that refresh the same data source.
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