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Error "Communication with the Tableau Protocol Server Process Was Lost" Refreshing Oracle Extract


Published: 31 Jul 2013
Last Modified Date: 21 Jul 2016

Issue

When you try to refresh an extract on Tableau Server, the following error might occur:
 
com.tableausoftware.nativeappi.dll.DataSourceException. Communication with the Tableau Protocol Server process was lost
 

Environment

  • Tableau Server
  • Oracle

Resolution

Schedule the refresh for a time that does not overlap with the ETL rebuild cycles.

Cause

The tables associated with the underlying data source of the extract are undergoing ETL/rebuild cycles during the time of the scheduled refresh.
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