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"Internal server error - TableauException" When Publishing Cross-Database Join Data Sources


Published: 24 Aug 2017
Last Modified Date: 17 Nov 2017

Issue

When publishing a data source containing a cross-database join between a flat file and a database (such as PostgreSQL or Redshift), the publication may fail and the following error may occur:

Internal server error
TableauException

Environment

  • Tableau Desktop 10.3.2
  • When publishing your data source, the Include external files option was unchecked
  • File-based connection(s)

Resolution

Option 1

Upgrade to Tableau Desktop 10.3.4 or 10.2.6. For more information, see Upgrading Tableau Desktop in Tableau Help.

Option 2

If you are unable to upgrade, please try one of the following workarounds: 
  1. Check the box 'Include external files' during the publication process.
  2. Publish the data source using Tableau Desktop 10.3.1.

Cause

This behavior is related to a known issue (ID: 687129) which has been fixed in a recent release of Tableau Desktop. 
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