Error "An error occurred while communicating with Hyper" When Connecting to a Data Source

Published: 30 Jan 2018
Last Modified Date: 16 Feb 2018


When connecting to a data source, the following error might occur:

An error occurred while communicating with Hyper
There was a problem and the data engine could not start properly.


  • Tableau Desktop 10.5
  • Mac OS


Option 1

Upgrade to Tableau Desktop 10.5.1. For more information, see Upgrading Tableau Desktop in Tableau Help.

Option 2

Ensure that the /etc/hosts file contains both of the items below:
  •     localhost
  • ::1                localhost
For more information about how to edit the /etc/hosts file see the following third party link: How to Edit the Hosts File in Mac OS X with Terminal.


This behavior is related to a known issue (ID: 733764) which has been fixed in a recent release of Tableau Desktop. 

Additional Information

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