KNOWLEDGE BASE

Error "The connection to the data source might have been lost" Connecting to Oracle


Published: 02 Aug 2013
Last Modified Date: 02 Jun 2017

Issue

When you connect to an Oracle data source, the following error might occur:
 
An error occurred while communicating with data source '<data source name>'.
The connection to the data source might have been lost.
The connection to the data source might have been lost.
Communication with the Tableau Protocol Server process was lost.

Environment

  • Tableau Desktop
  • Oracle

Resolution

Download and install the Oracle drivers specific to your Tableau Desktop version. For more information, see the Drivers & Activation page.

Cause

The drivers necessary for connecting to Oracle from Tableau Desktop are not installed on the computer running Tableau Desktop.
Did this article resolve the issue?