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Error "Unknown Data Source Class 'sqlproxy'" Opening Workbook


Published: 06 Jun 2016
Last Modified Date: 22 Jul 2016

Issue

When opening a workbook downloaded from Tableau Server in Tableau Reader, the following error might occur:

Unknown data source class 'sqlproxy'.

Environment

  • Tableau Server
  • Tableau Reader
  • MySQL data source

Resolution

Extract the data from the data source prior to opening the workbook in Tableau Reader.

Cause

The workbook is using a live connection to a data source, or using a live connection to a data source published to Tableau Server (live or extracted). Tableau Reader cannot open workbooks or .twbx files that use a live connection to data.
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