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Error "Refresh failed because the datasource was overwritten by another task" Refreshing Extract


Published: 14 Feb 2014
Last Modified Date: 19 Jul 2016

Issue

When you try to refresh an extract, the following error might occur:

Refresh failed because the datasource was overwritten by another task during processing. Submit refresh again to correct

Environment

  • Tableau Server 8.1
  • Extracts

Resolution

Schedule extract refreshes such that incremental and full refreshes of the same extract do not overlap. For example, ensure that a full refresh has sufficient time to complete before an incremental refresh begins.

Cause

This error occurs when multiple refreshes are run simultaneously on the same extract.
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