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"Error Code 94912244 Bad connection" when connecting to Spark SQL from Tableau Desktop

Publiseringsdato: Feb 24, 2026
Beskrivelse

When dragging tables for a Spark SQL connection onto the canvas in Tableau Desktop, the following error can occur:
 

Bad Connection: Tableau could not connect to the data source.
Error Code 94912244
Unable to connect to the Spark SQL server.
Check that the server is running and that you have access privileges to the requested database.

 

User-added image

 

Cause

Data source permission issue.

 

Løsning
  1. Check if Databricks cluster's Service Principle is set up for BI passthrough.
  2. Check if those tables are added into the Schema on the Databricks side.

 

Knowledge-artikkelnummer

001475379

 
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