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Re: Conversion from number to string failed due to undersized character buffer

We were facing same issue.

you can set configuration “spark.thriftserver.arrowBasedRowSet.enabled false” under Advanced options -> Spark tab in any Databricks and restart cluster.

This fixed the issue for us

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Helper I

Re: Conversion from number to string failed due to undersized character buffer

I'm not an admin on my Databricks implementation, so I don't want to mess around with configurations under advanced options for my cluster if I can avoid it. But this update was just provided on the support page (https://powerbi.microsoft.com/en-us/support/), so I think I'll just hold and wait for this:

 

"Engineers are working on a fix and expect it to be deployed by end-of-day 07/01/2020."

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