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https://issues.apache.org/jira/browse/SPARK-51376?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neil Ramaswamy updated SPARK-51376:
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Summary: TransformWithState should prescribe RocksDB in its error message
when HDFS is in use (was: TransformWithState should throw a nice error message
when HDFS is in use)
> TransformWithState should prescribe RocksDB in its error message when HDFS is
> in use
> ------------------------------------------------------------------------------------
>
> Key: SPARK-51376
> URL: https://issues.apache.org/jira/browse/SPARK-51376
> Project: Spark
> Issue Type: Improvement
> Components: Structured Streaming
> Affects Versions: 4.0.0
> Reporter: Neil Ramaswamy
> Priority: Major
>
> Currently, when HDFS is used with TWS, we throw the following exception:
> `UNSUPPORTED_FEATURE.STATE_STORE_MULTIPLE_COLUMN_FAMILIES`. The error does
> not indicate how to fix the error—not good!
> Really, the exception that we need to be throwing is that HDFS is not
> supported, and that RocksDB should be used.
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