HyukjinKwon commented on issue #27970: [SPARK-31203][BUILD] Upgrade derby to 10.14.2.0 from 10.12.1.1 URL: https://github.com/apache/spark/pull/27970#issuecomment-602150866 Yeah, Derby isn't for production purpose - separate Metastore is supposed to be used. I don't think that security issue actually matters too. Also, yes, I wouldn't upgrade derby but rather try to match with Hive's side. Furthermore, different Derby can be picked up (see https://github.com/apache/spark/pull/20944). Sharing it will potentially cause an issue; therefore, technically upgrading does not fully address the issue you pointed out. -1 from me.
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