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https://issues.apache.org/jira/browse/SPARK-28910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16924715#comment-16924715
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Yuming Wang commented on SPARK-28910:
-------------------------------------

[~hyukjin.kwon] Could you assignee this ticket to [~bogdanghit]
[https://github.com/apache/spark/pull/25663#issuecomment-528764221]

> Prevent schema verification when connecting to in memory derby
> --------------------------------------------------------------
>
>                 Key: SPARK-28910
>                 URL: https://issues.apache.org/jira/browse/SPARK-28910
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.4.3
>            Reporter: Juliusz Sompolski
>            Priority: Major
>
> When {{hive.metastore.schema.verification=true}}, 
> {{HiveUtils.newClientForExecution}} fails with 
> {code}
> 19/08/14 13:26:55 WARN Hive: Failed to access metastore. This class should 
> not accessed in runtime.
> org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.RuntimeException: 
> Unable to instantiate 
> org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient
> at org.apache.hadoop.hive.ql.metadata.Hive.getAllDatabases(Hive.java:1236)
> at org.apache.hadoop.hive.ql.metadata.Hive.reloadFunctions(Hive.java:174)
> at org.apache.hadoop.hive.ql.metadata.Hive.<clinit>(Hive.java:166)
> at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:503)
> at 
> org.apache.spark.sql.hive.client.HiveClientImpl.newState(HiveClientImpl.scala:186)
> at 
> org.apache.spark.sql.hive.client.HiveClientImpl.<init>(HiveClientImpl.scala:143)
> at 
> org.apache.spark.sql.hive.client.IsolatedClientLoader.createClient(IsolatedClientLoader.scala:290)
> at 
> org.apache.spark.sql.hive.HiveUtils$.newClientForExecution(HiveUtils.scala:275)
> at 
> org.apache.spark.sql.hive.thriftserver.HiveThriftServer2$.startWithContext(HiveThriftServer2.scala:58)
> ...
> Caused by: java.lang.RuntimeException: Unable to instantiate 
> org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient
> {code}
> This prevents Thriftserver from starting



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