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Posted to issues@spark.apache.org by "Cheng Lian (JIRA)" <ji...@apache.org> on 2014/10/22 01:26:34 UTC
[jira] [Commented] (SPARK-4037) NPE in JDBC server when calling SET
[ https://issues.apache.org/jira/browse/SPARK-4037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14179305#comment-14179305 ]
Cheng Lian commented on SPARK-4037:
-----------------------------------
This is a regression of SPARK-2814, added in SPARK-3729.
One solution is let HiveContext always reuse SessionState started within the same thread, if there's none, create a new one. In this way, we don't need to override the SessionState field in HiveThriftServer2, thus eliminate this issue.
> NPE in JDBC server when calling SET
> -----------------------------------
>
> Key: SPARK-4037
> URL: https://issues.apache.org/jira/browse/SPARK-4037
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Michael Armbrust
> Assignee: Cheng Lian
> Priority: Blocker
>
> {code}
> SET spark.sql.shuffle.partitions=10;
> {code}
> {code}
> 14/10/21 18:00:47 ERROR server.SparkSQLOperationManager: Error executing query:
> java.lang.NullPointerException
> at org.apache.spark.sql.hive.HiveContext.runHive(HiveContext.scala:309)
> at org.apache.spark.sql.hive.HiveContext.runSqlHive(HiveContext.scala:272)
> at org.apache.spark.sql.hive.HiveContext.setConf(HiveContext.scala:244)
> at org.apache.spark.sql.execution.SetCommand.sideEffectResult$lzycompute(commands.scala:64)
> ...
> {code}
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