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https://issues.apache.org/jira/browse/HIVE-19814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16589134#comment-16589134
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Sahil Takiar commented on HIVE-19814:
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[~bharos92] the new unit test looks good. Just one minor comment, inside
{{testServerPortAssignment}} it would be good to open a new {{SparkSession}}
using the {{SparkSessionManager}}. This should help verify that the new
{{SparkSession}} is successfully able to connect to a {{RpcServer}} with a
custom port.
> RPC Server port is always random for spark
> ------------------------------------------
>
> Key: HIVE-19814
> URL: https://issues.apache.org/jira/browse/HIVE-19814
> Project: Hive
> Issue Type: Bug
> Components: Spark
> Affects Versions: 2.3.0, 3.0.0, 2.4.0, 4.0.0
> Reporter: bounkong khamphousone
> Assignee: Bharathkrishna Guruvayoor Murali
> Priority: Major
> Attachments: HIVE-19814.1.patch, HIVE-19814.2.patch
>
>
> RPC server port is always a random one. In fact, the problem is in
> RpcConfiguration.HIVE_SPARK_RSC_CONFIGS which doesn't include
> SPARK_RPC_SERVER_PORT.
>
> I've found this issue while trying to make hive-on-spark running inside
> docker.
>
> HIVE_SPARK_RSC_CONFIGS is called by HiveSparkClientFactory.initiateSparkConf
> > SparkSessionManagerImpl.setup and the latter call
> SparkClientFactory.initialize(conf) which initialize the rpc server. This
> RPCServer is then used to create the sparkClient which use the rpc server
> port as --remote-port arg. Since initiateSparkConf ignore
> SPARK_RPC_SERVER_PORT, then it will always be a random port.
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