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https://issues.apache.org/jira/browse/SPARK-29423?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-29423:
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Issue Type: Improvement (was: Bug)
> leak on org.apache.spark.sql.execution.streaming.StreamingQueryListenerBus
> ---------------------------------------------------------------------------
>
> Key: SPARK-29423
> URL: https://issues.apache.org/jira/browse/SPARK-29423
> Project: Spark
> Issue Type: Improvement
> Components: Structured Streaming
> Affects Versions: 2.3.1, 2.4.3
> Reporter: pin_zhang
> Assignee: Yuming Wang
> Priority: Major
> Fix For: 3.0.0
>
>
> 1. start server with start-thriftserver.sh
> 2. JDBC client connect and disconnect to hiveserver2
> for (int i = 0; i < 10000; i++) {
> Connection conn =
> DriverManager.getConnection("jdbc:hive2://localhost:10000", "test", "");
> conn.close();
> }
> 3. instance of
> org.apache.spark.sql.execution.streaming.StreamingQueryListenerBus keep
> increasing
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