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https://issues.apache.org/jira/browse/SPARK-31631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Takeshi Yamamuro resolved SPARK-31631.
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Fix Version/s: 3.1.0
Assignee: Kent Yao
Resolution: Fixed
Resolved by https://github.com/apache/spark/pull/28442
> Fix test flakiness caused by MiniKdc which throws "address in use"
> BindException
> --------------------------------------------------------------------------------
>
> Key: SPARK-31631
> URL: https://issues.apache.org/jira/browse/SPARK-31631
> Project: Spark
> Issue Type: Bug
> Components: Tests
> Affects Versions: 3.0.0, 3.1.0
> Reporter: Kent Yao
> Assignee: Kent Yao
> Priority: Major
> Fix For: 3.1.0
>
>
> {code:java}
> [info] org.apache.spark.sql.kafka010.KafkaDelegationTokenSuite *** ABORTED
> *** (15 seconds, 426 milliseconds)
> [info] java.net.BindException: Address already in use
> [info] at sun.nio.ch.Net.bind0(Native Method)
> [info] at sun.nio.ch.Net.bind(Net.java:433)
> [info] at sun.nio.ch.Net.bind(Net.java:425)
> [info] at
> sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
> [info] at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
> [info] at
> org.apache.mina.transport.socket.nio.NioSocketAcceptor.open(NioSocketAcceptor.java:198)
> [info] at
> org.apache.mina.transport.socket.nio.NioSocketAcceptor.open(NioSocketAcceptor.java:51)
> [info] at
> org.apache.mina.core.polling.AbstractPollingIoAcceptor.registerHandles(AbstractPollingIoAcceptor.java:547)
> [info] at
> org.apache.mina.core.polling.AbstractPollingIoAcceptor.access$400(AbstractPollingIoAcceptor.java:68)
> [info] at
> org.apache.mina.core.polling.AbstractPollingIoAcceptor$Acceptor.run(AbstractPollingIoAcceptor.java:422)
> [info] at
> org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
> [info] at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> [info] at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> [info] at java.lang.Thread.run(Thread.java:748)
> {code}
> This is an issue fixed in hadoop 2.8.0
> https://issues.apache.org/jira/browse/HADOOP-12656
> We may need apply the approach from HBASE first before we drop Hadoop 2.7.x
> https://issues.apache.org/jira/browse/HBASE-14734
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