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https://issues.apache.org/jira/browse/SPARK-15541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-15541:
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Assignee: (was: Apache Spark)
> SparkContext.stop throws error
> ------------------------------
>
> Key: SPARK-15541
> URL: https://issues.apache.org/jira/browse/SPARK-15541
> Project: Spark
> Issue Type: Bug
> Reporter: Miao Wang
>
> When running unit-tests or examples from command line or Intellij,
> SparkContext throws errors.
> For example:
> ./bin/run-example ml.JavaNaiveBayesExample
> Exception in thread "main" 16/05/25 15:17:55 INFO
> OutputCommitCoordinator$OutputCommitCoordinatorEndpoint:
> OutputCommitCoordinator stopped!
> java.lang.NoSuchMethodError:
> java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
> at org.apache.spark.rpc.netty.Dispatcher.stop(Dispatcher.scala:176)
> at org.apache.spark.rpc.netty.NettyRpcEnv.cleanup(NettyRpcEnv.scala:291)
> at
> org.apache.spark.rpc.netty.NettyRpcEnv.shutdown(NettyRpcEnv.scala:269)
> at org.apache.spark.SparkEnv.stop(SparkEnv.scala:91)
> at
> org.apache.spark.SparkContext$$anonfun$stop$11.apply$mcV$sp(SparkContext.scala:1796)
> at org.apache.spark.util.Utils$.tryLogNonFatalError(Utils.scala:1219)
> at org.apache.spark.SparkContext.stop(SparkContext.scala:1795)
> at org.apache.spark.sql.SparkSession.stop(SparkSession.scala:577)
> at
> org.apache.spark.examples.ml.JavaNaiveBayesExample.main(JavaNaiveBayesExample.java:61)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:724)
> at
> org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:180)
> at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:205)
> at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:119)
> at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
> 16/05/25 15:17:55 INFO ShutdownHookManager: Shutdown hook called
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