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Posted to reviews@spark.apache.org by sarutak <gi...@git.apache.org> on 2015/04/03 07:39:57 UTC

[GitHub] spark pull request: spark-sql script ends up throwing Exception wh...

GitHub user sarutak opened a pull request:

    https://github.com/apache/spark/pull/5341

    spark-sql script ends up throwing Exception when event logging is enabled.

    When event logging is enabled, spark-sql script ends up throwing Exception like as follows.
    
    ```
    15/04/03 13:51:49 INFO handler.ContextHandler: stopped o.e.j.s.ServletContextHandler{/jobs,null}
    15/04/03 13:51:49 ERROR scheduler.LiveListenerBus: Listener EventLoggingListener threw an exception
    java.lang.reflect.InvocationTargetException
    	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.scheduler.EventLoggingListener$$anonfun$logEvent$3.apply(EventLoggingListener.scala:144)
    	at org.apache.spark.scheduler.EventLoggingListener$$anonfun$logEvent$3.apply(EventLoggingListener.scala:144)
    	at scala.Option.foreach(Option.scala:236)
    	at org.apache.spark.scheduler.EventLoggingListener.logEvent(EventLoggingListener.scala:144)
    	at org.apache.spark.scheduler.EventLoggingListener.onApplicationEnd(EventLoggingListener.scala:188)
    	at org.apache.spark.scheduler.SparkListenerBus$class.onPostEvent(SparkListenerBus.scala:54)
    	at org.apache.spark.scheduler.LiveListenerBus.onPostEvent(LiveListenerBus.scala:31)
    	at org.apache.spark.scheduler.LiveListenerBus.onPostEvent(LiveListenerBus.scala:31)
    	at org.apache.spark.util.ListenerBus$class.postToAll(ListenerBus.scala:53)
    	at org.apache.spark.util.AsynchronousListenerBus.postToAll(AsynchronousListenerBus.scala:37)
    	at org.apache.spark.util.AsynchronousListenerBus$$anon$1$$anonfun$run$1.apply$mcV$sp(AsynchronousListenerBus.scala:79)
    	at org.apache.spark.util.Utils$.tryOrStopSparkContext(Utils.scala:1171)
    	at org.apache.spark.util.AsynchronousListenerBus$$anon$1.run(AsynchronousListenerBus.scala:63)
    Caused by: java.io.IOException: Filesystem closed
    	at org.apache.hadoop.hdfs.DFSClient.checkOpen(DFSClient.java:707)
    	at org.apache.hadoop.hdfs.DFSOutputStream.flushOrSync(DFSOutputStream.java:1843)
    	at org.apache.hadoop.hdfs.DFSOutputStream.hflush(DFSOutputStream.java:1804)
    	at org.apache.hadoop.fs.FSDataOutputStream.hflush(FSDataOutputStream.java:127)
    	... 17 more
    15/04/03 13:51:49 INFO ui.SparkUI: Stopped Spark web UI at http://sarutak-devel:4040
    15/04/03 13:51:49 INFO scheduler.DAGScheduler: Stopping DAGScheduler
    Exception in thread "Thread-6" java.io.IOException: Filesystem closed
    	at org.apache.hadoop.hdfs.DFSClient.checkOpen(DFSClient.java:707)
    	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1760)
    	at org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1124)
    	at org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1120)
    	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
    	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1120)
    	at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1398)
    	at org.apache.spark.scheduler.EventLoggingListener.stop(EventLoggingListener.scala:209)
    	at org.apache.spark.SparkContext$$anonfun$stop$3.apply(SparkContext.scala:1408)
    	at org.apache.spark.SparkContext$$anonfun$stop$3.apply(SparkContext.scala:1408)
    	at scala.Option.foreach(Option.scala:236)
    	at org.apache.spark.SparkContext.stop(SparkContext.scala:1408)
    	at org.apache.spark.sql.hive.thriftserver.SparkSQLEnv$.stop(SparkSQLEnv.scala:66)
    	at org.apache.spark.sql.hive.thriftserver.SparkSQLCLIDriver$$anon$1.run(SparkSQLCLIDriver.scala:107)
    ```
    
    This is because FileSystem#close is called by the shutdown hook registered in SparkSQLCLIDriver.
    
    ```
        Runtime.getRuntime.addShutdownHook(
          new Thread() {
            override def run() {
              SparkSQLEnv.stop()
            }
          }
        )
    ```
    
    This issue was resolved by SPARK-3062 but I think, it's brought again by SPARK-2261.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/sarutak/spark SPARK-6690

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/spark/pull/5341.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #5341
    
----
commit d05f4d1f548e8af805bfe5febdd31d0ffafe2256
Author: Kousuke Saruta <sa...@oss.nttdata.co.jp>
Date:   2015-04-03T05:37:24Z

    Fixed a race condition related to o.a.h.f.FileSystem

----


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