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Posted to issues@spark.apache.org by "Guoqiang Li (JIRA)" <ji...@apache.org> on 2014/08/17 02:55:18 UTC

[jira] [Resolved] (SPARK-2701) ConnectionManager throws out of "Could not find reference for received ack message xxx" exception

     [ https://issues.apache.org/jira/browse/SPARK-2701?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guoqiang Li resolved SPARK-2701.
--------------------------------

       Resolution: Fixed
    Fix Version/s: 1.1.0

https://github.com/apache/spark/pull/1632

>  ConnectionManager throws out of "Could not find reference for received ack message  xxx" exception
> ---------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-2701
>                 URL: https://issues.apache.org/jira/browse/SPARK-2701
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 1.0.0, 1.0.1
>            Reporter: Guoqiang Li
>             Fix For: 1.1.0
>
>
> {noformat}
> 14/07/26 22:05:15 INFO network.ConnectionManager: Key not valid ? sun.nio.ch.SelectionKeyImpl@13c7f699
> 14/07/26 22:05:15 INFO network.ConnectionManager: Removing SendingConnection to ConnectionManagerId(tuan222,49423)
> 14/07/26 22:05:15 INFO spark.CacheManager: Partition rdd_51_418 not found, computing it
> 14/07/26 22:05:15 INFO storage.BlockFetcherIterator$BasicBlockFetcherIterator: maxBytesInFlight: 50331648, targetRequestSize: 10066329
> 14/07/26 22:05:15 INFO storage.BlockFetcherIterator$BasicBlockFetcherIterator: Getting 1024 non-empty blocks out of 1024 blocks
> 14/07/26 22:05:15 INFO network.ConnectionManager: key already cancelled ? sun.nio.ch.SelectionKeyImpl@13c7f699
> java.nio.channels.CancelledKeyException
>         at org.apache.spark.network.ConnectionManager.run(ConnectionManager.scala:363)
>         at org.apache.spark.network.ConnectionManager$$anon$4.run(ConnectionManager.scala:116)
> 14/07/26 22:05:15 INFO network.ConnectionManager: Notifying org.apache.spark.network.ConnectionManager$MessageStatus@67c56c61
> 14/07/26 22:05:15 ERROR storage.BlockFetcherIterator$BasicBlockFetcherIterator: Could not get block(s) from ConnectionManagerId(tuan222,49423)
> 14/07/26 22:05:15 INFO network.SendingConnection: Initiating connection to [tuan222/172.16.1.222:49423]
> 14/07/26 22:05:15 INFO storage.BlockFetcherIterator$BasicBlockFetcherIterator: Started 79 remote fetches in 69 ms
> 14/07/26 22:05:15 INFO network.ConnectionManager: Removing ReceivingConnection to ConnectionManagerId(tuan222,49423)
> 14/07/26 22:05:15 ERROR executor.ExecutorUncaughtExceptionHandler: Uncaught exception in thread Thread[pool-1-thread-2,5,main]
> java.lang.Error: java.lang.Exception: Could not find reference for received ack message 222491
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1151)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:744)
> Caused by: java.lang.Exception: Could not find reference for received ack message 222491
>         at org.apache.spark.network.ConnectionManager.org$apache$spark$network$ConnectionManager$$handleMessage(ConnectionManager.scala:647)
>         at org.apache.spark.network.ConnectionManager$$anon$9.run(ConnectionManager.scala:504)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         ... 2 more
> 14/07/26 22:05:15 WARN network.SendingConnection: Error finishing connection to tuan222/172.16.1.222:49423
> java.net.ConnectException: Connection refused
>         at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>         at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:735)
>         at org.apache.spark.network.SendingConnection.finishConnect(Connection.scala:318)
>         at org.apache.spark.network.ConnectionManager$$anon$7.run(ConnectionManager.scala:203)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:744)
> 14/07/26 22:05:15 INFO network.ConnectionManager: Removing SendingConnection to ConnectionManagerId(tuan222,49423)
> 14/07/26 22:05:15 INFO network.ConnectionManager: Notifying org.apache.spark.network.ConnectionManager$MessageStatus@1324c9dc
> 14/07/26 22:05:15 ERROR storage.BlockFetcherIterator$BasicBlockFetcherIterator: Could not get block(s) from ConnectionManagerId(tuan222,49423)
> 14/07/26 22:05:15 INFO network.ConnectionManager: Handling connection error on connection to ConnectionManagerId(tuan222,49423)
> 14/07/26 22:05:15 INFO network.ConnectionManager: Removing SendingConnection to ConnectionManagerId(tuan222,49423)
> {noformat}



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