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From "Hong Shen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-4934) Connection key is hard to read
Date Tue, 23 Dec 2014 08:45:13 GMT
Hong Shen created SPARK-4934:
--------------------------------

             Summary: Connection key is hard to read
                 Key: SPARK-4934
                 URL: https://issues.apache.org/jira/browse/SPARK-4934
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 1.1.1
            Reporter: Hong Shen


When I run a big spark job, executor have a lot of log,
14/12/23 15:25:31 INFO network.ConnectionManager: key already cancelled ? sun.nio.ch.SelectionKeyImpl@52b0e278
java.nio.channels.CancelledKeyException
        at org.apache.spark.network.ConnectionManager.run(ConnectionManager.scala:310)
        at org.apache.spark.network.ConnectionManager$$anon$4.run(ConnectionManager.scala:139)
It's hard to know which connection is cancelled. maby we can change to 
logInfo("Connection already cancelled ? " + con.getRemoteAddress(), e)



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