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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-4391) datanode.DataNode (DataNode.java:handshake(820)) - Problem connecting to server: master/192.168.100.140:9000
Date Wed, 04 Jul 2012 02:30:36 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aaron T. Myers resolved MAPREDUCE-4391.
---------------------------------------

    Resolution: Invalid

Hi Srikanth, Apache JIRA is for tracking confirmed bugs or improvements. This issue looks
like a misconfiguration. You'll probably get more help by emailing hdfs-user@hadoop.apache.org
with a description of your issue.
                
> datanode.DataNode (DataNode.java:handshake(820)) - Problem connecting to server: master/192.168.100.140:9000
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4391
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4391
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>         Environment: Ubuntu Server 11.04, Hadoop 0.23.0
>            Reporter: srikanth ayalasomayajulu
>              Labels: datanode, hadoop
>             Fix For: 0.23.0
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> datanode cannot able to connect to namenode, and in turn resulting in future errors during
running examples.
> 2012-07-04 15:25:09,636 WARN  datanode.DataNode (DataNode.java:handshake(820)) - Problem
connecting to server: master/192.168.100.140:9000
> 2012-07-04 15:25:15,638 INFO  ipc.Client (Client.java:handleConnectionFailure(671)) -
Retrying connect to server: master/192.168.100.140:9000. Already tried 0 time(s).
> 2012-07-04 15:25:16,640 INFO  ipc.Client (Client.java:handleConnectionFailure(671)) -
Retrying connect to server: master/192.168.100.140:9000. Already tried 1 time(s).
> 2012-07-04 15:25:17,642 INFO  ipc.Client (Client.java:handleConnectionFailure(671)) -
Retrying connect to server: master/192.168.100.140:9000. Already tried 2 time(s).
> 2012-07-04 15:25:18,643 INFO  ipc.Client (Client.java:handleConnectionFailure(671)) -
Retrying connect to server: master/192.168.100.140:9000. Already tried 3 time(s).

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