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From "Thomas Graves (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2555) JvmInvalidate errors in the gridmix TT logs
Date Wed, 01 Jun 2011 21:38:47 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13042455#comment-13042455
] 

Thomas Graves commented on MAPREDUCE-2555:
------------------------------------------

I think all we want to do is get the child to exit and not generate all the log messages.
 To do that we can have the TaskTracker::statusUpdate return false if the validateJVM throws.
 The only catch to that is the TaskTracker::commitPending call doesn't return boolean so will
have to have it still throw.

> JvmInvalidate errors in the gridmix TT logs
> -------------------------------------------
>
>                 Key: MAPREDUCE-2555
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2555
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>    Affects Versions: 0.20.204.0
>            Reporter: Thomas Graves
>            Assignee: Thomas Graves
>            Priority: Minor
>
> Observing a  lot of jvmValidate exceptions in TT logs for grid mix run
> ************************
> 2011-04-28 02:00:37,578 INFO org.apache.hadoop.ipc.Server: IPC Server handler 7 on 46121,
call
> statusUpdate(attempt_201104270735_5993_m_003305_0, org.apache.hadoop.mapred.MapTaskStatus@1840a9c,
> org.apache.hadoop.mapred.JvmContext@1d4ab6b) from 127.0.0.1:50864: error: java.io.IOException:
JvmValidate Failed.
> Ignoring request from task: attempt_201104270735_5993_m_003305_0, with JvmId:
> jvm_201104270735_5993_m_103399012gsbl20430: java.io.IOException: JvmValidate Failed.
Ignoring request from task:
> attempt_201104270735_5993_m_003305_0, with JvmId: jvm_201104270735_5993_m_103399012gsbl20430:
--
>       at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1386)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at javax.security.auth.Subject.doAs(Subject.java:396)
>       at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059)
>       at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1384)
> *********************

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