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From "sam rash (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5608) NullPointerException when retrieving task reports
Date Wed, 01 Apr 2009 17:44:12 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12694638#action_12694638
] 

sam rash commented on HADOOP-5608:
----------------------------------

and the NPE appears to happen on the last line => counters is null

{code}
 public void write(DataOutput out) throws IOException {
    taskid.write(out);
    out.writeFloat(progress);
    Text.writeString(out, state);
    out.writeLong(startTime);
    out.writeLong(finishTime);
    WritableUtils.writeStringArray(out, diagnostics);
    counters.write(out);
  }
{code}

> NullPointerException when retrieving task reports
> -------------------------------------------------
>
>                 Key: HADOOP-5608
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5608
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.19.0
>            Reporter: sam rash
>
> It appears as thought Counters is null for a given task which causes an NPE in the logs
(and clients to hang)

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