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https://issues.apache.org/jira/browse/HADOOP-2403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu updated HADOOP-2403:
--------------------------------------------
Attachment: patch-2403.txt
Here is patch with one line change which replaces occurances of *\n* with *\
\n* (there is no space in between both back slashes. I put it here because the
editor is treating it as a line break). The patch is tested, now it parses
history files containing new lines in *value* field.
> JobHistory log files contain data that cannot be parsed by
> org.apache.hadoop.mapred.JobHistory
> ----------------------------------------------------------------------------------------------
>
> Key: HADOOP-2403
> URL: https://issues.apache.org/jira/browse/HADOOP-2403
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Reporter: Runping Qi
> Priority: Critical
> Attachments: EncodeDecode.java, patch-2403.txt
>
>
> When some tasks failed, the job tracker writes an line to the history file
> with error message.
> However, the error message may mess up with the history file format, choking
> the history parser. Here is an example:
> MapAttempt TASK_TYPE="MAP" TASKID="tip_200712102254_0001_m_000090"
> TASK_ATTEMPT_ID="task_200712102254_0001_m_000090_0" TASK_STATUS="FAILED"
> FINISH_TIME="1197327293253" HOSTNAME="XXXX:50050"
> ERROR="java.lang.IllegalArgumentException: Trouble to get key or value (<,>
> substituted by null
> . Key XML-Ori:
> <Root>
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