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https://issues.apache.org/jira/browse/MAPREDUCE-709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12728219#action_12728219
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Hudson commented on MAPREDUCE-709:
----------------------------------
Integrated in Hadoop-Mapreduce-trunk #15 (See
[http://hudson.zones.apache.org/hudson/job/Hadoop-Mapreduce-trunk/15/])
. Fixes message displayed for a blacklisted node where the reason for
blacklisting is due to the health check script timing out. Contributed by
Sreekanth Ramakrishnan.
> node health check script does not display the correct message on timeout
> ------------------------------------------------------------------------
>
> Key: MAPREDUCE-709
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-709
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 0.21.0
> Reporter: Ramya R
> Assignee: Sreekanth Ramakrishnan
> Priority: Minor
> Fix For: 0.21.0
>
> Attachments: mapred-709-1.patch, mapred-709-ydist.patch
>
>
> When the node health check script takes more than
> "mapred.healthChecker.script.timeout" to return, it should display a timeout
> message. Instead it displays the full stacktrace as below:
> {noformat}
> java.io.IOException: Stream closed at
> java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:145)
> at java.io.BufferedInputStream.read(BufferedInputStream.java:308)
> at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:264)
> at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:306)
> at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:158)
> at java.io.InputStreamReader.read(InputStreamReader.java:167)
> at java.io.BufferedReader.fill(BufferedReader.java:136)
> at java.io.BufferedReader.readLine(BufferedReader.java:299)
> at java.io.BufferedReader.readLine(BufferedReader.java:362)
> at org.apache.hadoop.util.Shell.runCommand(Shell.java:202)
> at org.apache.hadoop.util.Shell.run(Shell.java:145)
> at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:338)
> at
> org.apache.hadoop.mapred.NodeHealthCheckerService$NodeHealthMonitorExecutor.run(NodeHealthCheckerService.java:119)
>
> at java.util.TimerThread.mainLoop(Timer.java:512)
> at java.util.TimerThread.run(Timer.java:462)
> {noformat}
> Also the "mapred.healthChecker.script.timeout" is not being reflected in the
> job.xml. It always picks up the default value. It is just an UI issue.
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