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https://issues.apache.org/jira/browse/HADOOP-13238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andras Bokor updated HADOOP-13238:
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Attachment: HADOOP-13238.02.patch
I put back the removed test. Also I did some minor modification in the new test
case.
bq. we crash, jsvc won't get a chance to delete the pid file which after this
patch will leave it hanging around.
I do not see how my patch affects this case. If JSVC cannot delete the pid file
for whatever reason (e.g. we run out HADOOP_STOP_TIMEOUT) my condition will be
true and the pid file will be deleted.
My patch just prevents the stop process to try to cat a non-existing file.
> pid handling is failing on secure datanode
> ------------------------------------------
>
> Key: HADOOP-13238
> URL: https://issues.apache.org/jira/browse/HADOOP-13238
> Project: Hadoop Common
> Issue Type: Bug
> Components: scripts, security
> Reporter: Allen Wittenauer
> Assignee: Andras Bokor
> Attachments: HADOOP-13238.01.patch, HADOOP-13238.02.patch
>
>
> {code}
> hdfs --daemon stop datanode
> cat: /home/hadoop/H/pids/hadoop-hdfs-root-datanode.pid: No such file or
> directory
> WARNING: pid has changed for datanode, skip deleting pid file
> cat: /home/hadoop/H/pids/hadoop-hdfs-root-datanode.pid: No such file or
> directory
> WARNING: daemon pid has changed for datanode, skip deleting daemon pid file
> {code}
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