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https://issues.apache.org/jira/browse/HADOOP-11284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14203032#comment-14203032
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Masatake Iwasaki commented on HADOOP-11284:
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I tested the patch on my local. PID file is properly created and deleted for
both of non-secure and secure datanode.
> Fix variable name mismatch in hadoop-functions.sh
> -------------------------------------------------
>
> Key: HADOOP-11284
> URL: https://issues.apache.org/jira/browse/HADOOP-11284
> Project: Hadoop Common
> Issue Type: Bug
> Components: scripts
> Reporter: Masatake Iwasaki
> Assignee: Masatake Iwasaki
> Priority: Minor
> Attachments: HADOOP-11284.1.patch
>
>
> Some functions use variables not given as argument but defined in outside of
> function. The variables are used as name of pid file. Though
> hadoop-functions.sh works by chance now, it should be fixed to avoid future
> bug.
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