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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:
-------------------------------------------

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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