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https://issues.apache.org/jira/browse/HADOOP-7440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13059638#comment-13059638
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Aaron T. Myers commented on HADOOP-7440:
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+1, looks good to me.
> HttpServer.getParameterValues throws NPE for missing parameters
> ---------------------------------------------------------------
>
> Key: HADOOP-7440
> URL: https://issues.apache.org/jira/browse/HADOOP-7440
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 0.23.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: 0.23.0
>
> Attachments: hadoop-7440.txt
>
>
> If the requested parameter was not specified in the request, the raw
> request's getParameterValues function returns null. Thus, trying to access
> {{unquoteValue.length}} throws NPE.
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