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https://issues.apache.org/jira/browse/HADOOP-7440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13059842#comment-13059842
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Devaraj K commented on HADOOP-7440:
-----------------------------------
Hi Bharath,
As per the specification, it should return null if the parameter does not
exist.
http://download.oracle.com/javaee/5/api/javax/servlet/ServletRequest.html#getParameterValues(java.lang.String)
h5.getParameterValues
String[] getParameterValues(String name)Returns an array of String objects
containing all of the values the given request parameter has, or null if the
parameter does not exist.
If the parameter has a single value, the array has a length of 1.
h5.Parameters:
name - a String containing the name of the parameter whose value is requested
h5.Returns:
an array of String objects containing the parameter's values
> 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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