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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11859) PseudoAuthenticationHandler fails with httpcomponents v4.4
Date Fri, 09 Dec 2016 17:06:58 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15735805#comment-15735805
] 

Kihwal Lee commented on HADOOP-11859:
-------------------------------------

cherry-pick to branch-2.7.

> PseudoAuthenticationHandler fails with httpcomponents v4.4
> ----------------------------------------------------------
>
>                 Key: HADOOP-11859
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11859
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
>             Fix For: 2.8.0, 2.7.4, 3.0.0-alpha1
>
>         Attachments: HADOOP-11859.patch
>
>
> This shows in the context of WebHCat and Hive (which recently moved to httpcomponents:httpclient:4.4)
but could happen in other places.
> URLEncodedUtils.parse(String, Charset) which is called from PseudoAuthenticationHandler.getUserName()
with the 1st argument produced by HttpServletRequest.getQueryString().
> The later returns NULL if there is no query string in the URL.
> in httpcoponents:httpclient:4.2.5 parse() gracefully handles first argument being NULL,
but in 4.4 it NPEs.



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