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From "Walter Su (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9337) Should check required params in WebHDFS to avoid NPE
Date Mon, 16 Nov 2015 06:50:11 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15006278#comment-15006278

Walter Su commented on HDFS-9337:

curl -i -X POST "http://<HOST>:<PORT>/webhdfs/v1/<PATH>?op=CONCAT&sources=<PATHS>"

throws not user-friendly stacktrace when missing {{sources}}

curl -i -X PUT "http://<HOST>:<PORT>/webhdfs/v1/<PATH>?op=SETXATTR
throws NPE when missing XATTRNAME. And {{xattr.value}} acually is not required, so document
is wrong in this case.

That's fix the same issues together, shall we? I haven't found other NPEs. I'll appreciate
if you could check again all the required params per documentation.

> Should check required params in WebHDFS to avoid NPE
> ----------------------------------------------------
>                 Key: HDFS-9337
>                 URL: https://issues.apache.org/jira/browse/HDFS-9337
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Jagadesh Kiran N
>            Assignee: Jagadesh Kiran N
>         Attachments: HDFS-9337_00.patch, HDFS-9337_01.patch, HDFS-9337_02.patch, HDFS-9337_03.patch
> {code}
>  curl -i -X PUT ""
> {code}
> Null point exception will be thrown
> {code}
> {"RemoteException":{"exception":"NullPointerException","javaClassName":"java.lang.NullPointerException","message":null}}
> {code}

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