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https://issues.apache.org/jira/browse/HDFS-9337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15654055#comment-15654055
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Jagadesh Kiran N commented on HDFS-9337:
----------------------------------------

Thanks [~vinayrpet] for commiting the patch 

> Validate required params for WebHDFS requests
> ---------------------------------------------
>
>                 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
>             Fix For: 3.0.0-alpha2
>
>         Attachments: HDFS-9337_00.patch, HDFS-9337_01.patch, 
> HDFS-9337_02.patch, HDFS-9337_03.patch, HDFS-9337_04.patch, 
> HDFS-9337_05.patch, HDFS-9337_06.patch, HDFS-9337_07.patch, 
> HDFS-9337_08.patch, HDFS-9337_09.patch, HDFS-9337_10.patch, 
> HDFS-9337_11.patch, HDFS-9337_12.patch, HDFS-9337_13.patch, 
> HDFS-9337_14.patch, HDFS-9337_15.patch, HDFS-9337_16.patch, 
> HDFS-9337_17.patch, HDFS-9337_18.patch, HDFS-9337_19.patch, 
> HDFS-9337_20.patch, HDFS-9337_21.patch
>
>
> {code}
>  curl -i -X PUT 
> "http://10.19.92.127:50070/webhdfs/v1/kiran/sreenu?op=RENAMESNAPSHOT&snapshotname=SNAPSHOTNAME";
> {code}
> Null point exception will be thrown
> {code}
> {"RemoteException":{"exception":"NullPointerException","javaClassName":"java.lang.NullPointerException","message":null}}
> {code}



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