[jira] [Commented] (HDFS-9337) In webhdfs Nullpoint exception will be thrown in renamesnapshot when oldsnapshotname is not given

[Surendra Singh Lilhore (JIRA)]

    [ 
https://issues.apache.org/jira/browse/HDFS-9337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14983999#comment-14983999
 ] 

Surendra Singh Lilhore commented on HDFS-9337:
----------------------------------------------

Thanks [~jagadesh.kiran] for patch...

> I feel we should add same check for {{snapshotName.getValue()}}

Check {{setSnapshotNewName()}} in {{ClientNamenodeProtocolProtos}}, it will 
throw NPE if value is null.
{code}
      public Builder setSnapshotNewName(
          java.lang.String value) {
        if (value == null) {
    throw new NullPointerException();
  }
{code}

> In webhdfs Nullpoint exception will be thrown in renamesnapshot when 
> oldsnapshotname is not given
> -------------------------------------------------------------------------------------------------
>
>                 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
>
>
> {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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