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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12950) [oiv] ls will fail in secure cluster
Date Tue, 23 Jan 2018 19:23:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16336276#comment-16336276
] 

Wei-Chiu Chuang commented on HDFS-12950:
----------------------------------------

Trying to chime in here.

I feel like implementing a dummy delegation token is the right approach. I guess this issue
can be work-arounded by updating client's authentication to SIMPLE from KERBEROS.

> [oiv] ls will fail in  secure cluster
> -------------------------------------
>
>                 Key: HDFS-12950
>                 URL: https://issues.apache.org/jira/browse/HDFS-12950
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.7.0
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>            Priority: Major
>
> if we execute ls, it will throw following.
> {noformat}
> hdfs dfs -ls webhdfs://127.0.0.1:5978/
> ls: Invalid value for webhdfs parameter "op"
> {noformat}
> When client is configured with security (i.e "hadoop.security.authentication= KERBEROS)
, 
> then webhdfs will request getdelegation token which is not implemented and hence it will
 throw “ls: Invalid value for webhdfs parameter "op"”.



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