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https://issues.apache.org/jira/browse/HDFS-12950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16456841#comment-16456841
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Wei-Chiu Chuang commented on HDFS-12950:
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None of the failed tests is reproducible in my local tree.
> [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: Wei-Chiu Chuang
> Priority: Major
> Attachments: HDFS-12950.001.patch, HDFS-12950.002.patch,
> HDFS-12950.003.patch, HDFS-12950.004.patch
>
>
> 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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