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https://issues.apache.org/jira/browse/HDFS-7984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14972112#comment-14972112
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HeeSoo Kim commented on HDFS-7984:
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Anthony is right. {noformat} HADOOP_TOKEN_FILE_LOCATION {noformat} supports to
read delegation token for WebHDFSFileSystem.
However, {noformat} HADOOP_TOKEN_FILE_LOCATION{noformat} is only support one
file. ugi can have multiple tokens in credential. This patch supports multiple
delegation token files as parameter.
{noformat} -Dhadoop.token.files=filename1,filename2{noformat}
> webhdfs:// needs to support provided delegation tokens
> ------------------------------------------------------
>
> Key: HDFS-7984
> URL: https://issues.apache.org/jira/browse/HDFS-7984
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: webhdfs
> Affects Versions: 3.0.0
> Reporter: Allen Wittenauer
> Assignee: HeeSoo Kim
> Priority: Blocker
> Attachments: HDFS-7984.patch
>
>
> When using the webhdfs:// filesystem (especially from distcp), we need the
> ability to inject a delegation token rather than webhdfs initialize its own.
> This would allow for cross-authentication-zone file system accesses.
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