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https://issues.apache.org/jira/browse/HDFS-7984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14551503#comment-14551503
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Anthony Hsu commented on HDFS-7984:
-----------------------------------
Using the WebHDFS REST API, one can provide a delegation token as follows:
{code}
curl "http://<HOST>:<PORT>/webhdfs/v1/<PATH>?delegation=<TOKEN>&op=..."
{code}
It seems one should be able to provide a delegation token when using
{{webhdfs://}} URIs as well. I tried setting the {{HADOOP_TOKEN_FILE_LOCATION}}
environment variable, but the WebHdfsFileSystem doesn't seem to use this
provided token.
> 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
> Priority: Blocker
>
> 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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