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https://issues.apache.org/jira/browse/HADOOP-6994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jitendra Nath Pandey updated HADOOP-6994:
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    Description: 
APIs to get delegation tokens is required in AbstractFileSystem. 
AbstractFileSystems are accessed via file context therefore an API to get list 
of AbstractFileSystems accessed in a path is also needed. 
A path may refer to several file systems and delegation tokens could be needed 
for many of them for a client to be able to successfully access the path. 

  was:APIs to get delegation tokens is required in FileContext. A path may 
refer to several file systems and delegation tokens would be needed for many of 
them for a client to be able to successfully access the path. This jira will 
also add an API to get list of AbstractFileSystems accessed in a path which 
could be more than one for symlinks.

        Summary: Api to get delegation token in AbstractFileSystem  (was: Api 
in FileContext to get delegation tokens.)

> Api to get delegation token in AbstractFileSystem
> -------------------------------------------------
>
>                 Key: HADOOP-6994
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6994
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Jitendra Nath Pandey
>            Assignee: Jitendra Nath Pandey
>
> APIs to get delegation tokens is required in AbstractFileSystem. 
> AbstractFileSystems are accessed via file context therefore an API to get 
> list of AbstractFileSystems accessed in a path is also needed. 
> A path may refer to several file systems and delegation tokens could be 
> needed for many of them for a client to be able to successfully access the 
> path. 

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