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https://issues.apache.org/jira/browse/HDFS-1755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jitendra Nath Pandey updated HDFS-1755:
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Attachment: HDFS-1755.2.patch
The patch wraps the call to create namenode proxy within a getLoginUser().doAs
block.
> Hdfs Federation: The BPOfferService must always connect to namenode as the
> login user.
> --------------------------------------------------------------------------------------
>
> Key: HDFS-1755
> URL: https://issues.apache.org/jira/browse/HDFS-1755
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: name-node
> Affects Versions: Federation Branch
> Reporter: Jitendra Nath Pandey
> Assignee: Jitendra Nath Pandey
> Fix For: Federation Branch
>
> Attachments: HDFS-1755.2.patch
>
>
> The BPOfferService thread when started, normally connects to the namenode
> as the login user. But in case of refreshNamenodes a new BPOfferService may
> be started in the context of an rpc call where the user is dfsadmin. In such
> a case the connection to the namenode will fail.
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