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https://issues.apache.org/jira/browse/HDFS-992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12838620#action_12838620
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Kan Zhang commented on HDFS-992:
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the latest patch (h992-20.patch) changes checkAccess() from return boolean to
return void and throws exception when check fails.
> Re-factor block access token implementation to conform to the generic Token
> interface in Common
> -----------------------------------------------------------------------------------------------
>
> Key: HDFS-992
> URL: https://issues.apache.org/jira/browse/HDFS-992
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: security
> Reporter: Kan Zhang
> Assignee: Kan Zhang
> Attachments: h992-12.patch, h992-18.patch, h992-20.patch
>
>
> This makes it possible to use block access token as shared key for
> client-to-datanode authentication over RPC. However, access authorization is
> still based on block access token semantics.
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