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From "Jitendra Nath Pandey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1813) Hdfs Federation: Authentication using BlockToken in RPC to datanode fails.
Date Thu, 07 Apr 2011 20:06:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13017113#comment-13017113
] 

Jitendra Nath Pandey commented on HDFS-1813:
--------------------------------------------

     [exec] +1 overall.
     [exec]
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec]
     [exec]     +1 tests included.  The patch appears to include 3 new or modified tests.
     [exec]
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec]
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec]
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9)
warnings.
     [exec]
     [exec]     +1 release audit.  The applied patch does not increase the total number of
release audit warnings.
     [exec]
     [exec]     +1 system test framework.  The patch passed system test framework compile.


> Hdfs Federation: Authentication using BlockToken in RPC to datanode fails.
> --------------------------------------------------------------------------
>
>                 Key: HDFS-1813
>                 URL: https://issues.apache.org/jira/browse/HDFS-1813
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Jitendra Nath Pandey
>            Assignee: Jitendra Nath Pandey
>             Fix For: Federation Branch
>
>         Attachments: HDFS-1813.1.patch, HDFS-1813.2.patch, HDFS-1813.3.patch
>
>
>  Several issues are causing this problem
> 1. The last LocatedBlock returned by getBlockLocations doesn't have BlockToken.
> 2. The blockPoolTokenSecretManager is not initialized before created rpc server in datanode.
> 3. The getReplicaVisibleLength API in datanode expects WRITE permission in the block
token, but the block tokens are generated with read permission only in getBlockLocations at
namenode.

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