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https://issues.apache.org/jira/browse/HDFS-6708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15851502#comment-15851502
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Ewan Higgs commented on HDFS-6708:
----------------------------------

The javadoc errors are due to a longstanding bug where javadoc seems to be 
unable to process generic arguments in {{link}} or {{see}} tags: 
http://bugs.java.com/bugdatabase/view_bug.do?bug_id=6435888

The findbugs error was a good catch. I used {{storageTypes.hashCode()}} but 
need {{Arrays.hashCode(storageTypes)}}

> StorageType should be encoded in the block token
> ------------------------------------------------
>
>                 Key: HDFS-6708
>                 URL: https://issues.apache.org/jira/browse/HDFS-6708
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>    Affects Versions: 2.4.1
>            Reporter: Arpit Agarwal
>            Assignee: Ewan Higgs
>             Fix For: 3.0.0-alpha3
>
>         Attachments: HDFS-6708.0001.patch
>
>
> HDFS-6702 is adding support for file creation based on StorageType.
> The block token is used as a tamper-proof channel for communicating block 
> parameters from the NN to the DN during block creation. The StorageType 
> should be included in this block token.



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