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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1575) viewing block from web UI broken
Date Thu, 19 May 2011 06:23:47 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13036014#comment-13036014
] 

Aaron T. Myers commented on HDFS-1575:
--------------------------------------

+1, looks good to me. I especially like the reworking of the loop which iterates over {{blks}}.
Thanks for cleaning this up.

> viewing block from web UI broken
> --------------------------------
>
>                 Key: HDFS-1575
>                 URL: https://issues.apache.org/jira/browse/HDFS-1575
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Aaron T. Myers
>            Priority: Blocker
>             Fix For: 0.22.0
>
>         Attachments: HDFS-1575, hdfs-1575-trunk.0.patch, hdfs-1575-trunk.1.patch, hdfs-1575-trunk.2.patch,
hdfs-1575-trunk.3.patch
>
>
> DatanodeJspHelper seems to expect the file path to be in the "path info" of the HttpRequest,
rather than in a parameter. I see the following exception when visiting the URL {{http://localhost.localdomain:50075/browseBlock.jsp?blockId=5006108823351810567&blockSize=20&genstamp=1001&filename=%2Fuser%2Ftodd%2Fissue&datanodePort=50010&namenodeInfoPort=50070}}
> java.io.FileNotFoundException: File does not exist: /
> 	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocationsInternal(FSNamesystem.java:834)
> ...
> 	at org.apache.hadoop.hdfs.server.datanode.DatanodeJspHelper.generateFileDetails(DatanodeJspHelper.java:258)
> 	at org.apache.hadoop.hdfs.server.datanode.browseBlock_jsp._jspService(browseBlock_jsp.java:79)
> 	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)

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