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https://issues.apache.org/jira/browse/HDFS-1575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eli Collins reassigned HDFS-1575:
---------------------------------

    Assignee: Dmytro Molkov

Dmytro - mind updating the patch to address Todd's feedback?

> 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: Dmytro Molkov
>            Priority: Blocker
>             Fix For: 0.22.0
>
>         Attachments: HDFS-1575
>
>
> 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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