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https://issues.apache.org/jira/browse/HDFS-6008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benoy Antony updated HDFS-6008:
-------------------------------
Attachment: HDFS-6048.patch
A few hostname in the hosts file did resolve properly to their ip address. This
resulted in the HostFileManager creating entries with empty ip address.
When generating the deadnode list, the nodes with empty ip address caused
IllegalAugumentException which was displayed on the screen.
Attaching a patch which doesn't canonicalize if the ip ip address is null. A
Unit test with positive and negative cases is also added.
> Namenode dead node link is giving HTTP error 500
> ------------------------------------------------
>
> Key: HDFS-6008
> URL: https://issues.apache.org/jira/browse/HDFS-6008
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.2.0
> Reporter: Benoy Antony
> Assignee: Benoy Antony
> Attachments: HDFS-6048.patch, nndeadnodelist.png
>
>
> Clicking on the link to bring up list of dead nodes throws
> IllegalArgumentException on the Namenode web UI.
> The screenshot is attached.
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