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https://issues.apache.org/jira/browse/HDFS-1724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uma Maheswara Rao G resolved HDFS-1724.
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Resolution: Not A Problem
Release Note: Clients should have host mappings configured.
> Can not browse the Data Node blocks from NameNode UI if there is no Data Node
> hostname mappings in clients.
> -----------------------------------------------------------------------------------------------------------
>
> Key: HDFS-1724
> URL: https://issues.apache.org/jira/browse/HDFS-1724
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: data-node, hdfs client
> Reporter: Uma Maheswara Rao G
> Priority: Minor
>
> In Our Environment, we don't have any host mappings related to Data Nodes.
> When we browse the Blocks information from Name Node UI, it is using hostname
> to connect, So not able to connect. Instead of using the hostname mapping, if
> we use IP address directly, things will work fine.
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