FAQ
Can not browse the Data Node blocks if there is no Data Node hostname mappings in clients.
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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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  • Uma Maheswara Rao G (Resolved) (JIRA) at Jan 7, 2012 at 4:24 pm
    [ https://issues.apache.org/jira/browse/HDFS-1724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    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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