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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3465) 2NN doesn't start with fs.defaultFS set to a viewfs URI unless service RPC address is also set
Date Fri, 25 May 2012 18:56:23 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eli Collins updated HDFS-3465:
------------------------------

    Component/s: federation
    
> 2NN doesn't start with fs.defaultFS set to a viewfs URI unless service RPC address is
also set
> ----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-3465
>                 URL: https://issues.apache.org/jira/browse/HDFS-3465
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: federation, name-node
>    Affects Versions: 2.0.0-alpha
>            Reporter: Eli Collins
>              Labels: newbie
>
> Looks like the 2NN first tries servicerpc-address then falls back on fs.defaultFS, which
won't work in the case of federation since fs.defaultFS doesn't refer to an RPC address. Instead,
the 2NN should first check servicerpc-address, then rpc-address, then fall back on fs.defaultFS.
> {noformat}
> Exception in thread "main" java.lang.IllegalArgumentException: Invalid
> URI for NameNode address (check fs.defaultFS): viewfs:/// has no
> authority.
>        at org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:315)
>        at org.apache.hadoop.hdfs.server.namenode.NameNode.getAddress(NameNode.java:303)
>        at org.apache.hadoop.hdfs.server.namenode.NameNode.getServiceAddress(NameNode.java:296)
>        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.initialize(SecondaryNameNode.java:214)
>        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.<init>(SecondaryNameNode.java:178)
>        at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.main(SecondaryNameNode.java:582)
> {noformat}

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