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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Created] (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 18:44:23 GMT
Eli Collins created HDFS-3465:
---------------------------------

             Summary: 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: name-node
    Affects Versions: 2.0.0-alpha
            Reporter: Eli Collins


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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