Arpit Agarwal created HDFS-13433:

             Summary: webhdfs requests can be routed incorrectly in federated 
                 Key: HDFS-13433
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Arpit Agarwal
            Assignee: Arpit Agarwal

In the following HA+Federated setup:
# NS1 -> namenodes nn1, nn2
# NS2 -> namenodes nn3, nn4
# fs.defaultFS is {{hdfs://ns1}}.

A webhdfs request issued to nn3 will be routed to nn1. This is because 
{{setClientNamenodeAddress}} initializes {{NameNode#clientNamenodeAddress}} 
using fs.defaultFS before the config is overriden.

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