Andrew Wang created HDFS-4471:
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             Summary: Namenode WebUI file browsing does not work with wildcard 
addresses configured
                 Key: HDFS-4471
                 URL: https://issues.apache.org/jira/browse/HDFS-4471
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: namenode
    Affects Versions: 3.0.0
            Reporter: Andrew Wang
            Assignee: Andrew Wang


The namenode web UI currently passes around the NN's configured RPC address in 
the URL. One of the places this is used is for file browsing; the NN redirects 
to a random DN, and the DN then uses the NN address from the URL to contact the 
NN. However, this fails when the NN RPC address is configured to be the 
wildcard (0.0.0.0).

The fix is the same as in HDFS-3932: pass the configured address through 
{{NetUtils#getConnectAddress}} first.

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