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https://issues.apache.org/jira/browse/HDFS-3395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13273296#comment-13273296
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Daryn Sharp commented on HDFS-3395:
-----------------------------------
This really should have used {{NetUtils.createSocketAddrForHost(host, port)}}
instead of string appending the port. Also, would it work correctly if the
config was updated with the connect address for the socket? There's a
{{Configuration#updateConnectAddr(key, addr)}} that will do that.
> NN doesn't start with HA+security enabled and HTTP address set to 0.0.0.0
> -------------------------------------------------------------------------
>
> Key: HDFS-3395
> URL: https://issues.apache.org/jira/browse/HDFS-3395
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 2.0.0
> Reporter: Aaron T. Myers
> Assignee: Aaron T. Myers
> Fix For: 2.0.0
>
> Attachments: HDFS-3395.patch
>
>
> DFSUtil#substituteForWildcardAddress subs in a default hostname if the given
> hostname is 0.0.0.0. However, this function throws an exception if the given
> hostname is set to 0.0.0.0 and security is enabled, regardless of whether the
> default hostname is also 0.0.0.0. This function shouldn't throw an exception
> unless both addresses are set to 0.0.0.0.
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