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https://issues.apache.org/jira/browse/HDFS-5055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13740275#comment-13740275
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Jing Zhao commented on HDFS-5055:
---------------------------------
{code}
String machine = imageListenAddress.getAddress().isAnyLocalAddress() ?
null : imageListenAddress.getHostName();
{code}
Looks like here if the http address in the configuration is wrong, the
UnknownHostException will cause "imageListenAddress.getAddress()" to return
null. We thus may need to add an extra check here.
Other than that +1 for the patch.
> nn->2nn ignores dfs.namenode.secondary.http-address
> ---------------------------------------------------
>
> Key: HDFS-5055
> URL: https://issues.apache.org/jira/browse/HDFS-5055
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.1.0-beta
> Reporter: Allen Wittenauer
> Assignee: Vinay
> Priority: Blocker
> Labels: regression
> Attachments: HDFS-5055.patch, HDFS-5055.patch
>
>
> The primary namenode attempts to connect back to (incoming hostname):port
> regardless of how dfs.namenode.secondary.http-address is configured.
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