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https://issues.apache.org/jira/browse/HADOOP-13234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15549549#comment-15549549
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Xiaoyu Yao commented on HADOOP-13234:
-------------------------------------
[~brahmareddy], does {{new ServerSocket(0).getLocalPort()}} guarantee a
successful bind later across JVM instances? I.e., an OS level reservation of
the port returned? If not, we may still hit race between the time of check and
the time of port binding on the server.
> Get random port by new ServerSocket(0).getLocalPort() in
> ServerSocketUtil#getPort
> ---------------------------------------------------------------------------------
>
> Key: HADOOP-13234
> URL: https://issues.apache.org/jira/browse/HADOOP-13234
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Brahma Reddy Battula
> Assignee: Brahma Reddy Battula
> Attachments: HADOOP-13234-002.patch, HADOOP-13234.patch
>
>
> As per [~iwasakims] comment from
> [here|https://issues.apache.org/jira/browse/HDFS-10367?focusedCommentId=15275604&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15275604]
> we can get available random port by {{new ServerSocket(0).getLocalPort()}}
> and it's more portable.
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