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From "Subru Krishnan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9657) NetUtils.wrapException to have special handling for 0.0.0.0 addresses and :0 ports
Date Wed, 11 Oct 2017 21:51:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9657?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16201034#comment-16201034
] 

Subru Krishnan commented on HADOOP-9657:
----------------------------------------

[~varun_saxena]/[~stevel@apache.org], do you intend to get this for 2.9.0 as patch is available?


> NetUtils.wrapException to have special handling for 0.0.0.0 addresses and :0 ports
> ----------------------------------------------------------------------------------
>
>                 Key: HADOOP-9657
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9657
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: net
>    Affects Versions: 2.7.0
>            Reporter: Steve Loughran
>            Assignee: Varun Saxena
>            Priority: Minor
>         Attachments: HADOOP-9657.01.patch, HADOOP-9657.02.patch
>
>
> when an exception is wrapped, it may look like {{0.0.0.0:0 failed on connection exception:
java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused}}
> We should recognise all zero ip addresses and 0 ports and flag them as "your configuration
of the endpoint is wrong", as it is clearly the case



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