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From "Steve Loughran (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 Fri, 13 Oct 2017 12:26:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9657?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16203484#comment-16203484
] 

Steve Loughran commented on HADOOP-9657:
----------------------------------------

Probably the thing we need to worry about is the old Wiki is frozen...we need to move all
our entries onto the new one. 

Does the wiki entry this patch link exist? If so, +1 from me

> 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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