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From "Joe Orton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SERF-190) Connection does not fall back to IPv4 when missing IPv6 default route
Date Tue, 16 Apr 2019 12:48:00 GMT

    [ https://issues.apache.org/jira/browse/SERF-190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16818973#comment-16818973
] 

Joe Orton commented on SERF-190:
--------------------------------

If there are case where HUP|ERR is returned by the poll and this needs to be handled as a
HUP (connection reset) rather than the ERR case this patch will be a regression; the serf
test suite is failing for me in trunk with and without this so I'm not sure whether those
cases are likely.
{quote}{{6/6 Test #6: test_all .........................***Failed 2.94 sec}}{quote}

> Connection does not fall back to IPv4 when missing IPv6 default route
> ---------------------------------------------------------------------
>
>                 Key: SERF-190
>                 URL: https://issues.apache.org/jira/browse/SERF-190
>             Project: serf
>          Issue Type: Bug
>    Affects Versions: serf-1.3.9
>            Reporter: Petr Menšík
>            Priority: Major
>         Attachments: serf_v6fallback.diff
>
>
> serf and subversion using it will not fall back to IPv4, if IPv6 is enabled on the system
but default IPv6 route leading to target is not available. It should try all addresses obtained
in my opinion, especially from different address families.
> {code:java}
> svn co https://nlnetlabs.nl/svn/unbound/trunk
> svn: E170013: Unable to connect to a repository at URL 'https://nlnetlabs.nl/svn/unbound/trunk'
> svn: E000113: Error running context: No route to host{code}
> Subversion does not have any switch to disable IPv6 and it does not fallback to IPv4.
The latter would be preferred.



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