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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-2224) ZooSession should be more robust to transient DNS issues
Date Wed, 26 Mar 2014 17:14:31 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-2224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13948134#comment-13948134
] 

ASF subversion and git services commented on ACCUMULO-2224:
-----------------------------------------------------------

Commit 4ee0f6494ea0d2265d930bce962ebcc3c7dbfe5c in accumulo's branch refs/heads/1.5.2-SNAPSHOT
from [~ctubbsii]
[ https://git-wip-us.apache.org/repos/asf?p=accumulo.git;h=4ee0f64 ]

Fix recent warnings introduced by several tickets

ACCUMULO-2005
ACCUMULO-2182
ACCUMULO-2224
ACCUMULO-2234
ACCUMULO-2539


> ZooSession should be more robust to transient DNS issues
> --------------------------------------------------------
>
>                 Key: ACCUMULO-2224
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2224
>             Project: Accumulo
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.5.0
>         Environment: 1.4.5-SNAP on CDH4 w/gremlins
>            Reporter: Sean Busbey
>            Assignee: Sean Busbey
>            Priority: Minor
>             Fix For: 1.4.5, 1.5.1, 1.6.0
>
>
> While injecting network faults, I found that transient DNS problems caused us to bail
out of ZooSessions rather than retrying as we do for all other IO problems. We should retry
these failures just as we do for Connection Refused or other networking problems.
> Since the addition of ACCUMULO-131, we can be sure that we won't retry actual invalid
hosts for ever. Instead, after the time out period that holds for all other problems we'll
properly exit.
> The warn messages logged for IOExceptions should suffice to indicate improperly specified
host names.



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