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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 Thu, 23 Jan 2014 17:16:38 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-2224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13880095#comment-13880095
] 

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

Commit de7d198459ba745b0d2d5a3c60b2be7286742f39 in branch refs/heads/master from [~mdrob@cloudera.com]
[ https://git-wip-us.apache.org/repos/asf?p=accumulo.git;h=de7d198 ]

ACCUMULO-2224 link TODOs to new JIRAs


> 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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