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From "Christopher Tubbs (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-3865) miniDFS not reinitialized on MiniAccumuloClusterImpl
Date Tue, 09 Jun 2015 16:25:00 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-3865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14579167#comment-14579167
] 

Christopher Tubbs commented on ACCUMULO-3865:
---------------------------------------------

Am I correct in stating that this is not currently a problem in any of our tests, but that
it does constrain what kinds of tests we (and other consumers of MiniAccumuloCluster) can
write?

If that's the case, we could probably offer a more explicit error ({{new IllegalStateException("Cannot
re-start mini when using mini DFS")}}) for now.

> miniDFS not reinitialized on MiniAccumuloClusterImpl
> ----------------------------------------------------
>
>                 Key: ACCUMULO-3865
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3865
>             Project: Accumulo
>          Issue Type: Bug
>          Components: mini
>    Affects Versions: 1.6.0, 1.6.1, 1.6.2
>            Reporter: Josh Elser
>             Fix For: 1.6.3, 1.7.1, 1.8.0
>
>
> Noticed this looking at ACCUMULO-3864.
> {{stop()}} nulls the miniDFS local member, but it's only initialized in the constructor,
not {{start()}}.
> Calling {{start()}} after a {{stop()}} when {{useMiniDFS(true)}} will hang indefinitely
because the filesystem is unavailable. It will likely also NPE in certain places.



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