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


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

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:
>             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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