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From "Michael Wall (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-1507) Dynamic Classloader still can't keep proper track of jars
Date Thu, 26 Jan 2017 15:11:24 GMT


Michael Wall commented on ACCUMULO-1507:

Is this still and issue?  Can we close this?

> Dynamic Classloader still can't keep proper track of jars
> ---------------------------------------------------------
>                 Key: ACCUMULO-1507
>                 URL:
>             Project: Accumulo
>          Issue Type: Bug
>          Components: start
>    Affects Versions: 1.5.0, 1.6.0
>            Reporter: John Vines
>            Assignee: John Vines
>             Fix For: 1.8.1
> From ACCUMULO-1321-
> It was never quite fixed, it seems. There are two standing issues with the Dynamic Classloader
> # if you delete and drop in a new jar, it's possible that the delete only triggers, causing
any classes in the new jar to fail to load unless the file gets renamed in the ext directory
> # if you rename the file in the ext directory, it's still possible that the class files
fail to load
> I'm speculating there are race conditions around the Monitor being used to watch the
file system, but that is just speculation.

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