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From "Dave Marion (JIRA)" <>
Subject [jira] [Commented] (ACCUMULO-3923) VFS ClassLoader doesnt' work with KeywordExecutable
Date Mon, 13 Jun 2016 15:32:21 GMT


Dave Marion commented on ACCUMULO-3923:

I have some changes locally to so that it will support the following property
values in general.vfs.classpaths:


In all cases, it will create the /accumulo/classpath if it does not exist and push the jars
from the lib directory into the specified directory. I also found in my testing that the slf4j
jars need to be kept on the local server. Additionally, when trying to run `accumulo help`
to test these changes, I found that the client is in a deadlock situation. Ticket to follow.

> VFS ClassLoader doesnt' work with KeywordExecutable
> ---------------------------------------------------
>                 Key: ACCUMULO-3923
>                 URL:
>             Project: Accumulo
>          Issue Type: Bug
>            Reporter: Josh Elser
>            Assignee: Dave Marion
>            Priority: Critical
>             Fix For: 1.7.3, 1.8.0
> Trying to make the VFS classloading stuff work and it doesn't seem like ServiceLoader
is finding any of the KeywordExecutable implementations.
> Best I can tell after looking into this, VFSClassLoader (created by AccumuloVFSClassLoader)
has all of the jars listed as resources, but when ServiceLoader tries to find the META-INF/services
definitions, it returns nothing, and thus we think the keyword must be a class name. Seems
like a commons-vfs bug.

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