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https://issues.apache.org/jira/browse/ACCUMULO-3923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14602151#comment-14602151
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Dave Marion commented on ACCUMULO-3923:
---------------------------------------

Loading of resource files on the classpath is a bug in vfs 2.0, fixed in 2.1. I 
have been trying to get them to release vfs 2.1 for months. We replaced the vfs 
2.0 jar with the 2.1 snapshot to get this  capability. It works at runtime, but 
does not compile with 2.1 snapshot due to api differences.

> VFS ClassLoader doesnt' work with KeywordExecutable
> ---------------------------------------------------
>
>                 Key: ACCUMULO-3923
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3923
>             Project: Accumulo
>          Issue Type: Bug
>            Reporter: Josh Elser
>            Priority: Critical
>             Fix For: 1.7.1, 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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