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From Oliver Jones <>
Subject Re: auth. extension class loading error
Date Fri, 29 Jul 2016 16:38:22 GMT
Following up on my message from yesterday, I'm still stumped.

Ubuntu 16.04 LTS, tomcat7, Java 1.8

I built the tutorial auth extension described in chapter 18 of the
Guacamole manual, and I have the same problem; this time it's the
SimpleAuthenticationProvider that the class loader can't find.

Any suggestions?

On Thu, Jul 28, 2016 at 3:32 PM, Oliver Jones <> wrote:

> When I put my .jar file in the extensions directory and bounce Tomcat,
> guacamole doesn't load properly and I get this class loader error in
> localhost.YYYY-MM-DD.log:
> SEVERE: Exception sending context initialized event to listener instance
> of class
> java.lang.NoClassDefFoundError:
> org/apache/guacamole/net/auth/AuthenticationProvider

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