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From Charles Mccrea <>
Subject Re: Assistance on creating jar file from directory
Date Sat, 21 Oct 2017 14:04:56 GMT
Hi Nick,

Still working on this issue but I'm still not seeing results.  Here's the

Using this post -,
I'm able to confirm a lot of things.

   - I've looked into my /etc/passwd file and confirmed that my tomcat home
   is /usr/share/tomcat/.guacamole/.
   - Inside this directory I have my file and the
   extensions folder.
   - I didn't have my GUACAMOLE_HOME environement variable set so I've done
   this now using an .sh script.  Confirmed on reboot that my environment
   variable is set properly.
   - Inside this /usr/share/tomcat/.guacamole/extensions folder I have
the guacamole-auth-jdbc-mysql-0.9.9.jar
   file.  At the bottom of that forum post I'm following there is an example
   extension .jar file.  I've used this to see if I can make changes to my
   login screen so I've copied this .jar file into my extensions folder so it
   sits beside the guacamole-auth-jdbc-mysql-0.9.9.jar file.  I'm assuming
   both files can reside in the same folder without issue.
   - I then restarted tomcat and guacd services.  Cleared my history on
   both my Chrome and Firefox browsers and loaded up my Guacamole site.
   Nothing has changed.
   - I then restarted my Guacamole server.  Again no changes on my login

I'm at a loss here as to why this isn't working?  I did make sure that the
.jar file of this customize extension has the guac-manifest.json in the root
of the directory (and not in a subdirectory).

I have no idea what log files to look into to confirm if my extension is
even seen.  But I'm assuming it's not recognized.  Where should I look to
confirm this?

Any other ideas on what I need to do?

Thank you.

On Thu, Oct 19, 2017 at 9:48 PM, Nick Couchman <> wrote:

> On Thu, Oct 19, 2017 at 5:27 PM, Charles Mccrea <>
> wrote:
>> Hello Nick and thank you for this explanation.
>> I've searched my guacamole server for a location.  I
>> found two:
>> /etc/guacamole/
>> /usr/share/tomcat/.guacamole/
>> It would appear that one is a pointer to the other so basically I have
>> found my file.
>> Looking within my file I do not find an entry for
>> GUACAMOLE_HOME.  Should this environment variable be there?
>>    - Will defining a Guacamole_home environment variable then tell
>>    guacamole where to find my new extension .jar file?
>>    - And my Guacamole does work as of now in that I can login and use
>>    Guacamole.  So how does my Guacamole currently work if it doesn't know
>>    where the Guacamole home is?
>> Charles,
> I think all you need to do is create the extensions directory inside the
> /etc/guacamole and/or /usr/share/tomcat/.guacamole directory, then drop
> your JAR file in there and restart Tomcat or redeploy the web app.
> -Nick

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