On Sun, Jun 18, 2023 at 2:28 PM Xuo <x...@free.fr> wrote:
>
> Hi,
>
> I'm trying to run Guacamole 1.5.2 on Mageia8 but I get the following error 
> message :
> HTTP Status 404 - not Found
> The origin server did not find a current representation for the target 
> resource or is not willing to disclose that one exists.
>
> Here are some trials I did to debug :
> Guacamole 1.4, Tomcat-9.0.41-1.mga8 => works fine.
> Guacamole 1.4, Tomcat-9.0.73-1.1.mga8 => works fine.
> Guacamole 1.5.2, Tomcat-9.0.73-1.1.mga8 => when trying to connect to 
> Guacamole, I get the following error message in my browser :

What version of Java?

> HTTP Status 404 - not Found
> The origin server did not find a current representation for the target 
> resource or is not willing to disclose that one exists.
>
> and in Tomcat logs :
>
> 18-Jun-2023 18:04:10.670 GRAVE [main] 
> org.apache.catalina.core.StandardContext.startInternal Un ou plusieurs 
> écouteurs n'ont pas pu démarrer, les détails sont dans le fichier de log du 
> conteneur
> ### Translated from French :
> ### One or more listener could not start, details are in the container logs.
>
> 18-Jun-2023 18:04:10.699 GRAVE [main] 
> org.apache.catalina.core.StandardContext.startInternal Erreur de démarrage du 
> contexte [/guacamole] suite aux erreurs précédentes
> ### Translated from French :
> ### Starting error of context [/guacamole] because of previous errors
>
> 18-Jun-2023 18:04:10.794 INFOS [14] 
> org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading 
> Impossible de charger 
> [com.google.common.collect.AbstractMapBasedMultimap$AsMap$AsMapIterator], ce 
> chargeur de classes a déjà été arrêté
> ### Translated from French :
> ### Impossible to load 
> [com.google.common.collect.AbstractMapBasedMultimap$AsMap$AsMapIterator], 
> this class loader is already stopped.
>
>     java.lang.IllegalStateException: Impossible de charger 
> [com.google.common.collect.AbstractMapBasedMultimap$AsMap$AsMapIterator], ce 
> chargeur de classes a déjà été arrêté
>         at 
> org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1432)
> ...

You'll probably need to enable additional debugging in the Guacamole
web application and try, again, and see if you get any more useful
messages:
https://guacamole.apache.org/doc/gug/configuring-guacamole.html#logging-within-the-web-application

>
> I don't know if this can help but here is my apache guacamole.conf file 
> (/etc/httpd/conf/sites.d/guacamole.conf)

I think the error you're seeing indicates it's more basic than this -
this would be the Apache httpd configuration for the proxying
Guacamole, but it seems like Tomcat is failing to load it for some
reason.

-Nick

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