# Guacamole - Debug

# Debug Guacamole

<div id="bkmrk-lors-de-la-pmad-guac">During PMAD, Guacamole does not connect instantly</div><div id="bkmrk-faite-%3A">  
Done:</div>```
journalctl -u tomcat9 -f
```

<div id="bkmrk-tester-une-connexion">Test a connection.  
  
Check for the following line:</div>```
[http-nio-8081-exec-9] WARN  o.a.g.r.auth.AuthenticationService - Authentication attempt from [10.48.2
50.43, 127.0.0.1] for user "root" failed.
```

<div id="bkmrk-si-elle-est-pr%C3%A9sente">  
If it is present:</div>```
systemctl restart tomcat9
journalctl -u tomcat9 -f
```

<div id="bkmrk-v%C3%A9rifier-la-pr%C3%A9sence">  
Check for the following line:</div>```
ERROR o.a.g.extension.ExtensionModule - Extension "guacamole-auth-jdbc-mysql-1.5.4.jar" could not be loaded: Unable to read contents of directory /etc/guacamole/lib
```

<div id="bkmrk-si-elle-est-pr%C3%A9sente-1">  
If present:</div>```
chmod 755 /etc/guacamole/lib/
```