public int getRadiusMaxRetries() throws GuacamoleException {
        return environment.getProperty(
            RadiusGuacamoleProperties.RADIUS_MAX_RETRIES,
            5
        );
    }
Returns the maximum number of retries for connecting to the RADIUS server
from guacamole.properties.  The default number of retries is 5.

@return
    The number of retries for connection to the RADIUS server,
    from guacamole.properties.

@throws GuacamoleException
    If guacamole.properties cannot be parsed.
extensions/guacamole-auth-radius/src/main/java/org/apache/guacamole/auth/radius/conf/ConfigurationService.java