Connection to guacd timed out

[Victor Martinez]

After conecting to RDP-Cliente, in the tomcat log file, I see a error about
guacd daemon timeout.
But the connection to RDP found whitout problem.

What could be the problem, for that error to be generated?

10:14:33.153 [http-nio-8080-exec-5] DEBUG o.a.i.d.pooled.PooledDataSource -
Testing connection 12045593 ...
10:14:33.153 [http-nio-8080-exec-5] DEBUG o.a.i.d.pooled.PooledDataSource -
Connection 12045593 is GOOD!
10:14:33.154 [http-nio-8080-exec-5] DEBUG o.a.i.d.pooled.PooledDataSource -
Returned connection 12045593 to pool.
10:14:33.154 [http-nio-8080-exec-5] ERROR
o.a.g.s.GuacamoleHTTPTunnelServlet - HTTP tunnel request failed: Connection
to guacd timed out.
10:14:33.158 [http-nio-8080-exec-5] DEBUG
o.a.g.s.GuacamoleHTTPTunnelServlet - Internal error in HTTP tunnel.
org.apache.guacamole.GuacamoleUpstreamTimeoutException: Connection to guacd
timed out.
        at
org.apache.guacamole.io.ReaderGuacamoleReader.read(ReaderGuacamoleReader.java:180)

Victor J. Martínez
RHCE
Cel.: (595)972-918-550
Asunción - Paraguay