salut,
je développé un programme qui permet de connecté a un périphérique voila le code:
{

// Providing connection parameters

RemoteLinkServer rls = new RemoteLinkServer("localhost", 47,"admin","admin");



// Creating LinkServer connection controller

RemoteLinkServerController rlc = new RemoteLinkServerController(rls, true);

try

{

// Connecting to the server

rlc.connect();

}

mais le programme ça marche pas voici l'arreur:

log4j:WARN No appenders could be found for logger (ag.protocol).
log4j:WARN Please initialize the log4j system properly.
com.tibbo.aggregate.common.device.RemoteDeviceErrorException: Error connecting to LinkServer (localhost:47, admin): Connection refused: connect
at com.tibbo.aggregate.common.device.RemoteLinkServerController.connectImpl(RemoteLinkServerController.java:99)
at com.tibbo.aggregate.common.device.AggreGateDeviceController.connect(AggreGateDeviceController.java:139)
at LinkServerExample.main(LinkServerExample.java:29)
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(Unknown Source)
at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.connect(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.<init>(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketFactoryImpl.createSocket(Unknown Source)
at com.tibbo.aggregate.common.device.RemoteLinkServerController.connectImpl(RemoteLinkServerController.java:74)
... 2 more


le problème que j'ai pas compris c quoi exactement log4j et comment corrigé ces erreur ???


merciii