Error 401 on module

Hello everybody

I have a problem to connect my applet with the digi. I send this RCI command:

and my program but the answer of the digi is : Server returned HTTP response code: 401 for URL:
at gpio.AppletGPIO.jbInit(
at gpio.AppletGPIO.init(
at com.borland.jbuilder.runtime.applet.AppletTestbed.startApplet(Unknown Source)
at com.borland.jbuilder.runtime.applet.AppletTestbed.main(Unknown Source)

I think it’s about the username and password but i don’t know how to write it in RCI command !

I joint my applet