Symptoms:
When we try to connect to a server (File >> Connect), and an exception has thrown from the method ClientComm.connect(...), for example java.net.UnknownHostException and IOException, the end user is not being informed.
Console log
nov 17, 2016 1:07:34 PM mt.client.ConnectForm connectBtnActionPerformed
SEVERE: null
java.net.UnknownHostException: Server 1
Exceptoin handle added.