: PhoneBook/java at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)at java.net.URLClassLoader.f
package server;
import java.awt.event.WindowEvent; at com.esotericsoftware.kryo.Kryo.register(Kryo.java:353)
at com.esotericsoftware.kryonet.KryoSerialization<init&