"main" java.lang.NoClassDefFoundError: net/channel/ChannelSe

.ClassNotFoundException: net.channel.ChannelServer
URLClassLoader$1.run(Unknown Source)
rity.AccessController.doPrivileged(Native Method)
URLClassLoader.findClass(Unknown Source)
.ClassLoader.loadClass(Unknown Source)
Launcher$AppClassLoader.loadClass(Unknown Source)
.ClassLoader.loadClass(Unknown Source)
ain class: net.channel.ChannelServer.  Program will exit.
tinue . . . World online.
"main" java.lang.ExceptionInInitializerError
ct.NativeMethodAccessorImpl.invoke0(Native Method)
ct.NativeMethodAccessorImpl.invoke(Unknown Source)
ct.DelegatingMethodAccessorImpl.invoke(Unknown Source)
.reflect.Method.invoke(Unknown Source)
.Class.getEnumConstantsShared(Unknown Source)
.System$2.getEnumConstantsShared(Unknown Source)
.EnumMap.getKeyUniverse(Unknown Source)
.EnumMap.<init>(Unknown Source)
tProcessor.<init>(PacketProcessor.java:36)
tProcessor.getProcessor(PacketProcessor.java:66)
.LoginServer.run(LoginServer.java:102)
.LoginServer.main(LoginServer.java:141)
.NullPointerException
ileInputStream.<init>(Unknown Source)
ileInputStream.<init>(Unknown Source)
pcode.getDefaultProperties(RecvOpcode.java:199)
pcode.<clinit>(RecvOpcode.java:207)