Server message registration:
Thread-1 com.jme3.network.base.DefaultServer.addStandardServices [2020-01-20 08:09:12] [FINE ] Adding standard services...
Thread-1 com.jme3.network.service.ServiceManager.addService [2020-01-20 08:09:12] [FINE ] addService(com.jme3.network.service.serializer.ServerSerializerRegistrationsService[serviceManager.class=])
Thread-1 com.jme3.network.service.ServiceManager.addService [2020-01-20 08:09:12] [FINE ] Initializing service:com.jme3.network.service.serializer.ServerSerializerRegistrationsService[serviceManager.class=]
Thread-1 com.jme3.network.serializing.Serializer.registerClassForId [2020-01-20 08:09:12] [FINE ] Registered class[-42]:class com.jme3.network.message.DisconnectMessage to:com.jme3.network.message.DisconnectMessage$DisconnectSerializer@6517e88f
Thread-1 com.jme3.network.serializing.Serializer.registerClassForId [2020-01-20 08:09:12] [FINE ] Registered class[-44]:class com.jme3.network.message.ClientRegistrationMessage to:com.jme3.network.mes