public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { type         = in.readInt();
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { type         = in.readByte();
        public void readExternal(ObjectInput in)            throws IOException, ClassNotFoundException {            type         = in.readInt();            id           = in.readLong();            rsp_expected = in.readBoolean();            if(in.readBoolean())                corrName         = in.readUTF();            callStack   = (java.util.Stack)in.readObject();            dest_mbrs=(java.util.List)in.readObject();        }