我试图编译和运行仅使用本地依赖性一个java GRPC客户端，但我收到以下错误：的Java GRPC运行时错误
Exception in thread "main" java.lang.NoClassDefFoundError: io/netty/channel/socket/nio/NioSocketChannel
at tyChannelBuilder.(NettyChannelBuilder.java:69)
at tyChannelBuilder.(NettyChannelBuilder.java:103)
at tyChannelBuilder.forAddress(NettyChannelBuilder.java:91)
at tyChannelProvider.builderForAddress(NettyChannelProvider.java:52)
at tyChannelProvider.builderForAddress(NettyChannelProvider.java:38)
at io.grpc.ManagedChannelBuilder.forAddress(ManagedChannelBuilder.java:45)
at myclient.MyClient.(myClient.java:28)
at myclient.MyClient.main(myClient.java:90)
Caused by: java.lang.ClassNotFoundException: ty.channel.socket.nio.NioSocketChannel
at .URLClassLoader.findClass(URLClassLoader
