ManagedChannelImpl.getState(boolean requestConnection) always return IDLE

[kevinw66]

I'm using channel.getState(true) to check if my connection in the channel is correct, but no matter which address I use it will always return IDLE. My gRPC version: 1.63.0 And here is my test code:

public static void main(String[] args) throws Exception {
    ManagedChannel channel = ManagedChannelBuilder.forAddress("177.177.177.177", 1717)
            .usePlaintext()
            .build();
    ConnectivityState state = channel.getState(true);
    System.out.println(state);
    Thread.sleep(10000);
    System.out.println(state);
}