Improperly formed default mime type causes connection error when connecting to spring-boot rsocket server

Hi everyone,

I have a Spring Boot RSocket server and I am unable to connect to it with your example. I got a rejected Setup : 0000 Error {000}: [00000003] Invalid mime type “binary”: does not contain ‘/’ I tried some options in RSocketOptions but alyaws the same error

Here is my spring server config :

spring:
  rsocket:
    server:
      port: 7000
      transport: tcp

Here is my dotnet program

var client = new RSocketClient(new SocketTransport("tcp://localhost:7000"), new RSocketOptions(){ InitialRequestSize = 3 });
			//var client = new RSocketClient(new WebSocketTransport("ws://localhost:9092/"), new RSocketOptions() { InitialRequestSize = 3 });
			//var client = new RSocketClient(loopback);
			await client.ConnectAsync();

The server is working, I did manage to handle RSocket data with another spring boot client.

Thanks for your help !

[OlegDokuka]

@foyss can you try passing options directly into ConnectAsync

var client = new RSocketClient(new WebSocketTransport("ws://127.0.0.1:7000/quotes"));

await client.ConnectAsync(new RSocketOptions() { 
    InitialRequestSize = 3,
    DataMimeType = "application/x-binary",
    MetadataMimeType = "application/x-binary"
});

that should fix your problem

[OlegDokuka]

Hi @broadside74 !

We have improperly formed mime-type which should be application/octet-stream instead of binary

Thanks for finding that. Feel free to create a PR or otherwise I will do that shortl.

Cheers, Oleh