ProtocolException: Expected ':status' header not present

Question

Retrofit network calls fails with a Protocol Exception suddenly in a working app. The app was working till yesterday and today all the network calls fails. The calls works f

Answer 1

I am using OkHttp2 (2.7.5) and I solved this issue by forcing the client to use HTTP 1.1 protocol

OkHttpClient client = new OkHttpClient();
client.setProtocols(Arrays.asList(Protocol.HTTP_1_1)); // <- add this line