Throwing anything other than IOException in the OkHttp interceptor will crash your app
One thing to note, maybe you don’t know about it, is that OkHttp interceptors work with IOException. So if you decide to implement some kind of a retry mechanism - to refresh a token when you get a forbidden response code, to retry a request, or something else, keep in mind that if you throw anything different than IOException or a subclass of it, like InvalidStateException, your app will crash and the exception will not even reach the try-catch block of your code. ...