Ktor App Code

Main.kt

fun Application.main() {
    val log = LoggerFactory.getLogger("Main App")
    install(DefaultHeaders)
    install(CallLogging)
    install(ContentNegotiation) {
        register(ContentType.Application.Json, GsonConverter())
    }
    install(StatusPages) {
        exception<Throwable> { cause ->
            log.error("Unhandled error", cause)
            val status = when (cause) {
                is AccessControlException -> HttpStatusCode.Forbidden
                else -> HttpStatusCode.InternalServerError
            }
            call.respondText("Error: ${cause}", status = status)
        }
    }
    install(Authentication) {
        basic {
            realm = "Y U NO WORK"
            validate { credentials ->
                null
            }
        }
    }
    routing {
        authenticate {
            get("/posts/{path}") {
                val path = call.parameters["path"]
                val principal = call.authentication.principal<UserIdPrincipal>()!!

                call.respond (HttpStatusCode.Accepted) //if I replace this with call.respondText, it can listen for HTTP requests
                //but if it is call.respond(Any), it dies before it can even start listening
            }
        }
    }
}