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kotlinlang

Hi, I'm trying out ktor and reading the <https://ktor.io/docs/guides-api.html#jwt-authentication|HTTP API—Ktor 1.4.0>, but when I make post request it gives me Caused by: io.ktor.features.CannotTransformContentToTypeException: Cannot transform this request's content to com.example.LoginRegister

Looks like you dont have any ContentNegotiation feature installed

<https://ktor.io/docs/guides-api.html#serving-json-content>

I prefer to use `kotlinx.serialization` as a `ContentNegotiation` feature

but the artifact is hard to find so there you go
<https://kotlinlang.slack.com/archives/C0A974TJ9/p1607073158289100?thread_ts=1607072406.287700&amp;cid=C0A974TJ9>

Thanks for the reply, if I use ContentNegotiation with serialization and make request the response is 415 Unsupported Media Type

So if I use jackson and make a request with JSON body everything works

check if setting `Content-Type:application/json` to your request solves the issue