Hi, In my application that is running on top of Ktor 1.6.4 I noticed that call.receiveText() returns...

# ktor

[itzik kasovitch]

Hi,
In my application that is running on top of Ktor 1.6.4 I noticed that call.receiveText() returns a garbled string if the input text is in Japanese. I ruled out that it happens on the client side. Is there some configuration I forgot to do to make receiveText handle Japanese correctly?

[Aleksei Tirman [JB]]

Could you please try to reproduce it with Ktor 1.6.8 or 2.0.2?

[itzik kasovitch]

Trying

[itzik kasovitch]

Still garbled with 1.6.8

[itzik kasovitch]

Any idea what do to next @Aleksei Tirman [JB] ?

[Aleksei Tirman [JB]]

Seems like there is some bug in Ktor 1.6.8 that is fixed in Ktor 2.0.2.

[itzik kasovitch]

Can you please send a link to the bug?

[Aleksei Tirman [JB]]

Most likely this one https://youtrack.jetbrains.com/issue/KTOR-789. As a workaround, use the following code to receive a body as text:

import io.ktor.application.*
import io.ktor.features.*
import io.ktor.http.*
import io.ktor.request.*
import io.ktor.routing.*
import io.ktor.server.engine.*
import io.ktor.server.netty.*
import io.ktor.utils.io.*
import io.ktor.utils.io.core.*

fun main() {
    embeddedServer(Netty, port = 3333) {
        routing {
            post("/") {
                val charset = try {
                    call.request.contentCharset() ?: Charsets.UTF_8
                } catch (cause: BadContentTypeFormatException) {
                    throw BadRequestException("Illegal Content-Type format: ${call.request.headers[HttpHeaders.ContentType]}", cause)
                }
                val text = call.receiveChannel().readRemaining().readText(charset)
            }
        }
    }.start(true)
}

[itzik kasovitch]

Thanks I will try that.

[itzik kasovitch]

Is it possible to add the fix for Ktor 1.6.x at some point?

[Aleksei Tirman [JB]]

Unfortunately, no. Only security bug fixed are backported into Ktor 1.6.*.