Hi I am using ktor client on iOS and trying to move API requests to background thread but get this error ```Trying to access top level value not marked as ThreadLocal or SharedImmutable from non main thread kotlin native IncorrectDereferenceException Trying to access top level value not marked as ThreadLocal or SharedImmutable from non main thread kfun kotlin Throwable lt init gt kotlin String kotlin Throwable + 87 kfun kotlin Exception lt init gt kotlin String kotlin Exception + 85 kfun kotlin RuntimeException lt init gt kotlin String kotlin RuntimeException + 85 kfun kotlin native IncorrectDereferenceException lt init gt kotlin String kotlin native IncorrectDereferenceException + 85 ThrowIncorrectDereferenceException + 137 CheckIsMainThread + 25 kfun io ktor http lt get URL ALPHABET CHARS gt internal + 35 kfun io ktor http encodeURLPath kotlin String kotlin String + 717 kfun io ktor http takeFromUnsafe$ktor http io ktor http URLBuilder kotlin String io ktor http URLBuilder + 2278 kfun io ktor http takeFrom io ktor http URLBuilder kotlin String io ktor http URLBuilder + 263``` My code is ``` withContext workerDispatcher val loginResponse = <http client post|client post> lt LoginNetworkResponse gt $apiEndpoint init auth v=1 contentType ContentType Application Json body = LoginNetworkRequest ```

Trying to access top level value not marked as @ThreadLocal or @SharedImmutable from non-main thread
kotlin.native.IncorrectDereferenceException: Trying to access top level value not marked as @ThreadLocal or @SharedImmutable from non-main thread
        kfun:kotlin.Throwable.<init>(kotlin.String?)kotlin.Throwable + 87
        kfun:kotlin.Exception.<init>(kotlin.String?)kotlin.Exception + 85
        kfun:kotlin.RuntimeException.<init>(kotlin.String?)kotlin.RuntimeException + 85
        kfun:kotlin.native.IncorrectDereferenceException.<init>(kotlin.String)kotlin.native.IncorrectDereferenceException + 85
        ThrowIncorrectDereferenceException + 137
        CheckIsMainThread + 25
        kfun:io.ktor.http.<get-URL_ALPHABET_CHARS>#internal + 35
        kfun:io.ktor.http.encodeURLPath@kotlin.String.()kotlin.String + 717
        kfun:io.ktor.http.takeFromUnsafe$ktor-http@io.ktor.http.URLBuilder.(kotlin.String)io.ktor.http.URLBuilder + 2278
        kfun:io.ktor.http.takeFrom@io.ktor.http.URLBuilder.(kotlin.String)io.ktor.http.URLBuilder + 263

My code is

...
withContext(workerDispatcher){
    val loginResponse = <http://client.post|client.post><LoginNetworkResponse>("$apiEndpoint/init/auth?v=1") {
            contentType(ContentType.Application.Json)
            body = LoginNetworkRequest(
                ...
            )
        }
   ....
}

12/18/2019, 9:24 PM

This is bug. No workaround.

Aleksey Chugaev

12/18/2019, 9:39 PM

Has it been raised anywhere for tracking?

12/18/2019, 9:41 PM

Yes, we aware of it: we have tons of top-level vals that don’t work with K/N. Need to cleanup them somehow.

Aleksey Chugaev

12/18/2019, 9:43 PM

Do you have a target release or date for it yet?

12/18/2019, 10:01 PM

I hope 1.3.0

👍 1

1.3.0-rc still doesn’t work

Aleksey Chugaev

12/18/2019, 10:06 PM

No it doesn't, I updated to RC today

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