Look as though I have encountered a bizarre Kotlin Native co kotlinlang #kotlin-native

Look as though I have encountered a bizarre Kotlin...

napperley

01/30/2020, 2:23 AM

Look as though I have encountered a bizarre Kotlin Native compiler bug that has been driving me up the wall 🐛. Been developing a program that uses Ktor Client, and Ktor Client Serialization. When running the program using the

<http://xxxxxx>:xxxx

parameter, both the release and debug binaries work normally, and return this result:

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Response:
<!DOCTYPE html>
<html lang="en">
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <meta name="robots" content="noindex,nofollow">
        <title>Prometheus Time Series Collection and Processing Server</title>

...

When the

--list-labels <http://xxxxxx>:xxxx

program parameters are used instead the debug binary works fine, however the release binary exhibits some strange behaviour where no labels are printed. The release binary should be outputting something similar to the debug binary:

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Total Labels: 48
* __name__
* address
* battery
* branch
* broadcast
* call
* cell
* chip
* chip_name

...

napperley

01/30/2020, 2:29 AM

The release binary file size looks too good to be true at 3580 KB, while the debug binary file size by comparison is 10192 KB.

napperley

01/30/2020, 2:31 AM

Can find the project here: https://gitlab.com/napperley/prometheus-manager

👀 1

Artyom Degtyarev [JB]

01/30/2020, 9:11 AM

Just FYI: everything works correctly if you specify your data class like:

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data class LabelsResponse(val status: String, val data: ArrayList<String>)

Nevertheless, we’re still looking for the root cause of this behavior.

👍 1

olonho

01/30/2020, 2:35 PM

Likely fixed with https://github.com/JetBrains/kotlin-native/pull/3774

napperley

01/30/2020, 8:07 PM

Will the fix be included in Kotlin 1.3.70?

olonho

01/31/2020, 6:50 AM

Yes

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