I m trying to integrate our mpp client library into a fritz2

Question

I m trying to integrate our mpp client library into a fritz2 project We have a login function that suspends that we are trying to call from a handler on the login form When it runs we get this error ``` cause us9j0c$ 0 TypeError NetworkError when attempting to fetch resource message q7r8iu$ 0 Fail to fetch name Error stack captureStack webpack internal kotlin dce dev kotlin js 39116 27 nError 0 webpack internal kotlin dce dev kotlin js 39410 14 ncommonFetch$lambda$lambda 1 lt webpack internal kotlin dce dev ktor ktor client core jsLegacy js 17565 68 npromise callback commonFetch$lambda lt webpack internal kotlin dce dev ktor ktor client core jsLegacy js 17581 11 nsuspendCancellableCoroutine$lambda 1 lt webpack internal kotlin dce dev ktor ktor client core jsLegacy js 17547 16 nCoroutine$commonFetch prototype doResume webpack internal kotlin dce dev ktor ktor client core jsLegacy js 17602 116 ncommonFetch webpack internal kotlin dce dev ktor ktor client core jsLegacy js 17630 23 nCoroutine$execute dkgphz$ prototype doResume webpack internal kotlin dce dev ktor ktor client core jsLegacy js 16974 25 nJsClientEngine prototype execute dkgphz$ webpack internal kotlin dce dev ktor ktor client core jsLegacy js 17004 21 nCoroutine$HttpClientEngine$executeWithinCallContext$lambda prototype doResume webpack internal kotlin dce dev ktor ktor client core jsLegacy js 1591 58 nCoroutineImpl prototype resumeWith tl1gpc$ webpack internal kotlin dce dev kotlin js 39279 35 nDispatchedTask prototype run webpack internal kotlin dce dev kotlinx coroutines core js 34823 22 nMessageQueue prototype process webpack internal kotlin dce dev kotlinx coroutines core js 38215 15 nWindowMessageQueue$schedule$lambda lt webpack internal kotlin dce dev kotlinx coroutines core js 38170 27 npromise callback WindowMessageQueue prototype schedule webpack internal kotlin dce dev kotlinx coroutines core js 38175 25 nMessageQueue prototype enqueue 771g0p$ webpack internal kotlin dce dev kotlinx coroutines core js 38202 10 nWindowDispatcher prototype dispatch 5bn72i$ webpack internal kotlin dce dev kotlinx coroutines core js 38126 16 nJsMainDispatcher prototype dispatch 5bn72i$ webpack internal kotlin dce dev kotlinx coroutines core js 37913 17 ndispatch webpack internal kotlin dce dev kotlinx coroutines core js 34864 20 nCancellableContinuationImpl prototype dispatchResume 0 webpack internal kotlin dce dev kotlinx coroutines core js 1549 11 nCancellableContinuationImpl prototype completeResume za3rmp$ webpack internal kotlin dce dev kotlinx coroutines core js 1647 8 nAbstractChannel$ReceiveElement prototype completeResumeReceive 11rb$ webpack internal kotlin dce dev kotlinx coroutines core js 6207 13 nArrayChannel prototype offerInternal 11rb$ webpack internal kotlin dce dev kotlinx coroutines core js 6938 28 nAbstractSendChannel prototype offer 11rb$ webpack internal kotlin dce dev kotlinx coroutines core js 5316 21 nChannelCoroutine prototype offer 11rb$ webpack internal kotlin dce dev kotlinx coroutines core js 7768 26 nWithEvents$subscribe$lambda$lambda lt webpack internal kotlin dce dev fritz2 core js 3398 13 n lt prototype gt Object constructor Error 0 stack kotlinx coroutines core js 37890```

Jilles van Gurp · Answer

I ve tried calling the function from our main function like this and that works Doing the same in the handler doesn t seem to work It looks like we re hitting this issue I would appreciate any suggested workarounds ``` GlobalScope launch try val res = service login xxxx println res catch e Exception println ```

Jilles van Gurp · Answer

Also tried the GlobalScope promise but always get the same error when it runs from the fritz2 handler

Jilles van Gurp · Answer

To be clear the mpp client uses ktor client amp kotlinx serialization We use it on Android as well We enabled CORS headers on our server and the login function works fine when called outside the fritz2 handler The bug suggests this is some kind of compiler issue

HankG · Answer

This sort of merged workflow with KMM KMP is something I m interested in trying curious to see what the resolution is

Jilles van Gurp · Answer

< Jacob Otto> from our side managed to work around it can you maybe share what you did here

Jacob Otto · Answer

Unfortunately I did not get around this one But I only get it in the firefox browser and only on the first login attempt after compiling

Jilles van Gurp · Answer

mystery solved amp pilot error we were using a form tag which caused the page to reload and login at the same time Sometimes it would cancel the co routine and trigger the ugly error

Jilles van Gurp · Answer

solution get rid of the form tag and it started working nicely