Hi I recently get these exceptions using coroutines and okht

Question

Hi I recently get these exceptions using coroutines and okhttp ```E AndroidRuntime FATAL EXCEPTION DefaultDispatcher worker 1 Process io github kartoffelsup nuntius PID 2334 java lang NoSuchMethodError No static method post$default Lio github kartoffelsup nuntius client NuntiusApiService Ljava lang String Ljava lang Object Lkotlinx serialization KSerializer Lkotlinx serialization KSerializer Ljava lang String ILjava lang Object Lkotlin coroutines Continuation Ljava lang Object in class Lio github kartoffelsup nuntius client NuntiusApiService or its super classes declaration of io github kartoffelsup nuntius client NuntiusApiService appears in data app io github kartoffelsup nuntius 1 base apk classes3 dex at io github kartoffelsup nuntius data user UserService login UserService kt 27 at io github kartoffelsup nuntius ui user UserLoginScreenKt$UserLoginScreen$formState$1$1 invokeSuspend UserLoginScreen kt 94 at kotlin coroutines jvm internal BaseContinuationImpl resumeWith ContinuationImpl kt 33 at kotlinx coroutines DispatchedTask run DispatchedTask kt 56 at kotlinx coroutines scheduling CoroutineScheduler runSafely CoroutineScheduler kt 571 at kotlinx coroutines scheduling CoroutineScheduler$Worker executeTask CoroutineScheduler kt 738 at kotlinx coroutines scheduling CoroutineScheduler$Worker runWorker CoroutineScheduler kt 678 at kotlinx coroutines scheduling CoroutineScheduler$Worker run CoroutineScheduler kt 665 ``` I m guessing I need a proguard rule or something I added this ``` keepclassmembers class io github kartoffelsup nuntius client NuntiusApiService ``` but that didn t help unfortunately Code is here Any pointers Thanks

kartoffelsup · Answer

The method is definitely in the jar ```javap NuntiusApiService class Compiled from NuntiusApiService kt public final class io github kartoffelsup nuntius client NuntiusApiService public final lt A B gt java lang Object post java lang String A kotlinx serialization KSerializer lt A gt kotlinx serialization KSerializer lt B gt java lang String kotlin coroutines Continuation lt super io github kartoffelsup nuntius client ApiResult gt public static java lang Object post$default io github kartoffelsup nuntius client NuntiusApiService java lang String java lang Object kotlinx serialization KSerializer kotlinx serialization KSerializer java lang String kotlin coroutines Continuation int java lang Object public final lt B gt java lang Object get java lang String kotlinx serialization KSerializer lt B gt java lang String kotlin coroutines Continuation lt super io github kartoffelsup nuntius client ApiResult gt public static java lang Object get$default io github kartoffelsup nuntius client NuntiusApiService java lang String kotlinx serialization KSerializer java lang String kotlin coroutines Continuation int java lang Object final lt A B gt java lang Object request java lang String io github kartoffelsup nuntius client NuntiusHttpMethod A kotlinx serialization KSerializer lt A gt kotlinx serialization KSerializer lt B gt java lang String kotlin coroutines Continuation lt super io github kartoffelsup nuntius client ApiResult gt static java lang Object request$default io github kartoffelsup nuntius client NuntiusApiService java lang String io github kartoffelsup nuntius client NuntiusHttpMethod java lang Object kotlinx serialization KSerializer kotlinx serialization KSerializer java lang String kotlin coroutines Continuation int java lang Object public io github kartoffelsup nuntius client NuntiusApiService io github kartoffelsup nuntius client NuntiusHttpClient kotlinx serialization json Json ``` and I set ``` minifyEnabled false shrinkResources false``` what else could cause this lt