java.lang.NoSuchMethodError on kotlinx.coroutines.selects.SelectKt.onTimeout

[martijnblankestijn]

Thanks for the library. Stumbled upon it when looking for a kotlin library in the style of Alpakka which I have used in my Scala days ;-)

When using the library in a testcase, the kafka consumer flow does not process anything and gives the stacktrace below.

Importing the kotlinx-coroutines-bom:1.6.4, the same version as was advertised in the libs.versions.toml to force the use of 1.6.4 within my project did not help. The only thing that helped was cloning the git repo, build a SNAPSHOT from main and that ran without an issue on 1.6.4. It also worked after upgrading the project to kotlinx-coroutines-bom:1.7.1"

Would it be possible to create a new release?

The stacktrace

    Suppressed: java.lang.NoSuchMethodError: 'void kotlinx.coroutines.selects.SelectKt.onTimeout-8Mi8wO0(kotlinx.coroutines.selects.SelectBuilder, long, kotlin.jvm.functions.Function1)'
        at io.github.nomisRev.kafka.internal.FlowTimeChunkedKt$chunked$3.invokeSuspend(FlowTimeChunked.kt:67)
        at io.github.nomisRev.kafka.internal.FlowTimeChunkedKt$chunked$3.invoke(FlowTimeChunked.kt)
        at io.github.nomisRev.kafka.internal.FlowTimeChunkedKt$chunked$3.invoke(FlowTimeChunked.kt)
        at kotlinx.coroutines.flow.internal.FlowCoroutineKt$scopedFlow$1$1.invokeSuspend(FlowCoroutine.kt:51)
        at kotlinx.coroutines.flow.internal.FlowCoroutineKt$scopedFlow$1$1.invoke(FlowCoroutine.kt)
        at kotlinx.coroutines.flow.internal.FlowCoroutineKt$scopedFlow$1$1.invoke(FlowCoroutine.kt)
        at kotlinx.coroutines.intrinsics.UndispatchedKt.startUndispatchedOrReturn(Undispatched.kt:78)
        at kotlinx.coroutines.flow.internal.FlowCoroutineKt.flowScope(FlowCoroutine.kt:33)
        at kotlinx.coroutines.flow.internal.FlowCoroutineKt$scopedFlow$$inlined$unsafeFlow$1.collect(SafeCollector.common.kt:113)
        at PositionConsumer$positionsFlow$1$invokeSuspend$$inlined$map$1.collect(SafeCollector.common.kt:113)
        at kotlinx.coroutines.flow.FlowKt__EmittersKt$onStart$$inlined$unsafeFlow$1.collect(SafeCollector.common.kt:120)
        at kotlinx.coroutines.flow.FlowKt__EmittersKt$onCompletion$$inlined$unsafeFlow$1.collect(SafeCollector.common.kt:114)
        at kotlinx.coroutines.flow.internal.ChannelFlowMerge$collectTo$2$1.invokeSuspend(Merge.kt:69)
        at _COROUTINE._BOUNDARY._(CoroutineDebugging.kt:46)
        at io.github.nomisRev.kafka.internal.FlowTimeChunkedKt$chunked$3.invokeSuspend(FlowTimeChunked.kt:91)
        at kotlinx.coroutines.flow.internal.FlowCoroutineKt$scopedFlow$1$1.invokeSuspend(FlowCoroutine.kt:51)
        at kotlinx.coroutines.flow.FlowKt__EmittersKt$onStart$$inlined$unsafeFlow$1.collect(Emitters.kt:120)
        at kotlinx.coroutines.flow.FlowKt__EmittersKt$onCompletion$$inlined$unsafeFlow$1.collect(Emitters.kt:114)
        at kotlinx.coroutines.flow.internal.ChannelFlowMerge$collectTo$2$1.invokeSuspend(Merge.kt:69)
        at kotlinx.coroutines.flow.FlowKt__EmittersKt$onStart$$inlined$unsafeFlow$1.collect(Emitters.kt:120)
        at kotlinx.coroutines.flow.FlowKt__EmittersKt$onCompletion$$inlined$unsafeFlow$1.collect(Emitters.kt:114)
        at kotlinx.coroutines.flow.FlowKt__CollectKt$launchIn$1.invokeSuspend(Collect.kt:50)
    Caused by: java.lang.NoSuchMethodError: 'void kotlinx.coroutines.selects.SelectKt.onTimeout-8Mi8wO0(kotlinx.coroutines.selects.SelectBuilder, long, kotlin.jvm.functions.Function1)'
        at io.github.nomisRev.kafka.internal.FlowTimeChunkedKt$chunked$3.invokeSuspend(FlowTimeChunked.kt:67)

[nomisRev]

Hey @martijnblankestijn,

Thank you so much for this issue.

There was indeed a breaking change in 1.7.0 of KotlinX. I will release a patch version in the coming week to fix this issue.

[martijnblankestijn]

Thanks, I really appreciate the work!

[nomisRev]

Hey @martijnblankestijn,

Thank you again for the report, and support ☺️ I will invest some more time later this year to polish up the library, and release 1.0.0. Any feedback you might have towards that would be greatly appreciated! A public roadmap will be created soon.

New 0.3.1 release changelog can be found here, https://github.com/nomisRev/kotlin-kafka/releases/tag/0.3.1