RequestConverter causing compile error

[DatL4g]

Ktorfit version

2.0.0

What happened and how can we reproduce this issue?

Adding @RequestType causes compile exception.

Example:

@GET("trending/all/{window}")
suspend fun all(
	@RequestType(String::class) @Path("window") window: Boolean,
	@Query("language") language: String
): HttpResponse

Stacktrace:

[ksp] java.util.NoSuchElementException: List is empty.
	at kotlin.collections.CollectionsKt___CollectionsKt.first(_Collections.kt:221)
	at de.jensklingenberg.ktorfit.reqBuilderExtension.RequestConverterTextKt.addRequestConverterText(RequestConverterText.kt:13)
	at de.jensklingenberg.ktorfit.model.FunctionData.toFunSpec(FunctionData.kt:36)
	at de.jensklingenberg.ktorfit.model.ClassDataKt.getImplClassFileSource(ClassData.kt:116)
	at de.jensklingenberg.ktorfit.generator.ClassGeneratorKt.generateImplClass(ClassGenerator.kt:25)
	at de.jensklingenberg.ktorfit.KtorfitProcessor.process(KtorfitProcessor.kt:40)
	at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension$doAnalysis$8$1.invoke(KotlinSymbolProcessingExtension.kt:310)
	at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension$doAnalysis$8$1.invoke(KotlinSymbolProcessingExtension.kt:308)
	at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension.handleException(KotlinSymbolProcessingExtension.kt:414)
	at com.google.devtools.ksp.AbstractKotlinSymbolProcessingExtension.doAnalysis(KotlinSymbolProcessingExtension.kt:308)
	at org.jetbrains.kotlin.analyzer.common.CommonResolverForModuleFactory$Companion.analyzeFiles(CommonResolverForModuleFactory.kt:204)
	at org.jetbrains.kotlin.analyzer.common.CommonResolverForModuleFactory$Companion.analyzeFiles$default(CommonResolverForModuleFactory.kt:143)
	at org.jetbrains.kotlin.cli.metadata.CommonAnalysisKt.runCommonAnalysisIteration$lambda$1(CommonAnalysis.kt:72)
	at org.jetbrains.kotlin.cli.common.messages.AnalyzerWithCompilerReport.analyzeAndReport(AnalyzerWithCompilerReport.kt:115)
	at org.jetbrains.kotlin.cli.metadata.CommonAnalysisKt.runCommonAnalysisIteration(CommonAnalysis.kt:71)
	at org.jetbrains.kotlin.cli.metadata.CommonAnalysisKt.runCommonAnalysisForSerialization(CommonAnalysis.kt:38)
	at org.jetbrains.kotlin.cli.metadata.K2MetadataKlibSerializer.analyze(K2MetadataKlibSerializer.kt:45)
	at org.jetbrains.kotlin.cli.metadata.K2MetadataKlibSerializer.analyze(K2MetadataKlibSerializer.kt:40)
	at org.jetbrains.kotlin.cli.metadata.AbstractMetadataSerializer.analyzeAndSerialize(AbstractMetadataSerializer.kt:34)
	at org.jetbrains.kotlin.cli.metadata.K2MetadataCompiler.doExecute(K2MetadataCompiler.kt:134)
	at org.jetbrains.kotlin.cli.metadata.K2MetadataCompiler.doExecute(K2MetadataCompiler.kt:48)
	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:104)
	at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.kt:48)
	at org.jetbrains.kotlin.cli.common.CLITool.exec(CLITool.kt:101)
	at org.jetbrains.kotlin.daemon.CompileServiceImpl.compile(CompileServiceImpl.kt:1556)
	at jdk.internal.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at java.rmi/sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:360)
	at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:200)
	at java.rmi/sun.rmi.transport.Transport$1.run(Transport.java:197)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:712)
	at java.rmi/sun.rmi.transport.Transport.serviceCall(Transport.java:196)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:587)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:705)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
	at java.rmi/sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:704)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:840)

What did you expect to happen?

Well, no compile error and working Converter.Factory integration of requestParameterConverter

Is there anything else we need to know about?

Maybe #511 related but not sure

[Foso]

Hi @DatL4g thank you for your bug report. I found the reason for the bug