Spring 5 and Kotlin 1.1 Coroutines: Type rx.Scheduler no presente

Estoy usando Kotlin 1.1.4-3 con Spring-context 5.0.0.RELEASE.

Al iniciar el proyecto obtengo este error:

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org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'coroutineAnnotationBeanPostProcessor' defined in class path resource [org/springframework/kotlin/experimental/coroutine/context/ProxyCoroutineConfiguration.class]: Unsatisfied dependency expressed through method 'coroutineAnnotationBeanPostProcessor' parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'globalCoroutineContextResolver' defined in class path resource [org/springframework/kotlin/experimental/coroutine/context/CoroutineContextResolverConfiguration.class]: Unexpected exception during bean creation; nested exception is java.lang.reflect.InvocationTargetException at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:723) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:458) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1249) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1098) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:502) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:312) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:310) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:205) Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'globalCoroutineContextResolver' defined in class path resource [org/springframework/kotlin/experimental/coroutine/context/CoroutineContextResolverConfiguration.class]: Unexpected exception during bean creation; nested exception is java.lang.reflect.InvocationTargetException at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:518) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:312) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:310) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200) at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:251) at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1133) at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1060) at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowinetworkingArgument(ConstructorResolver.java:809) at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:715) Caused by: java.lang.reflect.InvocationTargetException: null at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at kotlin.reflect.jvm.internal.impl.load.kotlin.reflect.ReflectClassStructure.processAnnotationArguments(ReflectKotlinClass.kt:173) at kotlin.reflect.jvm.internal.impl.load.kotlin.reflect.ReflectClassStructure.processAnnotation(ReflectKotlinClass.kt:162) at kotlin.reflect.jvm.internal.impl.load.kotlin.reflect.ReflectClassStructure.loadMethodAnnotations(ReflectKotlinClass.kt:97) at kotlin.reflect.jvm.internal.impl.load.kotlin.reflect.ReflectClassStructure.visitMembers(ReflectKotlinClass.kt:87) at kotlin.reflect.jvm.internal.impl.load.kotlin.reflect.ReflectKotlinClass.visitMembers(ReflectKotlinClass.kt:68) at kotlin.reflect.jvm.internal.impl.load.kotlin.AbstractBinaryClassAnnotationAndConstantLoader.loadAnnotationsAndInitializers(AbstractBinaryClassAnnotationAndConstantLoader.kt:257) Caused by: java.lang.TypeNotPresentException: Type rx.Scheduler not present at sun.reflect.annotation.TypeNotPresentExceptionProxy.generateException(TypeNotPresentExceptionProxy.java:46) at sun.reflect.annotation.AnnotationInvocationHandler.invoke(AnnotationInvocationHandler.java:84) at com.sun.proxy.$Proxy166.value(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at kotlin.reflect.jvm.internal.impl.load.kotlin.reflect.ReflectClassStructure.processAnnotationArguments(ReflectKotlinClass.kt:173) at kotlin.reflect.jvm.internal.impl.load.kotlin.reflect.ReflectClassStructure.processAnnotation(ReflectKotlinClass.kt:162) at kotlin.reflect.jvm.internal.impl.load.kotlin.reflect.ReflectClassStructure.loadMethodAnnotations(ReflectKotlinClass.kt:97) Caused by: java.lang.ClassNotFoundException: rx.Scheduler at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at sun.reflect.generics.factory.CoreReflectionFactory.makeNamedType(CoreReflectionFactory.java:114) at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Reifier.java:125) at sun.reflect.generics.tree.ClassTypeSignature.accept(ClassTypeSignature.java:49) at sun.reflect.annotation.AnnotationParser.parseSig(AnnotationParser.java:439) at sun.reflect.annotation.AnnotationParser.parseClassValue(AnnotationParser.java:420) 

Parece que la spring está buscando la class rx.Scheduler , pero no está en la ruta de classs. Es obvio que la dependencia correspondiente de rx.Scheduler no se agrega. pero no pude encontrar nada relevante en Internet.

Agregué RxJava2 ( io.reactivex.rxjava2 ) al proyecto pero no funcionó. ¿Que puedo hacer?

Respuesta final: basada en la respuesta de Rafal G.

Este error se debe al uso de la biblioteca konrad-kaminski / spring-kotlin-coroutine . Sin embargo, utilicé estas dependencies en mi proyecto:

  "org.springframework.kotlin" % "spring-kotlin-coroutine" % "0.2.2" exclude("org.jetbrains.kotlinx", "kotlinx-coroutines"), "org.springframework" % "spring-context" % "5.0.0.RELEASE", "org.springframework.data" % "spring-data-jpa" % "2.0.0.RELEASE", // https://mvnrepository.com/artifact/io.reactivex.rxjava2/rxjava "io.reactivex.rxjava2" % "rxjava" % "2.1.4", // https://mvnrepository.com/artifact/io.reactivex/rxjava "io.reactivex" % "rxjava" % "1.3.2", // https://mvnrepository.com/artifact/io.projectreactor/reactor-core "io.projectreactor" % "reactor-core" % "3.1.0.RELEASE"