java.lang.ClassCastException: reactor.core.publisher.MonoMap cannot be cast to reactor.core.publisher.Flux

[sanchuvarkey-accesso]

I am getting class cast exception when I change spring.cloud.function.web.export.auto-startup to true

Caused by: java.lang.ClassCastException: reactor.core.publisher.MonoMap cannot be cast to reactor.core.publisher.Flux
    at org.springframework.cloud.function.web.source.SupplierExporter.forward (SupplierExporter.java:160)
    at org.springframework.cloud.function.web.source.SupplierExporter.start (SupplierExporter.java:98)
    at org.springframework.context.support.DefaultLifecycleProcessor.doStart (DefaultLifecycleProcessor.java:182)
    at org.springframework.context.support.DefaultLifecycleProcessor.access$200 (DefaultLifecycleProcessor.java:53)
    at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start (DefaultLifecycleProcessor.java:360)
    at org.springframework.context.support.DefaultLifecycleProcessor.startBeans (DefaultLifecycleProcessor.java:158)
    at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh (DefaultLifecycleProcessor.java:122)
    at org.springframework.context.support.AbstractApplicationContext.finishRefresh (AbstractApplicationContext.java:893)
    at org.springframework.boot.web.reactive.context.ReactiveWebServerApplicationContext.finishRefresh (ReactiveWebServerApplicationContext.java:115)
    at org.springframework.context.support.AbstractApplicationContext.refresh (AbstractApplicationContext.java:552)
    at org.springframework.boot.web.reactive.context.ReactiveWebServerApplicationContext.refresh (ReactiveWebServerApplicationContext.java:66)
    at org.springframework.boot.SpringApplication.refresh (SpringApplication.java:743)
    at org.springframework.boot.SpringApplication.refreshContext (SpringApplication.java:390)
    at org.springframework.boot.SpringApplication.run (SpringApplication.java:312)
    at org.springframework.boot.SpringApplication.run (SpringApplication.java:1214)
    at org.springframework.boot.SpringApplication.run (SpringApplication.java:1203)
    at com.att.ingest.gracenoteprogramtransformer.GracenoteProgramTransformerApplication.main (GracenoteProgramTransformerApplication.java:10)
    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 org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run (AbstractRunMojo.java:543)
    at java.lang.Thread.run (Thread.java:748)

[olegz]

What version of spring-cloud-function are you using?

[sanchuvarkey-accesso]

Spring Boot :: 2.1.7.RELEASE
Spring Cloud : 2.1.1.RELEASE