For spring-integration 5.2.x:
org.springframework.integration.transformer.MessageTransformationException: failed to transform message; nested exception is java.lang.IllegalStateException: java.lang.ClassNotFoundException
by JsonToObjectTransformer.getClassForValue
For spring-integration 5.2.4 (with filtered resolvabletype and typeId)
DefaultAmqpHeaderMapper : error occurred while mapping from AMQP properties to MessageHeaders
java.lang.IllegalStateException: java.lang.ClassNotFoundException
This projects uses AMQP, so provide or start a suitable broker like
docker run --rm --hostname poc -p 5672:5672 rabbitmq:3