Implementation Smallrye Mutiny on Micronaut

[Juan Diego Lopez]

I want implementation Small Mutiny on Micronaut but crash application,

How to do fix this? 

Error: 

Caused by: com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class io.smallrye.mutiny.operators.UniOnItemTransform and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS)

[clement escoffier]

Hello,

Are you trying to return a Uni from an HTTP endpoint? 

I don't know how Micronaut works, but I guess you need some kind of converter to _serialize_ the Uni (well, the emitted item or failure). We have something like this for Quarkus. 

Check how Micronaut handles RX Java Single and reproduce the same for Uni.

Clement

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