JAXRS client can't find message body writer

Question

I have a jaxrs client configured like this:

Answer 1

This answers point me in the right direction, yet i had to add on two parts to make it work on web.xml

 
        jaxrs.providers
        
            org.codehaus.jackson.jaxrs.JacksonJaxbJsonProvider
            (writeXsiType=false)
        
    

And on the client call:

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