Resolution: Not a Bug
- Make sure you have at least JDK-11
- Clone https://github.com/tomsontom/rest-easy-mp
- Run mvn clean test
While implementing REST-Services in a quarkus application we came across
the problem that when doing fileuploads who are require the use of
resteasy-multipart-provider we can not use custom converters registered
for our POJOs (well in our REST-APIs we only have interfaces).
So what's the problem if we have an REST-Endpoint like this:
where IMetaData looks like this:
The upload fails because there's not way for REST-Easy to convert from the JSON-Encoded metaData to Java-Object (that's expected).
Because of that we register "ParamConverterProvider"  for those
types. This works great for @PathParam(), @QueryParam but fails for the