Branch: refs/heads/master Home: https://github.com/resteasy/Resteasy Commit: dfec84bd4ca2aac07dc5aaee45a21536ea95cd71 https://github.com/resteasy/Resteasy/commit/dfec84bd4ca2aac07dc5aaee45a21... Author: David Santos <dawuid(a)gmail.com&gt; Date: 2020-04-24 (Fri, 24 Apr 2020) Changed paths: M resteasy-client/src/main/java/org/jboss/resteasy/client/jaxrs/internal/proxy/processors/invocation/HeaderParamProcessor.java Log Message: ----------- [RESTEASY-2495] HeaderParam could have a ParamConverter related (#2292) AbstractInvocationCollectionProcessor is processing Array and Collection of elements being ParamConverter aware. But with single values is delegating in final class to process the value. HeaderParamProcessor is not being aware of such transformation.