Unexpected JAX-RS validation error for Feature ---------------------------------------------- Key: JBIDE-25669 URL: https://issues.jboss.org/browse/JBIDE-25669 Project: Tools (JBoss Tools) Issue Type: Bug Components: webservices Affects Versions: 4.5.2.Final Reporter: Cody Lerum Assignee: Xavier Coulon Labels: jax-rs, respin-a We are using JAX-RS client filters in our project. One of the classes looks like this: ... import java.io.IOException; import javax.ws.rs.client.ClientRequestContext; import javax.ws.rs.client.ClientRequestFilter; import javax.ws.rs.ext.Provider; ... @Provider public class ClientFilter implements ClientRequestFilter { ... } The class is part of a Dynamic Web Project with JAX-RS support turned on. The combination of @Provider and either of the ClientRequestFilter or ClientRequestFilter appears to confuse the JAX-RS validator which produces the following error: The Provider must implement at least one of the following interfaces: javax.ws.rs.ext.MessageBodyReader, javax.ws.rs.ext.MessageBodyWriter, javax.ws.rs.ext.ExceptionMapper, javax.ws.rs.ext.ReaderInterceptor, javax.ws.rs.ext.WriterInterceptor, javax.ws.rs.container.ContainerRequestFilter, javax.ws.rs.container.ContainerResponseFilter or javax.ws.rs.ext.ContextResolver. I suspect the validator needs to be enhanced to also accept the two client filter interfaces when checking the @Provider annotation?