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javajax-rsrestlet

How to get rid of org.restlet.ext.jaxrs.internal.util.ExceptionHandler noMessageBodyWriter?

I can call http://localhost/products and get the desired XML output. If I call http://localhost/facets I get

Mar 24, 2015 3:10:50 PM org.restlet.ext.jaxrs.internal.util.ExceptionHandler noMessageBodyWriter
WARNING: No message body writer found for class com.galexis.search.productsearch.bean.facet.FacetsDTO(generic type is class com.galexis.search.productsearch.bean.facet.FacetsDTO); response media type should be: application/xml; accepted media types are: [[text/html, application/xhtml+xml], [application/xml], [*/*]]

This is my resource:

public class MyResource {

    @Path("products")
    @GET
    @Produces("application/xml")
    public ProductsDTO getProductsByFieldNamesAndSearchStrings(somme parameters) {

        return getProducts();
    }

    @Path("facets")
    @GET
    @Produces("application/xml")
    public FacetsDTO getProductsFacetByFieldNamesAndSearchStrings(somme parameters) {
        return getFacets();
    }

}

ProductsDTO

@XmlRootElement(name = "products")
@XmlAccessorType(XmlAccessType.FIELD)
@XmlType
public class ProductsDTO {
   ...
}

FacetsDTO

@XmlType
@XmlAccessorType(XmlAccessType.FIELD)
public class FacetsDTO {
   ...
}

Any idea what's missing?

Solution

  • After taking the hard tour and debug the restelt jax-rs extenstion I discovered that it checks for a @XmlRootElement element. If it's absent it refuses to server an application/xml answer.