Re: Custom Response with complex types - Class nor any of its super class is known to this context

[Sergey Beryozkin <sb...@gmail.com>]

Hi, CC-ing to users,

This is really a JAXB related question, you'd add @XmlSeeAlso to the 
base class, that would do as a start

Cheers, Sergey
On 07/07/14 19:22, Udara Liyanage wrote:
> Hi,
>
> I have a REST API which sends JSON as response. I want to implement a
> proper format for all the REST API calls. *MyResponse* is the custom class
> I implemented for the response.
>
>
> @XmlRootElement
> class MyResponse {
>      private String message;
>      private int code;
>      private Object data;
>
> // Geter and seters are removed to shorten the email
> }
>
>
> Below is the API method.
>
>   @GET
>      @Path("/cartridge/available/list")
>      @Produces("application/json")
>      @Consumes("application/json")
>      @AuthorizationAction("/permission/protected/manage/monitor/tenants")
>      public Response getAvailableCartridges() throws RestAPIException {
>          List<Cartridge> cartridges =
> ServiceUtils.getAvailableCartridges(null, null, getConfigContext());
>          Response.ResponseBuilder rb = Response.ok();
>          MyResponse mr = new MyResponse();
>          mr.setMessage("sucessess");
>          mr.setCode(300);
>          Cartridge cart = new Cartridge();
>          cart.setName("test");
>          *mr.setData(cart);*
>          return
> Response.ok().entity(mr).type(MediaType.APPLICATION_JSON).build();
>
>      }
>
> However above will end in below error.
>   Please note that if I set some primitive types for "data", it works fine.
>
> What should be done to resolve the issue?
>
> *What are the best practices when implementing custom responses with
> complex types. *
>
> *Caused by: javax.xml.bind.JAXBException: class
> org.apache.stratos.manager.dto.Cartridge nor any of its super class is
> known to this context.*
>      at
> com.sun.xml.bind.v2.runtime.XMLSerializer.reportError(XMLSerializer.java:246)
>      at
> com.sun.xml.bind.v2.runtime.XMLSerializer.reportError(XMLSerializer.java:261)
>      at
> com.sun.xml.bind.v2.runtime.XMLSerializer.childAsXsiType(XMLSerializer.java:653)
>      at
> com.sun.xml.bind.v2.runtime.property.SingleElementNodeProperty.serializeBody(SingleElementNodeProperty.java:152)
>      at
> com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.serializeBody(ClassBeanInfoImpl.java:340)
>      at
> com.sun.xml.bind.v2.runtime.XMLSerializer.childAsSoleContent(XMLSerializer.java:593)
>      at
> com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.serializeRoot(ClassBeanInfoImpl.java:324)
>      at
> com.sun.xml.bind.v2.runtime.XMLSerializer.childAsRoot(XMLSerializer.java:494)
>      at
> com.sun.xml.bind.v2.runtime.MarshallerImpl.write(MarshallerImpl.java:315)
>      at
> com.sun.xml.bind.v2.runtime.MarshallerImpl.marshal(MarshallerImpl.java:172)
>      at
> org.apache.cxf.jaxrs.provider.json.JSONProvider.marshal(JSONProvider.java:488)
>      at
> org.apache.cxf.jaxrs.provider.json.JSONProvider.marshal(JSONProvider.java:558)
>      at
> org.apache.cxf.jaxrs.provider.json.JSONProvider.writeTo(JSONProvider.java:378)
>      ... 40 more
> Caused by: javax.xml.bind.JAXBException: class
> org.apache.stratos.manager.dto.Cartridge nor any of its super class is
> known to this context.
>      at
> com.sun.xml.bind.v2.runtime.JAXBContextImpl.getBeanInfo(JAXBContextImpl.java:594)
>      at
> com.sun.xml.bind.v2.runtime.XMLSerializer.childAsXsiType(XMLSerializer.java:648)
>      ... 50 more
>


-- 
Sergey Beryozkin

Talend Community Coders
http://coders.talend.com/

Blog: http://sberyozkin.blogspot.com