> -----Original Message----- > From: Eric Le Goff [mailto:[EMAIL PROTECTED] > Sent: 2007年11月28日 20:31 > To: cxf-user@incubator.apache.org > Subject: Re: restful_jaxrs sample > > On Nov 28, 2007 10:53 AM, Liu, Jervis <[EMAIL PROTECTED]> wrote: > > > > I believe this is because you don't have following lines in your demo: > > > > //FIXME: wont work if remove this method, has to set > hasSubResource to true > > @UriTemplate("/anyURLWilldo") > > public String anyMethodNameWillDo() { > > return null; > > } > > DONE > > > > > Actually this is a bug, just have not found time to fix it. Basically at the > moment you need to have a resource method only marked with > @UriTemplate (no @HttpMethod("") annotation). This tells jax-rs > runtime this resource class has subResources. I hope I can have these hacks > fixed next week. > > > > Cool I will check it when it is done > > > String type can be handled by JAX-RS runtime by default. > > Now my demo class looks like > > ===== > @javax.ws.rs.UriTemplate("/helloworld/") > public class HelloWorldRessource { > > @javax.ws.rs.HttpMethod("GET") > @javax.ws.rs.UriTemplate("{section}/{id}") > public String findBySectionAndId(@javax.ws.rs.UriParam("section") > String section, @javax.ws.rs.UriParam("id") > String id) { > return "Hello World - section is " + section + ", id is " + id + "\n"; > } > > > //FIXME: wont work if remove this method, has to set hasSubResource > to true > @UriTemplate("/foo") > public String foobar() { > return null; > } > } > ====== > > FWIW I had to change type of the "Id" parameter from an int to a > String not to throw a IllegalArgumentException >
This is a bug. I've filed JIRA https://issues.apache.org/jira/browse/CXF-1240 for this. > Still my response is a NPE > but the stack trace on console is a bit different : > > <==== > java] java.lang.NullPointerException > [java] at > org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.handleMessage(JAXRS > OutInterceptor.java:94) > [java] at > org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorC > hain.java:207) > [java] at > org.apache.cxf.interceptor.OutgoingChainInterceptor.handleMessage(Outgo > ingChainInterceptor.java:74) > [java] at > org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorC > hain.java:207) > [java] at > org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiation > Observer.java:74) > [java] at > org.apache.cxf.transport.http_jetty.JettyHTTPDestination.serviceRequest(Jet > tyHTTPDestination.java:284) > [java] at > org.apache.cxf.transport.http_jetty.JettyHTTPDestination.doService(JettyHT > TPDestination.java:240) > [...] > > > ====> > > By looking at the code, it shows that in > org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.handleMessage() > method, the provider variable is set to null > > <==== > [...] > EntityProvider provider = > ((ProviderFactoryImpl)ProviderFactory.getInstance()) > .createEntityProvider(targetType, methodMimeTypes, > false); /// <---- getting a null provider here !!! > > try { > if (!"*/*".equals(methodMimeTypes[0])) { > message.put(Message.CONTENT_TYPE, > methodMimeTypes[0]); > } > > provider.writeTo(responseObj, null, null, out); > [...] > ====> > > > the > org.apache.cxf.jaxrs.provider.ProviderFactoryImpl.createEntityProvider(Clas > s<T> > type, String[] requestedMineTypes, boolean isConsumeMime) returns > null because the test > > <=== > [...] > if (matchMineTypes(supportedMimeTypes, requestedMineTypes) && > ep.supports(type)) { > return ep; > } > [...] > ===> > > always fails. > > Actually the "ep.supports(type) " is trying to check if my method > return type (java.lang.String) has been annotated with @XmlRootElement > which is of course never true... > > What could I be missing here ? > Bug. JIRA https://issues.apache.org/jira/browse/CXF-1240. > -- > Eric Le Goff ---------------------------- IONA Technologies PLC (registered in Ireland) Registered Number: 171387 Registered Address: The IONA Building, Shelbourne Road, Dublin 4, Ireland
