Hello Daku, I suppose your client application misses a json converter. Could you try to use the json extension and complete the classpath with the org.restlet.ext.json.jar lib and "json" lib (see the lib directory of the restlet distribution).
Best regards, Thierry Boileau Hello, > Le 23/05/2011 23:19, [email protected] a écrit : > > Hi, > > I have a very simple jaxrs application, having the resource class > > containing a method returning a JSONObject. However on the client side I > > am trying to print the returning while calling the get (see below) > > > > Client side: > > ClientResource cr = new > > ClientResource("http://localhost:8182/service";); > > cr.getConverterService().setEnabled(true); > > > > cr.get(MediaType.APPLICATION_JSON).write(System.out); > I think what happen is, with this line, you read the stream and exhaust > it. After that, you can not read it again from the client resource. > I hope I don't mislead you. > Regards, > Laurent. > > > > cr.get(ServiceResourceImpl.class).getServiceDescription(); > > String jo = > > cr.get(ServiceResourceImpl.class).getServiceDescription(); > > > > The last two methods return the following errors: > > > > WARNING: Unable to find a converter for this representation : > > [application/json,UTF-8] > > Exception in thread "main" java.lang.NullPointerException > > at eu.emi.core.Client.main(Client.java:23) > > > > and > > > > WARNING: Unable to find a converter for this representation : > > [application/json,UTF-8] > > Exception in thread "main" java.lang.NullPointerException > > at eu.emi.core.Client.main(Client.java:23) > > > > respectively (its the same)! > > > > Strangely the first one with ...write(System.out) works fine. > > > > On the server side, the resource method is being called without any > > problems. > > > > Here is the resource class: > > > > @Path("/service") > > public class ServiceResourceImpl{ > > > > /* (non-Javadoc) > > * @see > eu.emi.ServiceResource#getServiceDescription(java.lang.String) > > */ > > @GET > > @Produces(MediaType.APPLICATION_JSON) > > public JSONObject getServiceDescription() { > > System.out.println("getting service description"); > > Map<String, String> map = new HashMap<String, String>(); > > map.put("id", "1"); > > map.put("name", "data"); > > > > return new JSONObject(map); > > } > > } > > > > Could you please how can I resolve this? > > > > Thanks in advance, > > Daku > > > > > > CONFIDENTIALITY NOTICE: This e-mail and any files attached may contain > > confidential and proprietary information of Alcatel-Lucent and/or its > > affiliated entities. Access by the intended recipient only is > > authorized. Any liability arising from any party acting, or refraining > > from acting, on any information contained in this e-mail is hereby > > excluded. If you are not the intended recipient, please notify the > > sender immediately, destroy the original transmission and its > > attachments and do not disclose the contents to any other person, use it > > for any purpose, or store or copy the information in any medium. > > Copyright in this e-mail and any attachments belongs to Alcatel-Lucent > > and/or its affiliated entities. > > > > > > CONFIDENTIALITY NOTICE: This e-mail and any files attached may contain > > confidential and proprietary information of Alcatel-Lucent and/or its > > affiliated entities. Access by the intended recipient only is > > authorized. Any liability arising from any party acting, or refraining > > from acting, on any information contained in this e-mail is hereby > > excluded. If you are not the intended recipient, please notify the > > sender immediately, destroy the original transmission and its > > attachments and do not disclose the contents to any other person, use it > > for any purpose, or store or copy the information in any medium. > > Copyright in this e-mail and any attachments belongs to Alcatel-Lucent > > and/or its affiliated entities. > > > -- > Laurent Rustuel, > Alten contractor for Genesys, an Alcatel-Lucent Company > > ------------------------------------------------------ > > http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=2746878 > ------------------------------------------------------ http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=2748092
