On 24.5.2011 12:07, Pavel Bucek wrote:
> Hello,
>
> this should work:
>
> return Response.ok(
>     new GenericEntity<List<Stock>>(Lists.newArrayList(stock)){}
> ).build();
You need to use the "workaround" above due to the type erasure 
(
http://download.oracle.com/javase/tutorial/java/generics/erasure.html) 
- otherwise Jersey is not able to see the type parameter during the runtime.
Martin
>
>
> Regards,
> Pavel
>
> On 5/21/11 1:59 PM, amsellem.yves wrote:
>> Jersey can produce:
>>
>> @Path("/stock")
>> public class StockResource {
>>      @GET
>>      @Produces(MediaType.APPLICATION_JSON)
>>      public List<Stock>  get() {
>>          Stock stock = new Stock();
>>          stock.setQuantity(3);
>>          return Lists.newArrayList(stock);
>>      }
>> }
>> But cannot do the same with:
>>
>> @Path("/stock")
>> public class StockResource {
>>      @GET
>>      @Produces(MediaType.APPLICATION_JSON)
>>      public Response get() {
>>          Stock stock = new Stock();
>>          stock.setQuantity(3);
>>          return Response.ok(Lists.newArrayList(stock)).build();
>>      }
>> }
>> Giving the error: A message body writer for Java class 
>> java.util.ArrayList,
>> and Java type class java.util.ArrayList, and MIME media type
>> application/json was not found
>>
>> This prevent the use of HTTP status code and headers.
>>
>> -- 
>> View this message in context: 
>> http://jersey.576304.n2.nabble.com/Jersey-can-produce-List-T-but-cannot-Response-ok-List-T-build-tp6389283p6389283.html
>> Sent from the Jersey mailing list archive at Nabble.com.
>>
>