Hi Jack,
take a look at [1] where you can find some info regarding this topic -
enabling logging for tracing support because by default you can see
tracing messages only in response headers.
[1]
http://yatel.kramolis.cz/2013/11/how-to-configure-jdk-logging-for-jersey.html
HTH,
Michal
On 14.01.2014, 00:39 , Jack Lista wrote:
> Hi Michal,
>
> I suspect that I may be doing something like what Simon is doing in
> terms of confusing some of my JSON configuration related to jackson,
> and I'm trying to turn on server log file tracing to get some further
> detail about what's being used for JSON databinding but I'm not seeing
> any actual logging even though there's talk in the docs about a
> dedicated java logger.
>
> I set these in my Application class (descended from ResourceConfig):
>
> property("jersey.config.server.tracing", "ALL").
> property("jersey.config.server.tracing.threshold", "VERBOSE");
>
> Sorry to ask bonehead questions, but can you tell me what else needs
> to be done before this "dedicated" logger starts logging things? Thanks!!
>
>
> On Mon, Jan 13, 2014 at 1:21 PM, Michal Gajdos
> <michal.gajdos_at_oracle.com <mailto:michal.gajdos_at_oracle.com>> wrote:
>
> Hi Simon,
>
> you have dependency on both Jackson 1.x (via
> jersey-media-json-jackson) and Jackson 2.x (directly in your
> pom.xml). ObjectMapper class doesn't seem to be in the same
> package in Jackson 1 (org.codehaus.jackson.map.ObjectMapper) than
> it is in Jackson 2 ( com.fasterxml.jackson.databind.ObjectMapper).
> You have created ContextResolver for the latter (Jackson 2) but
> it's possible that Jackson 1 is used to (un)marshall your entities
> (and ContextResolver is not found). Try to remove dependency on
> jersey-media-json-jackson (+ remove registration of
> JacksonFeature) and run your app again (MBR/MBW from Jackson 2
> will still get registered via META-INF/services mechanism).
>
> Michal
>
>
> On 13.01.2014, 19:59 , Simon Herter wrote:
>> Hi,
>>
>> I have some problems when using my own @Provider. I'm using
>> Jackson for JSON processing and all works well but I can't figure
>> out, how to modify the jackson content provider.
>>
>> I registered my own provider as shown in documentation
>> (https://jersey.java.net/documentation/latest/media.html#json.jackson)
>>
>> but the output does not change.
>>
>>
>> @Provider
>> @Produces(MediaType.APPLICATION_JSON)
>> public class JsonProvider implements ContextResolver<ObjectMapper>{
>>
>> final ObjectMapper om;
>>
>> public JsonProvider() {
>> om = new ObjectMapper();
>> om.enable(SerializationFeature.INDENT_OUTPUT);
>> }
>>
>> @Override
>> public ObjectMapper getContext(Class<?> type) {
>> return om;
>> }
>> }
>>
>>
>>
>> @ApplicationPath("/")
>> public class App extends ResourceConfig {
>>
>> public SmartCampusServer() {
>> packages("package");
>> register(JsonProvider.class);
>> register(JacksonFeature.class);
>> }
>> }
>>
>> I'm using recent stable versions of jackson and jersey.
>> Full Code is available as maven project on github
>> https://github.com/ne0h/proseminar2013/tree/jsonprovider/server/Java/SmartCampusServer/
>>
>> Simon Herter
>>
>
>