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POIn Spring 3.0.5 and coding it to serve JSON, what is this log output trying to tell me?
 

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  1. POIn Spring 3.0.5 and coding it to serve JSON, what is this log output trying to tell me?
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    <p>Using Spring 3.0.5, I am trying to return a list of strings in JSON format.</p> <ul> <li><p>I read the post <a href="https://stackoverflow.com/questions/4203333/spring-mvc-json-response">spring-mvc-json-response</a></p></li> <li><p>I have available to me jackson-mapper code 1.4.2 and it's on my classpath.</p></li> <li><p>I am also using <code>&lt;context:component-scan base-package="com.funfun.foofoo2" /&gt;</code> which should satisfy the <code>&lt;mvc:annotation-driven&gt;</code> requirement.</p></li> <li><p>I am returning a <code>List&lt;String&gt;</code> although I have tried just a bean too.</p></li> <li><p>When I return raw JSON as a String, it works. </p></li> </ul> <p>What is the following log output telling me? Is it saying it cannot find the Jackson JSON Mapper and thus the <code>MappingJacksonHttpMessageConverter</code> is not loaded? </p> <pre><code>17:19:01,037 DEBUG [AnnotationMethodHandlerExceptionResolver:132] Resolving exception from handler [com.funfun.foofoo2.CarModelsController@181fa4b]: org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation 17:19:01,037 DEBUG [ResponseStatusExceptionResolver:132] Resolving exception from handler [com.funfun.foofoo2.CarModelsController@181fa4b]: org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation 17:19:01,037 DEBUG [DefaultHandlerExceptionResolver:132] Resolving exception from handler [com.funfun.foofoo2.CarModelsController@181fa4b]: org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation 17:19:01,053 DEBUG [DispatcherServlet:824] Null ModelAndView returned to DispatcherServlet with name 'appServlet': assuming HandlerAdapter completed request handling </code></pre> <p><em>Update:</em> I am using jQuery's getJSON. In Firefox Firebug, I see the header coming over as application/json. The Spring method is constrained to only handle requests for JSON.</p>
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