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POSpring MVC JSON - POST Mapping perfect untill...then 415 Unsupported Media
 

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  1. POSpring MVC JSON - POST Mapping perfect untill...then 415 Unsupported Media
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    <p>I have a controller method that looks like this:</p> <pre><code>@RequestMapping(value = "{userId}", method = RequestMethod.POST) public @ResponseBody Map save( @PathVariable Long userId,@RequestBody MealPlan mealPlan) { //do work } </code></pre> <p>Jackson was mapping my POSTs perfectly until I added the following to MealPlan:</p> <pre><code>@OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER) @JoinTable(name = "Meal_Plan_Meals", joinColumns = { @JoinColumn(name = "mealPlan_id")}, inverseJoinColumns = { @JoinColumn(name = "meal_id")}) public Set&lt;Meal&gt; getMeals() { return meals; } </code></pre> <p>I have two other Sets in the same class mapped in the same way and those work fine. </p> <p>The headers are all good in the request (as i said it works fine until I add this Set). </p> <p>Any thoughts on what I am doing wrong would be very much appreciated.</p> <p>Thanks, Bruce</p> <pre><code>INFO: 14:20:20.641 [http-thread-pool-8080(5)] DEBUG o.s.web.servlet.DispatcherServlet - DispatcherServlet with name 'mvc-dispatcher' processing POST request for [/mealplanner/api/mealplan/1] INFO: 14:20:20.642 [http-thread-pool-8080(5)] DEBUG o.s.w.s.m.m.a.RequestMappingHandlerMapping - Looking up handler method for path /mealplan/1 INFO: 14:20:20.643 [http-thread-pool-8080(5)] DEBUG o.s.w.s.m.m.a.RequestMappingHandlerMapping - Returning handler method [public java.util.Map com.enthrive.api.controller.MealPlanController.save(java.lang.Long,com.enthrive.domain.mealplanner.MealPlan)] INFO: 14:20:20.643 [http-thread-pool-8080(5)] DEBUG o.s.b.f.s.DefaultListableBeanFactory - Returning cached instance of singleton bean 'mealPlanController' INFO: 14:20:20.709 [http-thread-pool-8080(5)] DEBUG o.s.w.s.m.m.a.ExceptionHandlerExceptionResolver - Resolving exception from handler [public java.util.Map com.enthrive.api.controller.MealPlanController.save(java.lang.Long,com.enthrive.domain.mealplanner.MealPlan)]: org.springframework.web.HttpMediaTypeNotSupportedException: Content type 'application/json;charset=utf-8' not supported INFO: 14:20:20.713 [http-thread-pool-8080(5)] DEBUG o.s.w.s.m.a.ResponseStatusExceptionResolver - Resolving exception from handler [public java.util.Map com.enthrive.api.controller.MealPlanController.save(java.lang.Long,com.enthrive.domain.mealplanner.MealPlan)]: org.springframework.web.HttpMediaTypeNotSupportedException: Content type 'application/json;charset=utf-8' not supported INFO: 14:20:20.713 [http-thread-pool-8080(5)] DEBUG o.s.w.s.m.s.DefaultHandlerExceptionResolver - Resolving exception from handler [public java.util.Map com.enthrive.api.controller.MealPlanController.save(java.lang.Long,com.enthrive.domain.mealplanner.MealPlan)]: org.springframework.web.HttpMediaTypeNotSupportedException: Content type 'application/json;charset=utf-8' not supported INFO: 14:20:20.714 [http-thread-pool-8080(5)] DEBUG o.s.web.servlet.DispatcherServlet - Null ModelAndView returned to DispatcherServlet with name 'mvc-dispatcher': assuming HandlerAdapter completed request handling INFO: 14:20:20.714 [http-thread-pool-8080(5)] DEBUG o.s.web.servlet.DispatcherServlet - Successfully completed request </code></pre>
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    1. PTQuestion
    1. USuser1766760
    1. USuser2065855
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      1. POSpring MVC JSON - POST Mapping perfect untill...then 415 Unsupported Media
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      1. VTApproveEditSuggestion
    1. COIs there a stack trace in your log files you can post? I suspect LazyInstantiationException...
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      1. POSpring MVC JSON - POST Mapping perfect untill...then 415 Unsupported Media
      1. USPeter Bratton
    2. COI am not seeing anything in the logs. I supposed I need to turn up the log levels.
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    3. COThat said the GET for the same object works fine.
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      1. USuser2065855
 

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