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POSpring web application, try to send response as json throwing error 500 error
 

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  1. POSpring web application, try to send response as json throwing error 500 error
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    <p>I am developing a web application in Spring framework. When the requests are getting served as ModelAndView respose type. It is working good but when i try to serve response as json it is throwing an error as </p> <p><strong>exception</strong></p> <pre><code>org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.NoSuchMethodError: org.codehaus.jackson.map.SerializationConfig.isEnabled(Lorg/codehaus/jackson/map/SerializationConfig$Feature;)Z org.springframework.web.servlet.DispatcherServlet.triggerAfterCompletionWithError(DispatcherServlet.java:1259) </code></pre> <p><strong>root cause</strong></p> <pre><code>java.lang.NoSuchMethodError: org.codehaus.jackson.map.SerializationConfig.isEnabled(Lorg/codehaus/jackson/map/SerializationConfig$Feature;)Z org.springframework.http.converter.json.MappingJacksonHttpMessageConverter.writeInternal(MappingJacksonHttpMessageConverter.java:193) </code></pre> <p><strong>Method in Controller</strong></p> <pre><code>@RequestMapping(value="/getFBFriendsList",method=RequestMethod.GET)&lt;br/&gt; public @ResponseBody List&lt;String&gt; getStatesList(HttpServletRequest req){&lt;br/&gt; List&lt;String&gt; statesList = null; try{&lt;br/&gt; statesList = new ArrayList&lt;String&gt;();&lt;br/&gt; //..here i am getting states from datebase and adding to list&lt;br/&gt; }&lt;br/&gt; catch(Exception e){}&lt;br/&gt; return statesList; } </code></pre> <p><strong>Configurations in dispatcher Servlet</strong></p> <pre><code>&lt;bean id="jsonHttpMessageConverter" class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" &gt; &lt;property name="supportedMediaTypes" value="application/json" /&gt; &lt;/bean&gt; &lt;bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"&gt; &lt;property name="messageConverters"&gt; &lt;list&gt; &lt;ref bean="jsonHttpMessageConverter" /&gt; &lt;/list&gt; &lt;/property&gt; &lt;/bean&gt; &lt;bean id="viewResolver" class="org.springframework.web.servlet.view.UrlBasedViewResolver"&gt; &lt;property name="viewClass"&gt; &lt;value&gt; org.springframework.web.servlet.view.tiles2.TilesView &lt;/value&gt; &lt;/property&gt; &lt;/bean&gt; </code></pre> <p><strong>And i am using jackson jars</strong></p> <ul> <li>jackson-core-asl-1.9.0.jar<br/></li> <li>jackson-mapper-asl-1.9.0.jar<br/></li> <li>json-lib-0.9.jar<br/></li> </ul> <p>and Spring version is 3.2.4</p>
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    1. USwilx
    1. USuser2679721
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      1. VTUpMod
    1. COwhat kind of objects are you putting into your list?
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      1. USBruce Lowe
    2. COI am putting String
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      1. USuser2679721
 

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