SpringMVC异常报406 (Not Acceptable)的解决办法

使用SpsringMVC,使用restEasy调试,controller请求设置如下:
 @RequestMapping(value="/list",method=RequestMethod.GET,produces=MediaType.APPLICATION_JSON_VALUE)
	@ResponseBody
	public List<EditTimeout> list(){
		 List<EditTimeout> list = editImpl.selectAll();
		return list;
	}


请求,debug跟踪list是返回值没有问题,但是前台页面报如下错误:
Response Status: 406 (Not Acceptable)


Response RAW返回值如下,(前半部分)
HTTP GET http://127.0.0.1:8080/onlineLibrary/rest/system/editTimeout/list
Host: 127.0.0.1:8080


406 Not Acceptable
Date: Sat, 17 Aug 2013 11:01:07 GMT
Server: Apache-Coyote/1.1
Content-Length: 1067
Content-Type: text/html;charset=utf-8
<html><head><title>Apache Tomcat/7.0.34 - Error report</title><style>


后台提示错误:
2013-08-17 19:01:03,116 DEBUG org.springframework.web.servlet.DispatcherServlet -Last-Modified value for [/onlineLibrary/rest/system/editTimeout/list] is: -1
2013-08-17 19:01:07,606 DEBUG org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver -Resolving exception from handler [public java.util.List<com.online.ol.filter.EditTimeout> com.online.ol.filter.EditTimeoutContoller.list()]: org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation
2013-08-17 19:01:07,680 DEBUG org.springframework.web.servlet.mvc.annotation.ResponseStatusExceptionResolver -Resolving exception from handler [public java.util.List<com.online.ol.filter.EditTimeout> com.online.ol.filter.EditTimeoutContoller.list()]: org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation
2013-08-17 19:01:07,681 DEBUG org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver -Resolving exception from handler [public java.util.List<com.online.ol.filter.EditTimeout> com.online.ol.filter.EditTimeoutContoller.list()]: org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation




引起的原因:
   由于设置了@ResponseBody,要把对象转换成json格式,缺少转换依赖的jar包,故此错。
解决办法:
   加入依赖的jar,jackson-core-asl-1.9.12.jar,jackson-mapper-asl-1.9.12.jar问题解决。

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