Could not find acceptable representation异常

异常：
重: Failed to invoke @ExceptionHandler method: public 
org.springframework.http.ResponseEntity<?> 
com.cimiworld.appserver.controller.global.GlobalExceptionController.handleAllException(javax.servlet.http.HttpServletRequest,java.lang.Exception)
org.springframework.web.HttpMediaTypeNotAcceptableException: Could not find acceptable representation
  
  at 
org.springframework.web.servlet.mvc.method.annotation.AbstractMessageConverterMethodProcessor.writeWithMessageConverters(AbstractMessageConverterMethodProcessor.java:171)
  
  at 
org.springframework.web.servlet.mvc.method.annotation.HttpEntityMethodProcessor.handleReturnValue(HttpEntityMethodProcessor.java:186)
  
  at 
org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:80)
  
  at 
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:126)
  
  at 
org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver.doResolveHandlerMethodException(ExceptionHandlerExceptionResolver.java:363)
  
  at 
org.springframework.web.servlet.handler.AbstractHandlerMethodExceptionResolver.doResolveException(AbstractHandlerMethodExceptionResolver.java:60)
  
  at 
org.springframework.web.servlet.handler.AbstractHandlerExceptionResolver.resolveException(AbstractHandlerExceptionResolver.java:136)
    at org.springframework.web.servlet.DispatcherServlet.processHandlerException(DispatcherServlet.java:1183)
    at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1020)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:971)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

@RequestMapping(value="download/{fileName:.+}",method=RequestMethod.GET,produces="application/json")
获取带“.”的路径报错，如：http://xxx/download/xxx.png
解决方案：（支持json异常返回）
    <bean id="contentNegotiationManager" class="org.springframework.web.accept.ContentNegotiationManagerFactoryBean">   
        <property name="favorPathExtension" value="false" />  
        <property name="favorParameter" value="false" />   
        <property name="ignoreAcceptHeader" value="false" />   
        <property name="mediaTypes" >   
            <value>  
                atom=application/atom+xml  
                html=text/html  
                json=application/json  
                *=*/*  
            </value>   
        </property>  
    </bean> 
    <mvc:annotation-driven  content-negotiation-manager="contentNegotiationManager">
        <mvc:message-converters register-defaults="true">
            <bean class="org.springframework.http.converter.StringHttpMessageConverter">
                <constructor-arg value="UTF-8" />
            </bean>
        </mvc:message-converters>
    </mvc:annotation-driven>