[英]Spring MVC ModelAndView not working 404
I am getting 404 while trying to get URL" http://localhost/demo_spring/letsgo/find " where it resolutes to search.jsp page (as in snippet below) 我在尝试获取URL时遇到404错误“ http:// localhost / demo_spring / letsgo / find ”,该URL 绝对是search.jsp页面的内容(如下面的代码段所示)
Error Message: HTTP Status 404 - /demo_spring/letsgo/WEB-INF/views/search.jsp 错误消息: HTTP状态404-/demo_spring/letsgo/WEB-INF/views/search.jsp
I have checked and its working for " http://localhost/demo_spring/letsgo/go " which produces JSON and also for 我已经检查了它的“ http:// localhost / demo_spring / letsgo / go ”,它可以生成JSON,也可以
root url " http://localhost/demo_spring/letsgo " which returns index.jsp 根网址“ http:// localhost / demo_spring / letsgo ”,它返回index.jsp
Directory structure: 目录结构:
WEB-INF/VIEWS WEB-INF /人次
-index.jsp -index.jsp
-search.jsp -search.jsp
@Controller
@RequestMapping("/letsgo")
public class IntroController
{
@RequestMapping(method = RequestMethod.GET)
public ModelAndView welcome() {
ModelAndView v1 = new ModelAndView("index");
v1.addObject("attributeName", "attributeValue");
return v1;
}
@RequestMapping(value="find",method = RequestMethod.GET)
@ResponseBody
public ModelAndView findloc() {
ModelAndView op = new ModelAndView("search");
op.addObject("attributeName", "attributeValue");
return op;
}
@RequestMapping(value="go",method = RequestMethod.GET, produces="application/json")
@ResponseBody
public String welcome3() {
try
{
return new ObjectMapper().writeValueAsString("Check for json");
}
catch (JsonProcessingException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
return null;
}
}
Dispatcher mapping 调度程序映射
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
Sprin-mvc.xml configuration file Sprin-mvc.xml配置文件
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd">
<mvc:annotation-driven/>
<mvc:default-servlet-handler/>
<!-- View Handler -->
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="maxUploadSize" value="5000000"/>
</bean>
<bean class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver">
<property name="favorPathExtension" value="true"/>
<property name="mediaTypes">
<map>
<entry key="xml" value="text/xml"/>
<entry key="json" value="application/json"/>
<entry key="html" value="text/html"/>
<entry key="less" value="text/html"/>
</map>
</property>
<property name="viewResolvers">
<list>
<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="WEB-INF/views/"/>
<property name="suffix" value=".jsp"/>
</bean>
</list>
</property>
</bean>
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters">
<list>
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"/>
<bean class="org.springframework.http.converter.xml.Jaxb2RootElementHttpMessageConverter"/>
</list>
</property>
</bean>
</beans>
In InternalViewResolver
configuration, the prefix should be 在
InternalViewResolver
配置中,前缀应为
<property name="prefix" value="/WEB-INF/views/"/>
not 不
<property name="prefix" value="WEB-INF/views/"/>
Notice the / before WEB-INF. 注意WEB-INF之前的/。
You should also remove @ResponseBody
from the method findLoc
as mentioned by JavaGhost . 你也应该删除
@ResponseBody
从方法findLoc
由提到JavaGhost 。 @ResponseBody
indicates a method return value should be bound to the web response body @ResponseBody
指示方法返回值应绑定到Web响应正文
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