springmvc No mapping found for HTTP request with URI in Dispatc

springmvc No mapping found for HTTP request with URI in Dispatc

博客分类：  Java Web

springmvc spring MVC No mapping found url-pattern

项目是使用spring MVC

（1）在浏览器中访问，后台总报错：

 No mapping found for HTTP request with URI [/exam3/welcome] in DispatcherServlet with name 'spring2'

 查了好半天，才发现是controller 没有扫描到。

我是使用的注解。

spring mvc配置文件如下：

 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:context="http://www.springframework.org/schema/context"
     xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
     xmlns:mvc="http://www.springframework.org/schema/mvc"
     xsi:schemaLocation="http://www.springframework.org/schema/beans
            http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
             http://www.springframework.org/schema/context
            http://www.springframework.org/schema/context/spring-context-3.2.xsd
            http://www.springframework.org/schema/aop
            http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
            http://www.springframework.org/schema/tx
            http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
            http://www.springframework.org/schema/mvc
            http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd"
            >


     <bean
         class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping" />


     <bean
         class="org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter" />

     <bean
         class="org.springframework.web.servlet.view.InternalResourceViewResolver">
         <property name="viewClass"
             value="org.springframework.web.servlet.view.JstlView" />
         <property name="prefix" value="/WEB-INF/jsp/" />
         <property name="suffix" value=".jsp" />
     bean>
 <mvc:annotation-driven />


 <context:component-scan base-package="com"/>
 beans>

 controller 的目录结构如下：

 

 

（2）这个问题解决之后，又报错：

No mapping found for HTTP request with URI [/exam3/WEB-INF/jsp/welcome.jsp] in DispatcherServlet with name 'spring2'

结果发现是web.xml配置得有问题，下面是有问题的：

 <servlet>
         <servlet-name>spring2servlet-name>
         <servlet-class>org.springframework.web.servlet.DispatcherServletservlet-class>
         <load-on-startup>1load-on-startup>
     servlet>
     <servlet-mapping>
         <servlet-name>spring2servlet-name>
         <url-pattern>/*url-pattern>
     servlet-mapping>

 解决方法：把url-pattern 由/* 改为/

• 查看图片附件

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• 2013-09-26 14:00
• 浏览 92247
• 评论(7)
• 分类:编程语言
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评论

7 楼  spring_springmvc 2015-07-25  

spring mvc demo教程源代码下载，地址：
http://www.zuidaima.com/share/kspringmvc-p1-s1.htm

6 楼  lt26i 2015-05-29  

解决问题了,谢谢!

5 楼  hw1287789687 2015-03-26  

yigeyanse 写道

ri,第一个怎么改的？

 package="com"/>

改包名啊,因为配置文件中扫描的是 com包名下面的,但是我的控制器包名是 web.controller,所以扫描不到啊

4 楼  yigeyanse 2015-03-25  

ri,第一个怎么改的？

3 楼  u013585587 2014-09-06  

2楼的你现在应该知道为什么是/而不是/*了吧。。

2 楼  qingfeng812 2014-04-01  

解决方法：把url-pattern 由/* 改为/


你就不能访问动态资源了，呵呵！要知道为什么改，改什么？

1 楼  abccyz 2013-12-19  

哥们没办法截图就直接上代码了：
- Finished creating instance of bean 'org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping'
>>> 2013-12-19 19:41:52,053 DEBUG [main] (DispatcherServlet.java:549) - No HandlerMappings found in servlet 'Lab_Matrix': using default
>>> 2013-12-19 19:41:52,055 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:430) - Creating instance of bean 'org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter'
>>> 2013-12-19 19:41:52,055 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:458) - Finished creating instance of bean 'org.springframework.web.servlet.mvc.HttpRequestHandlerAdapter'
>>> 2013-12-19 19:41:52,057 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:430) - Creating instance of bean 'org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter'
>>> 2013-12-19 19:41:52,057 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:458) - Finished creating instance of bean 'org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter'
>>> 2013-12-19 19:41:52,062 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:430) - Creating instance of bean 'org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter'
>>> 2013-12-19 19:41:52,611 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:458) - Finished creating instance of bean 'org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter'
>>> 2013-12-19 19:41:52,611 DEBUG [main] (DispatcherServlet.java:587) - No HandlerAdapters found in servlet 'Lab_Matrix': using default
>>> 2013-12-19 19:41:52,616 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:430) - Creating instance of bean 'org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerExceptionResolver'
>>> 2013-12-19 19:41:52,635 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:458) - Finished creating instance of bean 'org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerExceptionResolver'
>>> 2013-12-19 19:41:52,644 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:430) - Creating instance of bean 'org.springframework.web.servlet.mvc.annotation.ResponseStatusExceptionResolver'
>>> 2013-12-19 19:41:52,645 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:458) - Finished creating instance of bean 'org.springframework.web.servlet.mvc.annotation.ResponseStatusExceptionResolver'
>>> 2013-12-19 19:41:52,647 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:430) - Creating instance of bean 'org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver'
>>> 2013-12-19 19:41:52,649 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:458) - Finished creating instance of bean 'org.springframework.web.servlet.mvc.support.DefaultHandlerExceptionResolver'
>>> 2013-12-19 19:41:52,649 DEBUG [main] (DispatcherServlet.java:626) - No HandlerExceptionResolvers found in servlet 'Lab_Matrix': using default
>>> 2013-12-19 19:41:52,651 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:430) - Creating instance of bean 'org.springframework.web.servlet.view.DefaultRequestToViewNameTranslator'
>>> 2013-12-19 19:41:52,652 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:458) - Finished creating instance of bean 'org.springframework.web.servlet.view.DefaultRequestToViewNameTranslator'
>>> 2013-12-19 19:41:52,652 DEBUG [main] (DispatcherServlet.java:647) - Unable to locate RequestToViewNameTranslator with name 'viewNameTranslator': using default [org.springframework.web.servlet.view.DefaultRequestToViewNameTranslator@159ed86]
>>> 2013-12-19 19:41:52,659 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:430) - Creating instance of bean 'org.springframework.web.servlet.view.InternalResourceViewResolver'
>>> 2013-12-19 19:41:52,673 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:458) - Finished creating instance of bean 'org.springframework.web.servlet.view.InternalResourceViewResolver'
>>> 2013-12-19 19:41:52,673 DEBUG [main] (DispatcherServlet.java:687) - No ViewResolvers found in servlet 'Lab_Matrix': using default
>>> 2013-12-19 19:41:52,677 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:430) - Creating instance of bean 'org.springframework.web.servlet.support.SessionFlashMapManager'
>>> 2013-12-19 19:41:52,678 DEBUG [main] (AbstractAutowireCapableBeanFactory.java:458) - Finished creating instance of bean 'org.springframework.web.servlet.support.SessionFlashMapManager'
>>> 2013-12-19 19:41:52,690 DEBUG [main] (DispatcherServlet.java:709) - Unable to locate FlashMapManager with name 'flashMapManager': using default [org.springframework.web.servlet.support.SessionFlashMapManager@69d6be]
>>> 2013-12-19 19:41:52,690 DEBUG [main] (FrameworkServlet.java:523) - Published WebApplicationContext of servlet 'Lab_Matrix' as ServletContext attribute with name [org.springframework.web.servlet.FrameworkServlet.CONTEXT.Lab_Matrix]
>>> 2013-12-19 19:41:52,690  INFO [main] (FrameworkServlet.java:463) - FrameworkServlet 'Lab_Matrix': initialization completed in 5648 ms
>>> 2013-12-19 19:41:52,691 DEBUG [main] (HttpServletBean.java:136) - Servlet 'Lab_Matrix' configured successfully


能分析这个是啥原因吗   现在是发请求不到控制层

控制台打印这个：
(DispatcherServlet.java:819) - DispatcherServlet with name 'Lab_Matrix' processing GET request for [/Lab_Matrix/index.do]
WARN [http-8080-1] (DispatcherServlet.java:1080) - No mapping found for HTTP request with URI [/Lab_Matrix/index.do] in DispatcherServlet with name 'Lab_Matrix'
DEBUG [http-8080-1] (FrameworkServlet.java:913) - Successfully completed request


帮忙分析下这是什么原因