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关于springmvc的一个小demo,是否有同学遇到过,各位帮忙看看这个如何解决 ?报错

tomcat7+myeclipse10

tomcat启动时就报错

严重: Context initialization failed
java.lang.IllegalArgumentException
at org.springframework.asm.ClassReader.<init>(Unknown Source)
at org.springframework.asm.ClassReader.<init>(Unknown Source)
at org.springframework.asm.ClassReader.<init>(Unknown Source)
at org.springframework.core.type.classreading.SimpleMetadataReader.<init>(SimpleMetadataReader.java:52)
at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:80)
at org.springframework.core.type.classreading.CachingMetadataReaderFactory.getMetadataReader(CachingMetadataReaderFactory.java:102)
at org.springframework.core.type.classreading.SimpleMetadataReaderFactory.getMetadataReader(SimpleMetadataReaderFactory.java:76)
at org.springframework.context.annotation.ConfigurationClassParser.getImports(ConfigurationClassParser.java:298)
at org.springframework.context.annotation.ConfigurationClassParser.getImports(ConfigurationClassParser.java:300)
at org.springframework.context.annotation.ConfigurationClassParser.getImports(ConfigurationClassParser.java:300)
at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:230)
at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:153)
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:130)
at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:285)
at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:223)
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:630)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:461)
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:652)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:600)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:666)
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:519)
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:460)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1282)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1195)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1085)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5318)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5610)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1259)
at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1998)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)


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:p="http://www.springframework.org/schema/p"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="
        http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc.xsd">
   <!-- spring中默认是BeanNameUrlHandlerMapping -->
   <!-- <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"></bean> -->
   <!-- 通过bean的name完成url映射 -->
   <!-- <bean name="/welcome.html" class="cn.web.controller.WelcomeController"></bean> -->
   
   
   <!-- 通过注解实现 -->
   <!-- 让spring扫描该包下的所有类,并且使使用了注解的类生效 -->
   <context:component-scan base-package="cn.web.controller"></context:component-scan>
   <mvc:annotation-driven></mvc:annotation-driven>
   
   <!-- 配置视图解析器 -->
   <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
     <property name="prefix" value="WEB-INF/jsp/"></property>
     <property name="suffix" value=".jsp"></property>
   </bean>
</beans>

web.xml中的主要配置
 <servlet>
    <servlet-name>welcome</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:welcome-servlet.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  
  <servlet-mapping>
    <servlet-name>welcome</servlet-name>
    <url-pattern>/</url-pattern>
  </servlet-mapping>

主要类
package cn.web.controller;  

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

/**  
 * ClassName:HelloController <br/>  
 * Function: TODO ADD FUNCTION. <br/>  
 * Reason:   TODO ADD REASON. <br/>  
 * Date:     2016-4-11 下午1:17:39 <br/>  
 * @author   Administrator  
 * @version    
 * @since    JDK 1.6  
 * @see        
 */
@Controller
public class HelloController {

   @RequestMapping(value="/hello")
   public String hello(){
System.out.println("hello");
   return "hello";
   }
}
jar包一览

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爱吃鱼的程序员 2020-06-09 16:01:38 383 0
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  • https://developer.aliyun.com/profile/5yerqm5bn5yqg?spm=a2c6h.12873639.0.0.6eae304abcjaIB

    你仔细观察观察

    没错吧这个,config是resource文件下,跟src同级有这个 welcome-servlet.xml文件不?
    有的

    好久没看java了,

    welcome-servlet.xml放置的路径不对,好像应该放在web-inf下面

    你看看它编译出来是否在WEB-INF\classes目录下

    加一个

    <mvc:default-servlet-handler/>



    试试可以吗

    osc居然有叫controller的,我要改一个RequestMapping的名字JDK和Spring的版本是多少?回复 @java种子选手:http://blog.csdn.net/sgls652709/article/details/49878741估计是版本问题,再检查下jdk1.6和1.8都试过,spring4.2 classpath*:config/ welcome-servlet.xml一般都是要配置两个配置文件的,你只配置了一个回复 @java种子选手:spring自己要一个,springmvc要一个,里面管理的bean作用域不一样的为何要两个?
    2020-06-09 16:01:56
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