[J2EE框架][Debug]

  1. 注意xml头部问题
    比如在xx-servlet中注意:

        <mvc:annotation-driven/>
        <context:component-scan base-package="cn.itcast.ssm.controller"></context:component-scan>
    

    要用

    <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"
           xmlns:context="http://www.springframework.org/schema/context"
           xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
           xsi:schemaLocation="http://www.springframework.org/schema/beans
            http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
            http://www.springframework.org/schema/mvc
            http://www.springframework.org/schema/mvc/spring-mvc-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 ">
    
  2. 注意是否拦截了url

  3. 扫描时抛异常

    http://stackoverflow.com/questions/29755736/java-lang-illegalargumentexception-while-added-contextcomponent-scan

原因:java8和spring3的结合会有很多诡异的BUG,切记

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