spring 的配置信息：报错

下面是spring的applicationcontext.xml配置文件信息，哪位大神能告诉是干嘛的，说的具体点，感谢

<?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:p="http://www.springframework.org/schema/p"
        xmlns:tx="http://www.springframework.org/schema/tx"
        xmlns:aop="http://www.springframework.org/schema/aop"
        xsi:schemaLocation="http://www.springframework.org/schema/beans 
                http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
                http://www.springframework.org/schema/context 
                http://www.springframework.org/schema/context/spring-context-4.0.xsd
                http://www.springframework.org/schema/tx 
                http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
                http://www.springframework.org/schema/aop
                http://www.springframework.org/schema/aop/spring-aop-4.0.xsd" 

                default-autowire="byName">