spring 的配置信息 配置报错 

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">