spring3.1.1集成spring security 3.1.0的maven依赖有关问题

spring3.1.1集成spring security 3.1.0的maven依赖问题
security3.1的pom默认引用spring 3.0.6版本，造成冲突。解决办法是在maven中用exclude：

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    ....
    <properties>
        <springsecurity.version>3.1.0.RELEASE</springsecurity.version>
        <spring.version>3.1.1.RELEASE</spring.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-acl</artifactId>
            <version>${springsecurity.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework</groupId>
                    <artifactId>spring-core</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>org.springframework</groupId>
                    <artifactId>spring-aop</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>org.springframework</groupId>
                    <artifactId>spring-asm</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>org.springframework</groupId>
                    <artifactId>spring-context</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>org.springframework</groupId>
                    <artifactId>spring-jdbc</artifactId>
                </exclusion>
                <exclusion>
                    <groupId>org.springframework</groupId>
                    <artifactId>spring-tx</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-tx</artifactId>
          <version>${spring.version}</version>
       </dependency>
       <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-aop</artifactId>
          <version>${spring.version}</version>
       </dependency>
    
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-aspects</artifactId>
            <version>${springsecurity.version}</version>
        </dependency>
    
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-core</artifactId>
            <version>${springsecurity.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework</groupId>
                    <artifactId>spring-expression</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-config</artifactId>
            <version>${springsecurity.version}</version>
        </dependency>
        
    <dependency>
      <groupId>org.springframework.security</groupId>
    	<artifactId>spring-security-taglibs</artifactId>
      <version>${springsecurity.version}</version>
      <exclusions>
        <exclusion>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
        </exclusion>
        <exclusion>
            <groupId>org.springframework</groupId>
            <artifactId>spring-expression</artifactId>
        </exclusion>
      </exclusions>
    </dependency>
    
     <dependency>
      <groupId>org.springframework.security</groupId>
    	<artifactId>spring-security-web</artifactId>
      <version>${springsecurity.version}</version>
      <exclusions>
        <exclusion>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
        </exclusion>
        <exclusion>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
        </exclusion>
        <exclusion>
            <groupId>org.springframework</groupId>
            <artifactId>spring-expression</artifactId>
        </exclusion>
      </exclusions>
    </dependency>
        
        
    </dependencies>
</project>