java.lang.IllegalArgumentException：属性’transactionManager

我的配置文件(ServicesConfiguration.java AppConfig.java)
ServicesConfiguration.java：

package com.bsches.basicServer.config;

import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import javax.sql.DataSource;

import org.hibernate.SessionFactory;
import org.hibernate.dialect.H2Dialect;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.ServiceRegistryBuilder;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.Cache;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.concurrent.ConcurrentMapCache;
import org.springframework.cache.support.SimpleCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
import org.springframework.orm.hibernate4.HibernateTransactionManager;
import org.springframework.orm.hibernate4.LocalSessionFactoryBuilder;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;

import com.bsches.basicServer.services.CustomerService;

import entities.Customer;

@Configuration
@EnableCaching
@EnableWebMvc
@EnableTransactionManagement
public class ServicesConfiguration {

    @Value("${jdbc.driverClassName}")
    private String driverClassName;
    @Value("${jdbc.url}")
    private String url;
    @Value("${jdbc.username}")
    private String username;
    @Value("${jdbc.password}")
    private String password;

    @Value("${hibernate.dialect}")
    private String hibernateDialect;
    @Value("${hibernate.show_sql}")
    private String hibernateShowSql;
    @Value("${hibernate.hbm2ddl.auto}")
    private String hibernateHbm2ddlAuto;

    @Bean
    public CustomerService customerService() throws Exception {
        return new CustomerService(this.sessionFactory());
    }

    @Bean
    public SessionFactory sessionFactory() throws Exception {
        Properties props = new Properties();

        Map

package com.bsches.basicServer.config;

import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.core.io.ClassPathResource;

@Import({ServicesConfiguration.class})
@Configuration
public class AppConfig {
    @Bean
    public static PropertyPlaceholderConfigurer getPropertyPlaceholderConfigurer()
    {
        PropertyPlaceholderConfigurer ppc = new PropertyPlaceholderConfigurer();
        ppc.setLocation(new ClassPathResource("application.properties"));
        ppc.setIgnoreUnresolvablePlaceholders(true);
        return ppc;
    }

}