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我正在创建一个小的 CRUD webapp 来显示课程，但是当我尝试运行它时，它给了我这个带有嵌套异常的异常，

org.springframework.transaction.CannotCreateTransactionException：无法为事务打开 JDBC 连接；嵌套异常是 java.sql.SQLException: java.lang.ClassCastException: java.math.BigInteger cannot be cast to java.lang.Long org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:240) org.springframework .transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:371) org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:335) org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:105 ) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) org.

这是我对数据库的配置：

<beans:bean id="dataSource"
        class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <beans:property name="driverClassName" value="com.mysql.jdbc.Driver" />
        <beans:property name="url" value="jdbc:mysql://localhost:3306/courses" />
        <beans:property name="username" value="root" />
        <beans:property name="password" value="gr3288235517" />
    </beans:bean>
        <tx:annotation-driven transaction-manager="transactionManager" />
    <beans:bean id="transactionManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <beans:property name="dataSource" ref="dataSource" />
    </beans:bean>
    <beans:bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <beans:property name="dataSource" ref="dataSource" />
        <beans:property name="typeAliasesPackage" value="com.cyberx.signup.controller.model" />
        <beans:property name="mapperLocations"
            value="classpath*:com/cyberx/signup/mapper/*.xml" />
    </beans:bean>
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