required a bean of type 'org.springframework.jdbc.core.JdbcTemplate

1. Define the DataSource bean in the Spring configuration file:

<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    <property name="driverClassName" value="com.mysql.cj.jdbc.Driver" />
    <property name="url" value="jdbc:mysql://localhost:3306/mydatabase" />
    <property name="username" value="yourUsername" />
    <property name="password" value="yourPassword" />
</bean>

1. Define the JdbcTemplate bean, injecting the DataSource:

<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
    <property name="dataSource" ref="dataSource" />
</bean>