spring+mybatis+atomikos 实现JTA事务

<!-- 第一个数据库 -->

    <bean id="dataSource" class="com.atomikos.jdbc.SimpleDataSourceBean"

        init-method="init" destroy-method="close">

        <property name="uniqueResourceName" value="mysql/main" />

        <property name="xaDataSourceClassName"

            value="com.mysql.jdbc.jdbc2.optional.MysqlXADataSource" />

        <property name="xaDataSourceProperties"

            value="URL=${jdbc.url.a};user=${jdbc.username.a};password=${jdbc.password.a}" />

        <property name="exclusiveConnectionMode" value="true" />

        <property name="connectionPoolSize" value="10" />

        <property name="validatingQuery">

            <value>SELECT 1</value>

        </property>

    </bean>

    <!-- 第二个数据库 -->

    <bean id="dataSourceB" class="com.atomikos.jdbc.SimpleDataSourceBean"

        init-method="init" destroy-method="close">

        <property name="uniqueResourceName" value="mysql/news" />

        <property name="xaDataSourceClassName"

            value="com.mysql.jdbc.jdbc2.optional.MysqlXADataSource" />

        <property name="xaDataSourceProperties"

            value="URL=${jdbc.url.b};user=${jdbc.username.b};password=${jdbc.password.b}" />

        <property name="exclusiveConnectionMode" value="true" />

        <property name="connectionPoolSize" value="10" />

        <property name="validatingQuery">

            <value>SELECT 1</value>

        </property>

    </bean>