spring+hibernate+jotm分布式事务配置总结

在前段开发的系统中，使用到了两个不同网域的oracle数据库，需要处理之间的事务，于是选择了spring+hibernate+jotm组合，现粘贴我的配置，看看大家有什么更优的配置或写法，谢谢。

一、环境及框架
       Tomcat+spring+hibernate+jotm，还有就是struts、Oracle等
二、需求说明
      系统里有2套不同网域的oracle数据库，之间的数据需要进行交互。
三、Dao配置
       1、定义jtom Bean  

xml 代码

<bean id="jotm" class="org.springframework.transaction.jta.JotmFactoryBean" />

       2、定义数据源

xml 代码

<bean id="dataSourceA" class="org.enhydra.jdbc.pool.StandardXAPoolDataSource" destroy-method="shutdown">
    <property name="dataSource">
        <bean class="org.enhydra.jdbc.standard.StandardXADataSource" destroy-method="shutdown">
            <property name="transactionManager">
                <ref local="jotm" />
            </property>
            <property name="driverName">
                <value>oracle.jdbc.driver.OracleDriver</value>
            </property>
            <property name="url">
                <value>jdbc:oracle:thin:@192.168.0.10:1521:A</value>
            </property>
        </bean>
    </property>
    <property name="user">
        <value></value>
    </property>
    <property name="password">
        <value> </value>
    </property>
</bean>


<bean id="dataSourceB" class="org.enhydra.jdbc.pool.StandardXAPoolDataSource" destroy-method="shutdown">
    <property name="dataSource">
        <bean class="org.enhydra.jdbc.standard.StandardXADataSource" destroy-method="shutdown">
            <property name="transactionManager">
                <ref local="jotm" />
            </property>
            <property name="driverName">
                <value>oracle.jdbc.driver.OracleDriver</value>
            </property>
            <property name="url">
                <value>jdbc:oracle:thin:@192.168.0.10:1521:B</value>
            </property>
        </bean>
    </property>
    <property name="user">
        <value> </value>
    </property>
    <property name="password">
        <value> </value>
    </property>
</bean>

       3、定义sessionFactory

xml 代码

<bean id="sessionFactoryA" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
    <property name="dataSource">
        <ref local="dataSourceA" />
    </property>
    <property name="mappingDirectoryLocations">
        <list>
            <value>classpath:/org/testa/hibernate/model/</value>
        </list>
    </property>
    <property name="hibernateProperties">
        <props>
            <prop key="hibernate.dialect">org.hibernate.dialect.Oracle9Dialect</prop>
            <prop key="hibernate.show_sql">true</prop>
            <prop key="hibernate.jdbc.batch_size">50</prop>
            <prop key="hibernate.cache.use_query_cache">true</prop>
            <prop key="hibernate.cache.provider_class">org.hibernate.cache.EhCacheProvider</prop>
        </props>
    </property>
    <property name="jtaTransactionManager">
        <ref bean="jotm" />
    </property>
    <property name="lobHandler" ref="lobHandler"/>
</bean>

<bean id="sessionFactoryB" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
    <property name="dataSource">
        <ref local="dataSourceB" />
    </property>
    <property name="mappingDirectoryLocations">
        <list>
            <value>classpath:/org/testb/hibernate/model/</value>
        </list>
    </property>
    <property name="hibernateProperties">
        <props>
            <prop key="hibernate.dialect">org.hibernate.dialect.Oracle9Dialect</prop>
            <prop key="hibernate.show_sql">true</prop>
            <prop key="hibernate.jdbc.batch_size">50</prop>
            <prop key="hibernate.cache.use_query_cache">true</prop>
            <prop key="hibernate.cache.provider_class">org.hibernate.cache.EhCacheProvider</prop>
        </props>
    </property>
    <property name="jtaTransactionManager">
        <ref bean="jotm" />
    </property>
    <property name="lobHandler" ref="lobHandler"/>
</bean>

       4、事务管理配置

xml 代码

<bean id="myTransactionManager"
    class="org.springframework.transaction.jta.JtaTransactionManager">
    <property name="userTransaction">
        <ref local="jotm" />
    </property>
</bean>

       5、dao的配置

xml 代码

<bean id="testADaoTarget" class="org.testa.hibernate.dao.impl.TestADAO">
<property name="sessionFactory">
  <ref bean=" sessionFactoryA "/>
</property>
</bean>

<bean id="testADao" class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="proxyInterfaces">
  <value>org.testA.hibernate.dao.ITestADAO</value>
</property>
<property name="interceptorNames">
  <list>
    <value> testADaoTarget </value>
  </list>
</property>
</bean>

<bean id="testBDaoTarget" class="org.testa.hibernate.dao.impl.TestBDAO">
<property name="sessionFactory">
  <ref bean=" sessionFactoryB "/>
</property>
</bean>

<bean id="testBDao" class="org.springframework.aop.framework.ProxyFactoryBean">
<property name="proxyInterfaces">
  <value>org.testA.hibernate.dao.ITestBDAO</value>
</property>
<property name="interceptorNames">
  <list>
    <value> testBDaoTarget </value>
  </list>
</property>
</bean>

四、注意事项
       1、spring已经整合了jotm，如果你使用spring自带的jotm，可能会提示某些类找不到，下载一个最新的jotm包，把lib目录里的所有jar包拷贝到lib目录。

      2、如果系统中使用jndi，则原有的jndi服务可能会无效，提示NameNotFoundException异常，此时在src目录下添加一个carol.properties的属性文件，添加如下内容：

xml 代码

# do not use CAROL JNDI wrapper
carol.start.jndi=false

# do not start a name server
carol.start.ns=false

# Naming Factory
carol.jndi.java.naming.factory.url.pkgs=org.apache.naming