Spring jta 事务管理器
使用 Spring：
jta-transaction-manager 可以使用 id 作为名称，以便我可以将它作为 REF 传递到我的服务层，如下所示？
tx:jta-transaction-manager 只能用于 je22 容器吗？我的意思是对于 Tomcat，我需要手动执行此操作，如下所示：
<属性名称=“事务管理器” ref="name_transactionmanager"/> <属性名称=“目标”> <豆类 类=“com.company.project.company.services.ServiceImpl” init-method =“初始化”> <财产 名称=“HRappsdao” ref="HRappsdao"/>> <财产 名称=“projectdao” ref =“projectdao”/> <属性名称=“transactionAttributes”> <道具> PROPAGATION_REQUIRED ;PROPAGATION_REQUIRED ;PROPAGATION_REQUIRED ;PROPAGATION_REQUIRED ;PROPAGATION_SUPPORTS,readOnly ;
对于问题 2
<bean id="transactionManager"
class="org.springframework.transaction.jta.JtaTransactionManager">
<property name="userTransaction">
<bean class="org.springframework.transaction.jta.JotmFactoryBean"/>
</property>
</bean>
Using Spring:
can jta-transaction-manager use id as name so that I can pass it as REF to my service layer like below?
is tx:jta-transaction-manager can only be used for je22 container? I mean for Tomcat, I need to do it manually, like below:
<tx:jta-transaction-manager id="name_transactionmanager"/> <bean id="projectService" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean"> <property name="transactionManager" ref="name_transactionmanager"/> <property name="target"> <bean class="com.company.project.company.services.ServiceImpl" init-method="init"> <property name="HRappsdao" ref="HRappsdao"/> <property name="projectdao" ref="projectdao"/> </bean> </property> <property name="transactionAttributes"> <props> <prop key="store*">PROPAGATION_REQUIRED</prop> <prop key="update*">PROPAGATION_REQUIRED</prop> <prop key="remove*">PROPAGATION_REQUIRED</prop> <prop key="bulkUpdate*">PROPAGATION_REQUIRED</prop> <prop key="*">PROPAGATION_SUPPORTS,readOnly</prop> </props> </property> </bean>
For question 2
<bean id="transactionManager"
class="org.springframework.transaction.jta.JtaTransactionManager">
<property name="userTransaction">
<bean class="org.springframework.transaction.jta.JotmFactoryBean"/>
</property>
</bean>
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评论（1）
transactionManager”。引用Spring文档中的第9章事务管理 :
因此，正如第三段中所解释的，如果您想要使用多个事务资源，您将需要涉及支持 JTA 的应用程序服务器的全局事务。支持 JTA 的应用服务器意味着真正的 J2EE 容器或非 J2EE 容器（如 Tomcat），具有独立的事务管理器（如 Atomikos，JOTM，Bitronix，SimpleJTA，JBossTS 或 GeronimoTM/Jencks。
FWIW，我看到很多关于 JOTM 的抱怨，我认为 GeronimoTM/Jencks 缺乏文档，我真的不能说任何关于
JBossTSArjunaTS （除了它是一个坚如磐石的产品），SimpleJTA Bitronix 和 Bitronix 都有很好的文档，Atomikos 也是一个令人印象深刻的产品，文档也很丰富。就我个人而言，我会选择 Bitronix 或 Atomikos。PS：老实说，如果这对您来说听起来像中文，您也许应该考虑使用单个数据库（如果这是一个选项，那就去做吧！）或者考虑使用真正的 J2EE 容器，如 JBoss 或 GlassFish正如我在之前的回答中所写。无意冒犯，但是所有这些 JTA 的东西都不是微不足道的，如果您不真正理解为什么需要它，那么走 JOTM 路径也不是那么简单。
The
<tx:jta-transaction-manager>exposes the transaction manager as a Bean in the Spring context with the name "transactionManager".Quoting the Chapter 9. Transaction management from the Spring documentation:
So, as explained in the third paragraph, if you want to work with multiple transactional resources, you'll need global transactions which involve a JTA capable application server. And JTA capable application server means a real J2EE container or a non J2EE container (like Tomcat) with a standalone transaction manager like Atomikos, JOTM, Bitronix, SimpleJTA, JBossTS or GeronimoTM/Jencks.
FWIW, I've seen lots of complains about JOTM, I think that GeronimoTM/Jencks lacks of documentation, I can't really say anything about
JBossTSArjunaTS (except that it's a rock solid product), SimpleJTA and Bitronix have both good documentation and Atomikos is an impressive product greatly documented too. Personally, I'd choose Bitronix or Atomikos.PS: Honestly, if this sounds like Chinese to you, you should maybe consider using a single database (if this is an option, go for it!) or consider using a real J2EE container like JBoss or GlassFish as I wrote in a previous answer. No offense but all this JTA stuff is not trivial and taking the JOTM path is not that simple if you don't really understand why you need it.