Java OpenJPA-事务管理不可用。。。(保险丝ESB)
Fuse ESB中JPA的Java OpenJPA-事务管理不可用。。。(保险丝ESB),java,jpa,openjpa,jta,fuseesb,Java,Jpa,Openjpa,Jta,Fuseesb,Fuse ESB中JPA的RESOURCE\u LOCAL事务类型有问题 我也不完全了解JTA或RESOURCE\u LOCAL是否更适合我 My persistence.xml: <persistence-unit name="invoicePersistence" transaction-type="RESOURCE_LOCAL"> <provider>org.apache.openjpa.persistence.PersistenceProviderImp
RESOURCE\u LOCAL
事务类型有问题
我也不完全了解JTA
或RESOURCE\u LOCAL
是否更适合我
My persistence.xml:
<persistence-unit name="invoicePersistence" transaction-type="RESOURCE_LOCAL">
<provider>org.apache.openjpa.persistence.PersistenceProviderImpl</provider>
<jta-data-source>osgi:service/javax.sql.DataSource/(osgi.jndi.service.name=jdbc/invDataSource)</jta-data-source>
<non-jta-data-source>osgi:service/javax.sql.DataSource/(osgi.jndi.service.name=jdbc/invDataSource)</non-jta-data-source>
<class>com.company.service.Invoice</class>
<!-- etc... -->
</persistence-unit>
例外情况是,在my persistence.xml中使用事务类型RESOURCE\u LOCAL
:
java.lang.IllegalStateException: Transaction management is not available for container managed EntityManagers.
我还尝试在persistence.xml中使用事务类型JTA
,但随后收到OptimisticLockException
我不确定哪种方法更好(RESOURCE_LOCAL或JTA),但最主要的是,在我的代码对象中,a
和b
需要在事务中持久化(全部或全无)
我运行的是fuseesb(camel、cxf等)
谢谢你的提示和帮助。好的,这是答案 首先,两个不错的链接和 本地资源
transaction type=“RESOURCE\u LOCAL”
确实是自我管理的持久性,代码应该如下:
EntityManager entityManager = entityManagerFactory.createEntityManager();
...
entityManager.getTransaction().begin();
entityManager.persist(a);
entityManager.persist(b);
entityManager.getTransaction().commit();
使用entityManager.getTransaction()
和entityManager.flush()
都会导致异常,因为我指定了
正确的方法是使用
和EntityManagerFactory
<bean id="invoiceDao" class="com.company.project.InvoiceDao">
<jpa:unit unitname="invoicePersistence" property="entityManagerFactory"/>
</bean>
它应该在blueprint中配置
和实体管理器
EntityManager entityManager = entityManagerFactory.createEntityManager();
...
entityManager.getTransaction().begin();
entityManager.persist(a);
entityManager.persist(b);
entityManager.getTransaction().commit();
<bean id="invoiceDao" class="com.company.project.InvoiceDao">
<jpa:unit unitname="invoicePersistence" property="entityManagerFactory"/>
</bean>
entityManager.persist(a);
entityManager.persist(b);