Question

我无法理解为什么如果在新事务中抛出RuntimeException，就不会发生回滚。

我的MDB：

@TransactionAttribute(TransactionAttributeType.REQUIRED)
    @MessageDriven(activationConfig = {
    @ActivationConfigProperty(propertyName = "destination", propertyValue =   "java:/jms/queue/adwordsReportRequest"),
    @ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Queue"),
    @ActivationConfigProperty(propertyName = "messageSelector", propertyValue = "veiculo = 'teste'"),
    @ActivationConfigProperty(propertyName = "transactionTimeout",    propertyValue = "10"),})
public class TesteMDB implements MessageListener {

@Resource
private MessageDrivenContext mdc;

@Inject
private ReportExtractor reportExtractor;

@Inject
private Logger logger;

public TesteMDB() {
    // TODO Auto-generated constructor stub
}

public void onMessage(Message inMessage) {

    try {
        runReport();

    } catch (Exception e) {
        logger.error("Pega erro: {}", e.getMessage());
        e.printStackTrace();
    }

}

@TransactionAttribute(TransactionAttributeType.NOT_SUPPORTED)
private void runReport() throws Exception {
    reportExtractor.RunTest();
}
}

其他课程：

@RequestScoped
public class ReportExtractor {

@Inject
JMSMessageManager jmsMessagerManager;

@Inject
private Logger logger;

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
public void RunTest() throws Exception {

    //insert in Queue
    jmsMessagerManager.sendMessage("test");

    throw new RuntimeException("test - runtime");
}
}

当我在第二个中使用@Stateful时，它可以工作。

如果它不是SessionBean，则不是

@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)

创建新交易？或者只有基于RuntimeException的自动回滚不起作用？

谢谢，

Answer 1

@TransactionAttribute注释只能用于会话bean和消息驱动的bean。由于ReportExtractor既不是EJB也不是MDB，因此注释将被忽略，并且容器不会提供任何事务。

如果您更喜欢基于EJB的CDI托管bean，请查看自Java EE 7以来可用的@Transactional注释：http://docs.oracle.com/javaee/7/api/javax/transaction/Transactional.html

另请注意，拨打runReport的电话不会尊重@TransactionAttribute，因为本地方法电话不会被集装箱拦截。这在此解释：EJB Transactions in local method-calls

RuntimeException没有回滚

1 个答案: