【发布时间】:2015-03-19 22:12:02
【问题描述】:
我的基本问题:MessageDriven bean 在某处抛出 Exception,这会导致 JMS Queue 回滚,直到它炸毁并且服务器崩溃。我什至找不到Exceptions 来解决问题,因为服务器日志在几分钟内就增长到几百 MB。
我在寻找什么:
一种首先清除JMS Queue然后停止一劳永逸地回滚的方法。
我就是这样做的:
我发送的对象是一个简单的serializable POJO。
MessageProducer 如下所示:
@Stateless
public class MessageProducer{
@Resource(mappedName = "jms/JMSConnectionFactory")
private ConnectionFactory connectionFactory;
@Resource(mappedName = "jms/MessageReceiver")
Queue messageReceiver;
public void sendMessage(PostContainer postContainer){
MessageProducer messageProducer;
// try with resources to close everything on Exception
try(Connection connection = connectionFactory.createConnection();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE)){
messageProducer = session.createProducer(messageReceiver);
ObjectMessage objectMessage = session.createObjectMessage();
objectMessage.setObject(myObject);
objectMessage.setJMSRedelivered(false); // this doesn't seem to have any effect
messageProducer.send(objectMessage);
messageProducer.close();
}catch(Exception ex){
System.out.err("error when sendingMessage .. ignoring"); // when "ignoring" the Exception I thought to at least save me the enormous log messages
}
}
}
消息 bean 如下所示:
@MessageDriven(activationConfig = {
@ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Queue"),
@ActivationConfigProperty(propertyName = "destinationLookup", propertyValue = "jms/MessageReceiver")
})
public class MessageReceiver implements MessageListener{
public MessageReceiver(){
}
@Override
public void onMessage(Message message){
try{
if(message instanceof ObjectMessage){
ObjectMessage objectMessage = (ObjectMessage) message;
MyObject myObject = (MyObject) objectMessage.getObject();
doStuff(myObject); // the method that handles the incoming object - here the Exception gets thrown
}
}catch(Exception ex){
System.err.println("message could not be received: " + ex.getMessage()); // still trying to ignore exceptions here
}
}
}
异常的某些部分
javax.ejb.TransactionRolledbackLocalException: Exception thrown from bean
at com.sun.ejb.containers.EJBContainerTransactionManager.checkExceptionClientTx(EJBContainerTransactionManager.java:662)
at com.sun.ejb.containers.EJBContainerTransactionManager.postInvokeTx(EJBContainerTransactionManager.java:507)
at com.sun.ejb.containers.BaseContainer.postInvokeTx(BaseContainer.java:4566)
......... (and so on....)
at com.me.MessageBeans.MessageReceiver.doStuff(MessageReceiver.java:86)
at com.me.MessageBeans.MessageReceiver.onMessage(MessageReceiver.java:61)
at sun.reflect.GeneratedMethodAccessor313.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.glassfish.ejb.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1081)
at org.glassfish.ejb.security.application.EJBSecurityManager.invoke(EJBSecurityManager.java:1153)
at com.sun.ejb.containers.BaseContainer.invokeBeanMethod(BaseContainer.java:4786)
at com.sun.ejb.EjbInvocation.invokeBeanMethod(EjbInvocation.java:656)
at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)
at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:608)
at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:55)
at org.jboss.weld.ejb.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:52)
at sun.reflect.GeneratedMethodAccessor310.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:883)
......... (and so on....)
Caused by: javax.validation.ConstraintViolationException: Bean Validation constraint(s) violated while executing Automatic Bean Validation on callback event:'prePersist'. Please refer to embedded ConstraintViolations for details.
// I try to persist myObject with JPA into the database (that's what's not working right now.. but it's beside the point here
......... (and so on....)
现在是我的实际问题
:)如何停止我的
JMS Queue 以重新发送 消息(导致任何Exceptions 或由于任何其他原因无法成功发送)? (例如捕获异常,在发送消息时设置一些参数......)
在设置 DestinationResources 或 ConnectionFactories 时,我必须在 GlassFish 中设置一个参数/选项吗?
我该如何手动清除队列,因为现在它已满,带有“重新发送消息”,并且每次我部署我的应用程序时我在几分钟内就会收到大量的日志消息。
感谢大家的时间和阅读:)
【问题讨论】:
-
doStuff() 是否调用另一个 EJB?
-
@SteveC 是的,它确实调用了一些
JPA门面,试图将我的对象持久保存到数据库中(这个东西现在不起作用,原来的exception被抛出) -
抱歉,我认为这无关紧要。这是一个
ConstraintViolationException被抛出。我试图弄清楚,但是随着日志消息的泛滥,调试起来并不容易:)我尝试持久化的实体与数据库中的其他实体有很多依赖关系和关系,这就是为什么我认为它会太复杂了这里就不解释了
标签: java jakarta-ee glassfish jms message-driven-bean