ActiveMQ的骆驼消息 [英] ActiveMQ Camel messages

问题描述

我尝试部署使用的ActiveMQ和骆驼的应用程序，当我strating我的Tomcat服务器我正在控制台上的所有可疑邮件，即使有在塔伊经纪人的队列中没有消息，该错误消息。

I am trying to deploy app using activemq and camel, when i am strating my tomcat server I am getting all suspicious messages on console, even when there are no messages in the queue on tye broker , the error messages are

09:56:27.769 [Camel (eventProcessorCamelContext) thread #2 - JmsConsumer[events]] DEBUG o.a.activemq.ActiveMQMessageConsumer - remove: ID:LT-HP-2012907-53495-1360230974137-0:7:1:5, lastDeliveredSequenceId:0
09:56:27.769 [Camel (eventProcessorCamelContext) thread #2 - JmsConsumer[events]] DEBUG org.apache.activemq.ActiveMQSession - ID:LT-HP-xxxxxxxxxx-0:7:1 Transaction Commit :null
09:56:27.769 [Camel (eventProcessorCamelContext) thread #2 - JmsConsumer[events]] DEBUG org.apache.activemq.ActiveMQSession - ID:LT-HP-xxxxxxxx:1 Transaction Rollback
09:56:27.770 [Camel (eventProcessorCamelContext) thread #1 - JmsConsumer[events]] DEBUG o.a.activemq.ActiveMQMessageConsumer - remove: ID:LT-HP-2012907-53495-1360230974137-0:6:1:5, lastDeliveredSequenceId:0
09:56:27.770 [Camel (eventProcessorCamelContext) thread #1 - JmsConsumer[events]] DEBUG org.apache.activemq.ActiveMQSession - ID:LT-HP-xxxxxxxxx:6:1 Transaction Commit :null
09:56:27.770 [Camel (eventProcessorCamelContext) thread #1 - JmsConsumer[events]] DEBUG org.apache.activemq.ActiveMQSession - ID:LT-HP-xxxxxxxxx:6:1 Transaction Rollback

事务提交：空事务回滚的 * 的**你可以在调试信息看到，有在队列中没有消息，因为交易还我得到调试消息承诺：零和事务回滚。难道正常吗？为什么ActiveMQ是试图在没有消息的提交无效
这是expecetd还是我做错了什么。

Transaction Commit :null Transaction Rollback ***As you can see in the debug message, there are no messages on the queue, still I am getting debug message as Transaction commit:null and Transaction Rollback. Is it expected? Why ActiveMQ is trying to commit null when there are no messages Is this expecetd or am i doing anything wrong

推荐答案

这就是详细的日志记录。

Thats verbose logging.

骆驼是使用Spring DMLC。

Camel is using Spring DMLC when reading messages transactional from ActiveMQ.

什么是本质上是做的是这样的（伪code，超过简体）：

What's essentially is done is something like this (psuedo code, over simplified):

begin transaction()
receive()
.. handle message 
commit()

关闭调试日志记录，如果这困扰你。

Turn off debug logging if this bothers you.

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