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From "Willem Jiang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CAMEL-372) JMS endpoints should default to be transactional; using the JMS transaction manager if no transaction manager is explicitly configured?
Date Mon, 22 Dec 2008 07:47:05 GMT

    [ https://issues.apache.org/activemq/browse/CAMEL-372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=48298#action_48298
] 

Willem Jiang commented on CAMEL-372:
------------------------------------

Now I don't think we should set the JMS endpoint to be true.
If we have the rule like this 
{code}
 from("jms:queue:queueA?concurrentConsumers=4").to("jms:queue:queueB")
 form("jms:queue:queueB?concurrentConsuers=4").to("mock:endpoint");
{code}
The upper 2 JMS endpoint will share a same JMSTransactionMananger if we set the transacted
to be true and the CurrentConsumer=4, we can't not get the result message from jms:queue:queueB.
So I don't think we need to make the JMS endpoint default to be transactional.
Since it is so complicated when we write the queue to queue routing rules, to be make sure
the rule can work without any additional configuration, I don't want to set the JMS endpoint
to be trasactional by default.
But if the user doesn't inject the transactionManager and set the transactioned to be true
, we should create a JMSTransactionManager by default.


> JMS endpoints should default to be transactional; using the JMS transaction manager if
no transaction manager is explicitly configured?
> ---------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CAMEL-372
>                 URL: https://issues.apache.org/activemq/browse/CAMEL-372
>             Project: Apache Camel
>          Issue Type: Improvement
>            Reporter: James Strachan
>            Assignee: Willem Jiang
>             Fix For: 2.0.0
>
>
> Its such a common use case - using camel-jms should be transactional out of the box unless
the user explicitly disables transactions. So defaulting the transactionManager property seems
to make sense

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