[jboss-user] [JBoss Messaging Users] - Re: TTL on Message Producer Not Honored

[timfox]

Firstly, I can't tell what messaging system you're using (could be JBoss MQ or 
JBoss Messaging), but just because a message is still in a queue after TTL does 
not mean TTL is not honoured.

The JMS spec just says that messages should not be delivered after TTL is 
exceeded. It does not require messages to be actively removed from queues 
before delivery.

If you tried to consume that message, you'd find it would get expired at the 
point of delivery and you wouldn't receive it, thus honouring TTL.

Some more advanced messaging systems, like HornetQ http://hornetq.org do have 
active expiry of messages in queue *before* delivery but JBoss Messaging / 
JBoss MQ do not.

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[jboss-user] [JBoss Messaging Users] - Re: TTL on Message Producer Not Honored

[droberts18]

I am using JBoss Messaging 1.4.

That is a good point about it never actually being delivered to the consumer.

The reason for my concern is I am using a selector with my consumer, and I am 
thinking that a buildup of abandoned messages would slow down the 
selection/consumption of other messages.  

Do you think that should be a concern?

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