[jboss-dev-forums] [Design of Messaging on JBoss (Messaging/JBoss)] - Re: QueueImpl::deliverAsync

[timfox]

If you set the flag to false after calling deliver, then there's a possibility deliver will never get called, and messages not delivered.

Thread 1 calls deliverasync
Delivery thread delivers message
Thread 2 adds message to queue
Thread2 calls deliverasync
Already delivering so thread 2 call to deliver is ignored
Delivery thread sets flag to false
==> Message gets "stuck" in queue.

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