jbertram commented on PR #4452:
URL: 
https://github.com/apache/activemq-artemis/pull/4452#issuecomment-1530089668

   I found some additional use-cases with JMS _queue_ consumers + FQQN + 
selector that weren't working as expected so I've fixed those and added a few 
corresponding tests.
   
   As for the other use-cases you mentioned...I think any use-case involving a 
pre-created queue with a filter being accessed via FQQN by a client also 
defining its own filter is extremely rare if in use anywhere at all. It's 
certainly beyond what is documented and won't work consistently across JMS 
clients even now.
   
   Generally speaking, in multicast + filtered use-cases the filtering should 
be done _at the queue_. In anycast + filtered use-cases the filtering should be 
done _at the consumer_. These basic semantics are enforced for non-FQQN 
use-cases and should be enforced for FQQN use-cases as well. If this breaks 
undocumented, untested, niche use-cases then that can be addressed in another 
PR if we deem it necessary.


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