Jakub Scholz created DISPATCH-779:
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             Summary: Credit is not issued for multicast address when no 
receiver is connected
                 Key: DISPATCH-779
                 URL: https://issues.apache.org/jira/browse/DISPATCH-779
             Project: Qpid Dispatch
          Issue Type: Bug
    Affects Versions: 0.8.0
            Reporter: Jakub Scholz


When I configure a multicast address in the Dispatch router, I expect that my 
producer should be able to send the multicasts even when no receiver is 
connected (i.e. the messages will be dropped). However, it seems that Dispatch 
will not issue any credit to the producer unless there is some receiver already 
connected and the producer is therefore stuck waiting for the credit.

Attached are the logs from both Dispatch as well as producer / receiver. I 
attached also the router configuration file. It seems that the same problem 
appears also after the receiver disconnects. The producer can still use the 
remaining credit which was issued before, but the credit is not refreshed.

This problem seems to be both with 0.8.0 as well as with the latest master.

(the relateddiscussion on the mailing list: 
http://qpid.2158936.n2.nabble.com/Credit-handling-for-sending-messages-to-multicast-addresses-in-Dispatch-td7663263.html)



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