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From "Keith Wall (JIRA)" <j...@apache.org>
Subject [jira] [Created] (QPID-6575) Log subscription state change message (SUB-1003) only when a subscription has been suspended for an unusally long period of time
Date Fri, 05 Jun 2015 15:37:00 GMT
Keith Wall created QPID-6575:
--------------------------------

             Summary: Log subscription state change message (SUB-1003) only when a subscription
has been suspended for an unusally long period of time
                 Key: QPID-6575
                 URL: https://issues.apache.org/jira/browse/QPID-6575
             Project: Qpid
          Issue Type: Improvement
          Components: Java Broker
            Reporter: Keith Wall
             Fix For: 6.0 [Java]


SUB-1003 is logged currently whenever a subscription changes state i.e. as the client session/consumer
is able to accept more messages.  With some use-cases (low prefetch) and some messaging stacks
(Sping's DMLC) this can be very frequent.   Indeed, with Spring in certain configurations,
this will lead to a pair of messages per message.  For this reason,  we turn off SUB-1003
in the log4j configuration.   In v6, we have killed the log4j configuration so SUB-1003 is
being logged again.



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