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From "Kevin Yaussy (JIRA)" <j...@activemq.org>
Subject [jira] Created: (AMQ-643) maxInactivityDuration does not seem to work properly
Date Fri, 17 Mar 2006 23:55:26 GMT
maxInactivityDuration does not seem to work properly
----------------------------------------------------

         Key: AMQ-643
         URL: http://jira.activemq.org/jira//browse/AMQ-643
     Project: ActiveMQ
        Type: Bug

  Components: Connector  
    Versions: 4.0 M5    
 Environment: AMQ 4 03/17/2006 SNAPSHOT
Solaris 8, 10
    Reporter: Kevin Yaussy
     Fix For: 4.0 M5


AMQ 4 03/17/2006 SNAPSHOT

Using maxInactivityDuration causes a connection to automatically break after the inactivity
duration, even though nothing is wrong with either side of the connection.

Tracing it through, it looks like the KeepAliveInfo command does not require a response. 
This means that the KeepAlive sent never results in receive activity.  So, if both processes
are perfectly fine, just not sending any data, the connection breaks due to InactivityMonitor.readCheck.

I've changed KeepAliveInfo.java to return true for isResponseRequired.  This seems to fix
the problem, from a client perspective, anyway.

However, if this is used for broker-to-broker connections, and you force a problem with one
of the brokers (like doing pstop on Solaris), major problems will happen:

1)  The broker that is left alone seems to break the connection.  But, it continues to attempt
to send messages to the failed broker.  It was mentioned in the forum at one point you were
going to have the broker unregister subscriptions so it would not attempt to send messages
to the failed broker.  Doesn't seem like this is in place.

2) If you reawaken the pstopped broker, the two brokers never really recover properly.  Connections
continue to get broken, over and over again.


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