Re: Duplicate Messages

2014-09-30 Thread Pavel Moravec
sday, September 30, 2014 10:20:18 AM > Subject: Re: Duplicate Messages > > Hi Steve, > > I wonder how to check for duplicates, as well. I create topics using > --sequence like: > > qpid-config -b localhost exchange topic test_topic --durable > --sequence >

Re: Duplicate Messages

2014-09-30 Thread Andreas Welchlin
Hi Steve, I wonder how to check for duplicates, as well. I create topics using --sequence like: qpid-config -b localhost exchange topic test_topic --durable --sequence I understood that the the order of messages is guaranteed, then. This means a duplicate message can only be the

RE: Duplicate Messages

2014-09-29 Thread Steve Huston
Hi Raphael, > I am new to Qpid, starting to work on an extensive projects code base. Welcome! > I am trying to find the spot in the documentation where guarantees of the > messaging system are discussed. For example: in case of a network problem, > could it happen that the broker sends the same

Re: Duplicate messages in queues

2013-06-13 Thread Ed Bragg
I apologize. I found where somebody on our end was shoving everything into a HashSet. Sorry for the confusion. Ed On Thu, Jun 13, 2013 at 3:22 PM, Ed Bragg wrote: > Hi Rob, > > We are using the Java Broker. Version 0.20. > Right now we are running stock configuration (test). > > I have a Jav

Re: Duplicate messages in queues

2013-06-13 Thread Ed Bragg
Hi Rob, We are using the Java Broker. Version 0.20. Right now we are running stock configuration (test). I have a Java class that is popping items onto the queue, and then pulling them all off until none are left. I'm using a QueueProducer, and initializing it with: Destination dest =

Re: Duplicate messages in queues

2013-06-13 Thread Rob Godfrey
No - that wouldn't be the expected behaviour of queues... can you give a little more information about your test scenario... which broker are you using (Java or C++)?, how did you set up the queue? how are you verifying that only one message is actually on the queue? There are queue types (such as

Re: duplicate messages

2010-03-01 Thread me really
OK, so seems like there's at least a partial resolution to this, which is to use the latest trunk build, due to the bug QPID-1893. This bug relates to the java client not generating heartbeats, fixed 12-Jan-2010. I'm not entirely sure how not properly responding to heartbeats causes the resend o

Re: duplicate messages

2010-03-01 Thread me really
As a follow-on...   The problem appears to be between the Java producer and the initial federated broker.   The scenario is that after 8 mins, the connection times out on the broker, and the producer does failover, and resends a message that was sent previously, and received by a consumer.   Th