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From jayas <s_jayara...@yahoo.com>
Subject Activemq 5.7: Restarting Consumer results in duplicate message delivery for all messages consumed after restart.
Date Tue, 21 Mar 2017 18:35:00 GMT
This is observed during our tests where a consumer is restarted , after which
we see that consumer receives duplicate messages for all the messages sent
post restart.
Here is the test environment.
Active MQ 5.7.0
One Topic, with two active consumers and one producer.
There are three JVM instances.
1. Runs the broker, 
2. Runs the producer and consumer#1
3. Runs the consumer#2
When instance#3 is restarted, that consumer will start receiving duplicate
messages for all the messages that producer sends (instance#2). 
Note that consumer running in instance #2 (which was not restarted) does not
receive duplicate messages.
The duplicate message delivery is not just for those messages that producer
sends when consumer#2 was being restarted. It is observed for all the
messages that producer sends after consumer#2 is back online as well.
Can you please confirm whether this is a known issue with activeMQ 5.7 ?
I tried to search the issues in JIRA but could not see a matching one.



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