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https://issues.apache.org/jira/browse/ARTEMIS-2156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Luis Miguel De Bello updated ARTEMIS-2156:
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Attachment: broker1.xml
broker2.xml
> Message Duplication when using exclusive divert and clustering
> --------------------------------------------------------------
>
> Key: ARTEMIS-2156
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2156
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Affects Versions: 1.5.5
> Reporter: Luis Miguel De Bello
> Priority: Major
> Attachments: ArtemisClient1.5.5.gif, ArtemisClient2.6.2.gif,
> Consumer.java, Duplicate Object.png, Producer.java, broker1.xml, broker2.xml
>
>
> We bumped into the following issue, we start getting duplicate message after
> doing some analysis we saw the "exclusiveBindings" in
> "org.apache.activemq.artemis.core.postoffice.impl.BindingsImpl" got the same
> binding twice.
> The if statement in "addBinding"
> {code:java}
> if (binding.isExclusive()) {
> exclusiveBindings.add(binding);
> } else {
> SimpleString routingName = binding.getRoutingName();
> List<Binding> bindings = routingNameBindingMap.get(routingName);
> if (bindings == null) {
> bindings = new CopyOnWriteArrayList<>();
> List<Binding> oldBindings =
> routingNameBindingMap.putIfAbsent(routingName, bindings);
> if (oldBindings != null) {
> bindings = oldBindings;
> }
> }
> if (!bindings.contains(binding)) {
> bindings.add(binding);
> }
> }{code}
> Does not do any check in case the binding already exists, this kind of test
> is done for non exclusive binding.
> I was not able to create an automatic test in the base code because the issue
> seems related to the client version.
> Scenario:
> - Cluster of two instances (UDP) Artemis Server 1.5.5
> - Clean Up /data/bindings/*, ../data/journal/*, ../data/paging/*
> - Exclusive Divert from jms.queue.*.Provider.*.Agent.*.Status to
> jms.queue.Notifications
> - Java program using artemis client
> - Start Consumer in Instance 1 (jms.queue.Notifications)
> - Send Message to Instance 1
> - Send Message to Instance 2
> - Send Message to Instance 1
> Expectations:
> - We expect to get 3 message
> Results:
> We got 3 messages when the client uses version 1.5.5
> We got 5 messages when the client uses version 2.6.2
>
> I enclose two gif one for client
> "org.apache.activemq:artemis-jms-client:1.5.5" where it works ok and another
> for "org.apache.activemq:artemis-jms-client:2.6.2" where you can appreciate
> the issue.
> Also I enclose one screenshot where you can see the same object is added
> twice.
> I will also include the broker.xml file to configure the udp cluster + the
> code use for the producer and consumer.
> Note: The only difference when using client 1.5.5 is the queue name
> definition I needed to remove the jms.queue prefix.
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