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https://issues.apache.org/jira/browse/ARTEMIS-550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16339220#comment-16339220
]
Benjamin Graf edited comment on ARTEMIS-550 at 1/26/18 8:10 AM:
----------------------------------------------------------------
Hi [~gtully]
I created a test case which only works if the queue is created explicitly
before.
{code:java}
@Test
public void testVirtualTopicViaFQQN() throws Exception {
ConnectionFactory factory = new
org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory(urlString);
server.addAddressInfo(new AddressInfo(new SimpleString("#"),
RoutingType.MULTICAST));
server.getAddressSettingsRepository().getMatch("#").setAutoCreateQueues(true);
server.createQueue(new SimpleString("TEST_TOPIC"),
RoutingType.MULTICAST,
new SimpleString("VirtualTopicConsumers.test"),
null, true, false, -1, false, true);
try (Connection connection = factory.createConnection()) {
connection.start();
Session session = connection.createSession(false,
Session.AUTO_ACKNOWLEDGE);
Topic topic = session.createTopic("TEST_TOPIC");
Queue queue =
session.createQueue("TEST_TOPIC::VirtualTopicConsumers.test");
MessageConsumer consumer1 = session.createConsumer(queue);
MessageProducer producer = session.createProducer(topic);
producer.send(session.createMessage());
Message m = consumer1.receive(2000);
assertNotNull(m);
}
}
{code}
AMQSession does create queue in createConsumer() ServerSessionImpl throws
Exception in createConsumer() if binding is not available.
Snapshot from debugging what CREATE_QUEUE_V2 tries to add (ServerSessionImpl
createQueue()):
!image-2018-01-26-09-02-08-192.png!
That's why createConsumer() fails! Root of this create query comes from
ActiveMQSession createConsumer().
was (Author: graben):
Hi [~gtully]
I created a test case which only works if the queue is created explicitly
before.
{code:java}
@Test
public void testVirtualTopicViaFQQN() throws Exception {
ConnectionFactory factory = new
org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory(urlString);
server.addAddressInfo(new AddressInfo(new SimpleString("#"),
RoutingType.MULTICAST));
server.getAddressSettingsRepository().getMatch("#").setAutoCreateQueues(true);
server.createQueue(new SimpleString("TEST_TOPIC"),
RoutingType.MULTICAST,
new SimpleString("VirtualTopicConsumers.test"),
null, true, false, -1, false, true);
try (Connection connection = factory.createConnection()) {
connection.start();
Session session = connection.createSession(false,
Session.AUTO_ACKNOWLEDGE);
Topic topic = session.createTopic("TEST_TOPIC");
Queue queue =
session.createQueue("TEST_TOPIC::VirtualTopicConsumers.test");
MessageConsumer consumer1 = session.createConsumer(queue);
MessageProducer producer = session.createProducer(topic);
producer.send(session.createMessage());
Message m = consumer1.receive(2000);
assertNotNull(m);
}
}
{code}
AMQSession does create queue in createConsumer() ServerSessionImpl throws
Exception in createConsumer() if binding is not available.
Snapshot from debugging what CREATE_QUEUE_V2 tries to add (ServerSessionImpl
createQueue()):
!image-2018-01-26-09-02-08-192.png!
That's why createConsumer() fails!
> Add support for virtual topic consumers
> ---------------------------------------
>
> Key: ARTEMIS-550
> URL: https://issues.apache.org/jira/browse/ARTEMIS-550
> Project: ActiveMQ Artemis
> Issue Type: Improvement
> Components: Broker
> Affects Versions: 1.3.0
> Reporter: Benjamin Graf
> Assignee: Martyn Taylor
> Priority: Major
> Attachments: image-2018-01-26-09-02-08-192.png
>
>
> Artemis should support virtual topic consumers as alternative to topic
> subscriptions as ActiveMQ itself does.
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