Josh Byster created ARTEMIS-4787:
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Summary: Queue does not auto-create if already topic on same name
Key: ARTEMIS-4787
URL: https://issues.apache.org/jira/browse/ARTEMIS-4787
Project: ActiveMQ Artemis
Issue Type: Bug
Components: Broker
Reporter: Josh Byster
As a preface, I am aware that creating both anycast and multicast queues on the
same address are an anti-pattern and not recommended. However, this is causing
difficulties migrating over legacy clients from using Classic to Artemis.
If one creates a JMS topic on an address, and then tries to create a JMS queue,
it fails to create. However, if the order is flipped (creating a queue, then a
topic), there is no exception.
It seems like the issue is in this area of ServerSessionImpl:
{code:java}
Bindings bindings =
server.getPostOffice().lookupBindingsForAddress(unPrefixedAddress);
if (bindings != null && bindings.hasLocalBinding() &&
!queueConfig.isFqqn()) {
// The address has another queue with a different name, which is
fine. Just ignore it.
result = AutoCreateResult.EXISTED;
{code}
Please see test below to reproduce, which throws the exception immediately as
seen in production.
{code:java}
package org.apache.activemq.artemis.tests.integration;
import org.apache.activemq.artemis.api.core.client.ClientSession;
import org.apache.activemq.artemis.api.core.client.ClientSessionFactory;
import org.apache.activemq.artemis.api.core.client.ServerLocator;
import org.apache.activemq.artemis.core.server.ActiveMQServer;
import org.apache.activemq.artemis.core.settings.impl.AddressSettings;
import org.apache.activemq.artemis.tests.util.ActiveMQTestBase;
import org.junit.Before;
import org.junit.Test;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.MessageConsumer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.Topic;
import java.util.HashMap;
public class QueueTopicSameNameTest extends ActiveMQTestBase {
protected ActiveMQServer server;
protected ClientSession session;
protected ClientSessionFactory sf;
protected ServerLocator locator;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
server = createServer(true, createDefaultNettyConfig(),
AddressSettings.DEFAULT_PAGE_SIZE, AddressSettings.DEFAULT_MAX_SIZE_BYTES, -1,
-1, new HashMap<>());
server.start();
locator = createInVMNonHALocator();
sf = createSessionFactory(locator);
session = addClientSession(sf.createSession(false, true, true));
}
@Test
public void testConsumerKick() throws Exception {
String myAddr = "TEST";
ConnectionFactory cf = new
org.apache.activemq.ActiveMQConnectionFactory("failover:(tcp://localhost:61616)");
Connection c = cf.createConnection();
Session s = c.createSession();
Topic t = s.createTopic(myAddr);
MessageConsumer consumer = s.createConsumer(t);
Queue q = s.createQueue(myAddr);
MessageConsumer otherConsumer = s.createConsumer(q);
c.close();
}
}
{code}
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