[英]ActiveMQ Artemis 2.10.1 + JMS 2.0 - shared subscription not working
软件:
我创建了一个有 2 个消费者的主题。 每个消费者都有 1 个 MDB。 我有一个主要的方法来进行配置和所有操作。
即使我只发送一条消息并指定这是一个共享订阅,该消息也被两个 MDB 使用。 不知道如何解决这个问题。 当然没有错误。 但这不是我的代码预期的功能。
@MessageDriven(name = "TOPICMDB1", activationConfig = {
@ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Topic"),
@ActivationConfigProperty(propertyName = "destination", propertyValue = "BTOPIC"),
@ActivationConfigProperty(propertyName = "acknowledgeMode", propertyValue = "Auto-acknowledge"),
@ActivationConfigProperty(propertyName = "subscriptionName", propertyValue = "mytopic"),
@ActivationConfigProperty(propertyName = "subscriptionDurability", propertyValue = "durable"),
@ActivationConfigProperty(propertyName = "shareSubscriptions", propertyValue="true"),
@ActivationConfigProperty(propertyName = "clientId", propertyValue = "MyClientId_1")
})
@MessageDriven(name = "TOPICMDB2", activationConfig = {
@ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Topic"),
@ActivationConfigProperty(propertyName = "destination", propertyValue = "CTOPIC"),
@ActivationConfigProperty(propertyName = "acknowledgeMode", propertyValue = "Auto-acknowledge"),
@ActivationConfigProperty(propertyName = "subscriptionName", propertyValue = "mytopic"),
@ActivationConfigProperty(propertyName = "subscriptionDurability", propertyValue = "durable"),
@ActivationConfigProperty(propertyName = "shareSubscriptions", propertyValue="true"),
@ActivationConfigProperty(propertyName = "clientId", propertyValue = "MyClientId_2")
})
connectionFactory = new ActiveMQConnectionFactory(input.getUrl());
connection = (ActiveMQConnection) connectionFactory.createConnection(input.getUsername(), input.getPassword());
session = connection.createTopicSession(input.isTransacted(), Session.AUTO_ACKNOWLEDGE);
connection.start();
session = connection.createTopicSession(true, Session.SESSION_TRANSACTED);
destination = session.createTopic("ATOPIC");
consumer = session.createSharedDurableConsumer( (Topic) destination, "mytopic");
rtn = consumer.receive();
session.commit();
我不确定为什么要在mytopic
(订阅名称)上创建这个共享的持久消费者。 我正在尝试所有不同的方法来完成我的任务。
tomee.xml
:
<Resource id="ATOPIC"
class-name="org.apache.activemq.artemis.api.jms.ActiveMQJMSClient"
constructor="name"
factory-name="createTopic"
type="javax.jms.Topic">
name=ATOPIC
</Resource>
broker.xml
:
<address name = "ATOPIC">
<multicast>
<queue name = "BTOPIC"/>
<queue name = "CTOPIC"/>
</multicast>
</address>
您的配置在多个地方不正确。
首先,JMS 主题由支持multicast
的address
实现,仅此而已。 这在ActiveMQ Artemis 文档中有说明。 因此,您的broker.xml
应该具有以下内容:
<address name = "ATOPIC">
<multicast/>
</address>
其次,您的 MDB 应该使用相同的订阅名称而不是clientId
订阅ATOPIC
,例如:
@MessageDriven(name = "TOPICMDB1", activationConfig = {
@ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Topic"),
@ActivationConfigProperty(propertyName = "destination", propertyValue = "ATOPIC"),
@ActivationConfigProperty(propertyName = "acknowledgeMode", propertyValue = "Auto-acknowledge"),
@ActivationConfigProperty(propertyName = "subscriptionName", propertyValue = "mytopicSubscription"),
@ActivationConfigProperty(propertyName = "subscriptionDurability", propertyValue = "Durable"),
@ActivationConfigProperty(propertyName = "shareSubscriptions", propertyValue="true")
})
@MessageDriven(name = "TOPICMDB2", activationConfig = {
@ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Topic"),
@ActivationConfigProperty(propertyName = "destination", propertyValue = "ATOPIC"),
@ActivationConfigProperty(propertyName = "acknowledgeMode", propertyValue = "Auto-acknowledge"),
@ActivationConfigProperty(propertyName = "subscriptionName", propertyValue = "mytopicSubscription"),
@ActivationConfigProperty(propertyName = "subscriptionDurability", propertyValue = "Durable"),
@ActivationConfigProperty(propertyName = "shareSubscriptions", propertyValue="true")
})
第三,您不应该在ATOPIC
上手动创建共享的持久消费者。
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