ActiveMQ Artemis 2.10.1 + JMS 2.0 - 共享订阅不起作用

Question

软件：

• Apache Artemis 2.10.1
• TomEE plus 8.0

我创建了一个有 2 个消费者的主题。每个消费者每个都有 1 个 MDB。我有一种主要的方法来进行配置和所有操作。

尽管我只发送一条消息并指定这是一个共享订阅，但两个 MDB 都会使用该消息。不知道如何解决这个问题。当然没有错误。但这不是我的代码所期望的功能。

@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(); 

我不确定我为什么要在 mytopic（订阅名称）上创建这个共享持久消费者。我尝试了各种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>

Answer 1

您的配置多处不正确。

首先，JMS 主题由支持multicast 的address 实现，仅此而已。这在the ActiveMQ Artemis documentation 中注明。因此，您的broker.xml 应该有这个：

<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 上手动创建共享持久消费者。