发布到 ActiveMQ 上的主题

Question

我在使用 java 发布到 ActiveMQ 上的 JMS 主题时遇到问题。我的代码非常基本，但出现错误。当我尝试发送消息时似乎出现了问题：

ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(url);

ActiveMQConnection connection = (ActiveMQConnection) connectionFactory.createConnection();
connection.start();

ActiveMQSession session = (ActiveMQSession) connection.createSession(false,Session.AUTO_ACKNOWLEDGE);
Topic topic = ((TopicSession) session).createTopic(subject);
ActiveMQMessageProducer producer = (ActiveMQMessageProducer) session.createProducer(topic);


ActiveMQTextMessage txtmessage = (ActiveMQTextMessage) session.createTextMessage();
txtmessage.setText(readFileAsString("foo.txt",null));


producer.send(txtmessage);

Producer.send 没有发送短信，我收到以下错误：

Exception in thread "main" java.lang.NoSuchMethodError: org.apache.activemq.ActiveMQMessageProducerSupport.getDestination()Ljavax/jms/Destination;

Answer 1

java.lang.NoSuchMethodError: org.apache.activemq.ActiveMQMessageProducerSupport.getDestination()Ljavax/jms/Destination;

NoSuchMethodError 始终表明您的客户端类路径中有错误版本（较低版本（或）较高版本）的客户端 jar。