按Jms ID选择消息的语法 [英] Syntax for selecting messages by Jms ID
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问题描述
根据相应的JMS ID选择邮件的正确语法是什么?
What is the correct syntax for selecting messages based on their corresponding JMS ID?
目前我使用:
String selector = "JMSMessageID='ID:305:1:5:1:1'";
messageConsumer = session.createConsumer(getRetryQueue(), selector);
以上语法适用于模拟经纪人的测试。但是对于ActiveMQ,邮件不会被轮询。
The above syntax works in test with a mocked broker. But towards ActiveMQ the messages are not polled.
原始代码:
@Override
public Message readMessageFromRetryQueueByJmsId(String jmsId) throws QueueingException {
Connection connection = null;
Session session = null;
MessageConsumer messageConsumer = null;
Message message = null;
try {
connection = getConnectionFactory().createConnection();
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
messageConsumer = session.createConsumer(getRetryQueue(), "JMSMessageID='"+jmsId+"'");
message = messageConsumer.receiveNoWait();
} catch (JMSException e) {
throw new QueueingException("Failed to read message from MessageConsumer.");
} finally {
try { messageConsumer.close(); } catch (Exception e) { /* NOP */ }
try { session.close(); } catch (Exception e) { /* NOP */ }
try { connection.close(); } catch (Exception e) { /* NOP */ }
}
return message;
}
推荐答案
自从连接从未开始。
更正后的代码:
@Override
public Message readMessageFromRetryQueueByJmsId(String jmsId) throws QueueingException {
Connection connection = null;
Session session = null;
MessageConsumer messageConsumer = null;
Message message = null;
try {
connection = getConnectionFactory().createConnection();
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
connection.start();
messageConsumer = session.createConsumer(getRetryQueue(), "JMSMessageID='"+jmsId+"'");
message = messageConsumer.receiveNoWait();
} catch (JMSException e) {
throw new QueueingException("Failed to read message from MessageConsumer.");
} finally {
try { connection.close(); } catch (Exception e) {}
}
return message;
}
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