Java RabbitMQ Spring模板在发送15条消息后抛出使用封闭通道的尝试
我第一次尝试RabbitMQ,并决定使用Spring AMQP包装器。我计划先测试写入性能,然后将发送方设置为队列: 弹簧设置:Java RabbitMQ Spring模板在发送15条消息后抛出使用封闭通道的尝试,java,spring,rabbitmq,amqp,spring-amqp,Java,Spring,Rabbitmq,Amqp,Spring Amqp,我第一次尝试RabbitMQ,并决定使用Spring AMQP包装器。我计划先测试写入性能,然后将发送方设置为队列: 弹簧设置: <rabbit:connection-factory id="connectionFactory" host="localhost" username="guest" password="guest" /> <rabbit:admin connection-factory="connectio
<rabbit:connection-factory id="connectionFactory" host="localhost"
username="guest" password="guest" />
<rabbit:admin connection-factory="connectionFactory" />
<rabbit:template id="myTemplate" connection-factory="connectionFactory"
exchange="myQueue"/>
为什么会这样?看看您的兔子配置 您的amqp模板“myTemplate”已与exchange“myQueue”一起设置。。可以吗?是否有名为“myQueue”的交换,或者这是您的队列名称?如果没有,请创建一个exchange,然后将该路由密钥设置为所需队列
如果设置了无效的Exchange,则不会为模板打开/获取任何通道,从而导致ALREADCYCLOSEDEXCEPTION。正如Diogo所述,通道上的任何无效操作(例如,试图从不存在的队列中消费)都会导致通道关闭。一旦通道关闭,它就不能再使用-这就是为什么您会看到AlreadCyclosedException
如果意外的通道或连接关闭是一个问题,您可以使用类似客户端的程序自动恢复它们。打开调试日志以了解关闭连接的原因。我只是做了一个相同的测试,没有问题。
ApplicationContext context = new ClassPathXmlApplicationContext(
"th/rabbit-sender-context.xml");
AmqpTemplate aTemplate = (AmqpTemplate) context.getBean("myTemplate");
int total = 1000;
for (int i = 0; i < total; i++) {
System.out.println(i);
aTemplate.convertAndSend("my.routingkey.1", "#"+i+" on "+new Date());
}
Caused by: com.rabbitmq.client.AlreadyClosedException: clean connection shutdown; reason: Attempt to use closed channel
at com.rabbitmq.client.impl.AMQChannel.ensureIsOpen(AMQChannel.java:190)
at com.rabbitmq.client.impl.AMQChannel.transmit(AMQChannel.java:291)
at com.rabbitmq.client.impl.ChannelN.basicPublish(ChannelN.java:636)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.amqp.rabbit.connection.CachingConnectionFactory$CachedChannelInvocationHandler.invoke(CachingConnectionFactory.java:365)
at com.sun.proxy.$Proxy4.basicPublish(Unknown Source)
at org.springframework.amqp.rabbit.core.RabbitTemplate.doSend(RabbitTemplate.java:675)
at org.springframework.amqp.rabbit.core.RabbitTemplate$1.doInRabbit(RabbitTemplate.java:351)
at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:627)
... 9 more