使用mq的死信队列做取消订单处理，开始没问题，做并发压测的时候处理异常

2020-07-05 16:37:17.509 WARN 15896 --- [TaskExecutor-12] s.a.r.l.ConditionalRejectingErrorHandler : Execution of Rabbit message listener failed.

org.springframework.amqp.rabbit.listener.exception.ListenerExecutionFailedException: Listener method 'public void com.lxd.mqConfig.consumer.DeadLetterQueueConsumer.receiveB(org.springframework.amqp.core.Message,com.rabbitmq.client.Channel) throws java.io.IOException' threw exception
at org.springframework.amqp.rabbit.listener.adapter.MessagingMessageListenerAdapter.invokeHandler(MessagingMessageListenerAdapter.java:196) ~[spring-rabbit-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.amqp.rabbit.listener.adapter.MessagingMessageListenerAdapter.onMessage(MessagingMessageListenerAdapter.java:126) ~[spring-rabbit-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.doInvokeListener(AbstractMessageListenerContainer.java:1445) ~[spring-rabbit-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.actualInvokeListener(AbstractMessageListenerContainer.java:1368) ~[spring-rabbit-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.invokeListener(AbstractMessageListenerContainer.java:1355) ~[spring-rabbit-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.executeListener(AbstractMessageListenerContainer.java:1334) ~[spring-rabbit-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer.doReceiveAndExecute(SimpleMessageListenerContainer.java:817) [spring-rabbit-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer.receiveAndExecute(SimpleMessageListenerContainer.java:801) [spring-rabbit-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer.access$700(SimpleMessageListenerContainer.java:77) [spring-rabbit-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.run(SimpleMessageListenerContainer.java:1042) [spring-rabbit-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_151]
Caused by: org.springframework.amqp.AmqpException: PublisherCallbackChannel is closed
at org.springframework.amqp.rabbit.connection.CachingConnectionFactory$CachedChannelInvocationHandler.invoke(CachingConnectionFactory.java:1014) ~[spring-rabbit-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at com.sun.proxy.$Proxy148.basicAck(Unknown Source) ~[na:na]
at com.lxd.mqConfig.consumer.DeadLetterQueueConsumer.receiveB(DeadLetterQueueConsumer.java:52) ~[classes/:na]
at sun.reflect.GeneratedMethodAccessor170.invoke(Unknown Source) ~[na:na]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_151]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_151]
at org.springframework.messaging.handler.invocation.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:181) ~[spring-messaging-5.0.11.RELEASE.jar:5.0.11.RELEASE]
at org.springframework.messaging.handler.invocation.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:114) ~[spring-messaging-5.0.11.RELEASE.jar:5.0.11.RELEASE]
at org.springframework.amqp.rabbit.listener.adapter.HandlerAdapter.invoke(HandlerAdapter.java:51) ~[spring-rabbit-2.0.10.RELEASE.jar:2.0.10.RELEASE]
at org.springframework.amqp.rabbit.listener.adapter.MessagingMessageListenerAdapter.invokeHandler(MessagingMessageListenerAdapter.java:188) ~[spring-rabbit-2.0.10.RELEASE.jar:2.0.10.RELEASE]
... 10 common frames omitted