org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused (Connection refused)
at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:61) ~[spring-rabbit-2.4.7.jar:2.4.7]
at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:602) ~[spring-rabbit-2.4.7.jar:2.4.7]
at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:725) ~[spring-rabbit-2.4.7.jar:2.4.7]
at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils.createConnection(ConnectionFactoryUtils.java:252) ~[spring-rabbit-2.4.7.jar:2.4.7]
at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:2180) ~[spring-rabbit-2.4.7.jar:2.4.7]
at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2153) ~[spring-rabbit-2.4.7.jar:2.4.7]
at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2133) ~[spring-rabbit-2.4.7.jar:2.4.7]
at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueInfo(RabbitAdmin.java:463) ~[spring-rabbit-2.4.7.jar:2.4.7]
at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueProperties(RabbitAdmin.java:447) ~[spring-rabbit-2.4.7.jar:2.4.7]
at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.attemptDeclarations(AbstractMessageListenerContainer.java:1930) ~[spring-rabbit-2.4.7.jar:2.4.7]
at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.redeclareElementsIfNecessary(AbstractMessageListenerContainer.java:1911) ~[spring-rabbit-2.4.7.jar:2.4.7]
at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.initialize(SimpleMessageListenerContainer.java:1377) [spring-rabbit-2.4.7.jar:2.4.7]
at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.run(SimpleMessageListenerContainer.java:1223) [spring-rabbit-2.4.7.jar:2.4.7]
at java.lang.Thread.run(Thread.java:750) [na:1.8.0_361]
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method) ~[na:1.8.0_361]
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476) ~[na:1.8.0_361]
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218) ~[na:1.8.0_361]
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200) ~[na:1.8.0_361]
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394) ~[na:1.8.0_361]
at java.net.Socket.connect(Socket.java:606) ~[na:1.8.0_361]
at com.rabbitmq.client.impl.SocketFrameHandlerFactory.create(SocketFrameHandlerFactory.java:60) ~[amqp-client-5.13.1.jar:5.13.1]
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1223) ~[amqp-client-5.13.1.jar:5.13.1]
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1173) ~[amqp-client-5.13.1.jar:5.13.1]
at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:640) ~[spring-rabbit-2.4.7.jar:2.4.7]
at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connect(AbstractConnectionFactory.java:615) ~[spring-rabbit-2.4.7.jar:2.4.7]
at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:565) ~[spring-rabbit-2.4.7.jar:2.4.7]
... 12 common frames omitted
经排查，发现是rabbitMQ服务没有开启，开启mq即可恢复正常。
