项目中要用到Rabbit MQ 消息队列服务，自己先摸索集成了一下，启动以后一直报java.net.SocketException: Socket Closed，
17:01:00.235 [AMQP Connection 127.0.0.1:15672] ERROR c.r.c.i.ForgivingExceptionHandler - [log,119] - An unexpected connection driver error occurred java.net.SocketException: Socket Closed at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) at java.net.SocketInputStream.read(SocketInputStream.java:171) at java.net.SocketInputStream.read(SocketInputStream.java:141) at java.io.BufferedInputStream.fill(BufferedInputStream.java:246) at java.io.BufferedInputStream.read(BufferedInputStream.java:265) at java.io.DataInputStream.readUnsignedByte(DataInputStream.java:288) at com.rabbitmq.client.impl.frame.readFrom(frame.java:91) at com.rabbitmq.client.impl.SocketframeHandler.readframe(SocketframeHandler.java:184) at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:665) at java.lang.Thread.run(Thread.java:745) 17:01:02.253 [org.springframework.amqp.rabbit.RabbitListenerEndpointContainer#0-1] ERROR o.s.a.r.l.SimpleMessageListenerContainer - [redeclareElementsIfNecessary,1912] - Failed to check/redeclare auto-delete queue(s). org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused: connect at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:61) at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:602) at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:724) at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils.createConnection(ConnectionFactoryUtils.java:252) at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:2175) at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2148) at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:2128) at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueInfo(RabbitAdmin.java:463) at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueProperties(RabbitAdmin.java:447) at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.attemptDeclarations(AbstractMessageListenerContainer.java:1925) at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.redeclareElementsIfNecessary(AbstractMessageListenerContainer.java:1906) at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.initialize(SimpleMessageListenerContainer.java:1349) at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.run(SimpleMessageListenerContainer.java:1195) at java.lang.Thread.run(Thread.java:745) Caused by: java.net.ConnectException: Connection refused: connect at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at com.rabbitmq.client.impl.SocketframeHandlerFactory.create(SocketframeHandlerFactory.java:60) at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1223) at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1173) at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connectAddresses(AbstractConnectionFactory.java:640) at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.connect(AbstractConnectionFactory.java:615) at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:565) ... 12 common frames omitted 17:01:07.268 [AMQP Connection 127.0.0.1:15672] ERROR c.r.c.i.ForgivingExceptionHandler - [log,119] - An unexpected connection driver error occurred java.net.SocketException: Socket Closed at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) at java.net.SocketInputStream.read(SocketInputStream.java:171) at java.net.SocketInputStream.read(SocketInputStream.java:141) at java.io.BufferedInputStream.fill(BufferedInputStream.java:246) at java.io.BufferedInputStream.read(BufferedInputStream.java:265) at java.io.DataInputStream.readUnsignedByte(DataInputStream.java:288) at com.rabbitmq.client.impl.frame.readFrom(frame.java:91) at com.rabbitmq.client.impl.SocketframeHandler.readframe(SocketframeHandler.java:184) at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:665) at java.lang.Thread.run(Thread.java:745)
原因分析：
查看了文档发现RabbitMQ开放了多个端口，每个端口都有不同的作用，5672、15672、25672，其中5672是提供消息队列服务所用，15672是开启后台http访问所用，默认情况下15672是未开启的，因为装RabbitMQ的时候后就记得http访问15672了，spring配置中也配成了15672
主要端口说明4369 – erlang发现口5672 --client端通信口15672 – 管理界面ui端口25672 – server间内部通信口
解决方案：
把项目中的port修改为5672启动就不报错了。
