1、嗯，問題呢，就是一開始安裝好RabbitMQ，練習了一下RabbitMQ的使用，但是呢，過了一段時間，我來復習的時候，發現運行出現下面的錯誤了。后來想想，是自己學習微服務的時候，修改了/etc/hosts的映射。后來又修改回去了，是不是感覺日了🐕了。解決方法如下所示：
eclipse遠程連接服務器上面的Rabbitmq報的錯誤如下所示：
1 org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused: connect 2 at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:62) ~[spring-rabbit-2.1.2.RELEASE.jar:2.1.2.RELEASE] 3 at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:509) ~[spring-rabbit-2.1.2.RELEASE.jar:2.1.2.RELEASE] 4 at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:684) ~[spring-rabbit-2.1.2.RELEASE.jar:2.1.2.RELEASE] 5 at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils.createConnection(ConnectionFactoryUtils.java:214) ~[spring-rabbit-2.1.2.RELEASE.jar:2.1.2.RELEASE] 6 at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:1961) ~[spring-rabbit-2.1.2.RELEASE.jar:2.1.2.RELEASE] 7 at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:1935) ~[spring-rabbit-2.1.2.RELEASE.jar:2.1.2.RELEASE] 8 at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:1916) ~[spring-rabbit-2.1.2.RELEASE.jar:2.1.2.RELEASE] 9 at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueProperties(RabbitAdmin.java:393) ~[spring-rabbit-2.1.2.RELEASE.jar:2.1.2.RELEASE] 10 at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.redeclareElementsIfNecessary(AbstractMessageListenerContainer.java:1722) ~[spring-rabbit-2.1.2.RELEASE.jar:2.1.2.RELEASE] 11 at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.run(SimpleMessageListenerContainer.java:1026) [spring-rabbit-2.1.2.RELEASE.jar:2.1.2.RELEASE] 12 at java.lang.Thread.run(Unknown Source) [na:1.8.0_191] 13 Caused by: java.net.ConnectException: Connection refused: connect 14 at java.net.DualStackPlainSocketImpl.waitForConnect(Native Method) ~[na:1.8.0_191] 15 at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source) ~[na:1.8.0_191] 16 at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source) ~[na:1.8.0_191] 17 at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source) ~[na:1.8.0_191] 18 at java.net.AbstractPlainSocketImpl.connect(Unknown Source) ~[na:1.8.0_191] 19 at java.net.PlainSocketImpl.connect(Unknown Source) ~[na:1.8.0_191] 20 at java.net.SocksSocketImpl.connect(Unknown Source) ~[na:1.8.0_191] 21 at java.net.Socket.connect(Unknown Source) ~[na:1.8.0_191] 22 at com.rabbitmq.client.impl.SocketFrameHandlerFactory.create(SocketFrameHandlerFactory.java:60) ~[amqp-client-5.4.3.jar:5.4.3] 23 at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1102) ~[amqp-client-5.4.3.jar:5.4.3] 24 at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:1054) ~[amqp-client-5.4.3.jar:5.4.3] 25 at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:994) ~[amqp-client-5.4.3.jar:5.4.3] 26 at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:462) ~[spring-rabbit-2.1.2.RELEASE.jar:2.1.2.RELEASE] 27 ... 9 common frames omitted 28 29 2019-11-21 22:54:45.267 INFO 19532 --- [TaskExecutor-25] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [192.168.110.133:5672] 30 2019-11-21 22:54:49.261 WARN 19532 --- [TaskExecutor-24] o.s.a.r.l.SimpleMessageListenerContainer : Consumer raised exception, processing can restart if the connection factory supports it. Exception summary: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused: connect 31 2019-11-21 22:54:49.261 INFO 19532 --- [TaskExecutor-24] o.s.a.r.l.SimpleMessageListenerContainer : Restarting Consumer@3d06980: tags=[[]], channel=null, acknowledgeMode=AUTO local queue size=0 32 2019-11-21 22:54:49.262 INFO 19532 --- [TaskExecutor-25] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [192.168.110.133:5672] 33 2019-11-21 22:54:50.266 ERROR 19532 --- [TaskExecutor-25] o.s.a.r.l.SimpleMessageListenerContainer : Failed to check/redeclare auto-delete queue(s).
我修改的etc/hosts配置文件如下所示：
然后你再次使用eclipse遠程訪問rabbitmq的時候，應該已經正常了，未修改回來之前，我點擊Rabbitmq的管控台overview的時候，反應超級慢的，改回來以后反應很快哦。看到帖子的祝你好運。
作者：別先生
博客園：https://www.cnblogs.com/biehongli/
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