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SpringBoot + RabbitMQ抛出错误：java.net.ConnectException：连接被拒绝

[英]SpringBoot + RabbitMQ throwing error : java.net.ConnectException: Connection refused

 原文  2018-06-13 05:55:17  9   2    java/ spring-boot/ rabbitmq/ yaml

问题描述

I have hosted a multimodule project on heroku and receiving the following error when trying to run my Spring Boot Application. 我在heroku上托管了一个多模块项目，并在尝试运行Spring Boot Application时收到以下错误。 

2018-06-13T05:34:47.611296+00:00 app[web.1]: 2018-06-13 05:34:47.611  INFO 4 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name 'rabbitConnectionFactory' has been autodetected for JMX exposure
2018-06-13T05:34:47.617422+00:00 app[web.1]: 2018-06-13 05:34:47.617  INFO 4 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean 'rabbitConnectionFactory': registering with JMX server as MBean [org.springframework.amqp.rabbit.connection:name=rabbitConnectionFactory,type=CachingConnectionFactory]
2018-06-13T05:34:47.646470+00:00 app[web.1]: 2018-06-13 05:34:47.646  INFO 4 --- [           main] o.s.c.support.DefaultLifecycleProcessor  : Starting beans in phase 2147483647
2018-06-13T05:34:47.660578+00:00 app[web.1]: 2018-06-13 05:34:47.660  INFO 4 --- [    container-1] o.s.a.r.c.CachingConnectionFactory       : Attempting to connect to: [localhost:5672]
2018-06-13T05:34:47.680639+00:00 app[web.1]: 2018-06-13 05:34:47.679 ERROR 4 --- [    container-1] o.s.a.r.l.SimpleMessageListenerContainer : Failed to check/redeclare auto-delete queue(s).
2018-06-13T05:34:47.680646+00:00 app[web.1]: 
2018-06-13T05:34:47.680648+00:00 app[web.1]: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused (Connection refused)
2018-06-13T05:34:47.680650+00:00 app[web.1]:    at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:62) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:34:47.680651+00:00 app[web.1]:    at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:476) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:34:47.680656+00:00 app[web.1]:    at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:614) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:34:47.680658+00:00 app[web.1]:    at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils.createConnection(ConnectionFactoryUtils.java:240) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:34:47.680659+00:00 app[web.1]:    at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:1797) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]

The issue I see is, it is trying to connect some localhost whereas I have my addon CloudAMQP Little Lemur added in heroku and I have added these to my both Application.yml file: 我看到的问题是，它正在尝试连接一些本地主机，而我的插件CloudAMQP Little Lemur添加到heroku中，并且已将它们添加到我的两个Application.yml文件中： 

spring:
    profiles: heroku
    mvc:
      async:
        request-timeout: 3600000
    rabbitmq:
      addresses: amqp://****:*****@puma.rmq.cloudamqp.com/uyjgxslh
      host: puma.rmq.cloudamqp.com
      port: 1883
      username: ****:****
      password: *****

In my webModule I have this code: 在我的webModule中，我有以下代码： 

@SpringBootApplication
public class SpringBootHerokuExampleApplication {

    public final static String PDF_MERGE_QUEUE= "pdf-merge-queue";

    @Bean
    Queue queue(){
        return new Queue(PDF_MERGE_QUEUE, false);
    }

    @Bean
    TopicExchange exchange(){
        return new TopicExchange("pdf-nerge-exchange");
    }

    @Bean
    Binding binding(Queue queue, TopicExchange topicExchange){
        return BindingBuilder.bind(queue).to(topicExchange).with(PDF_MERGE_QUEUE);
    }

    @Bean
    SimpleMessageListenerContainer container(ConnectionFactory connectionFactory,
                                             MessageListenerAdapter listenerAdapter){
        SimpleMessageListenerContainer container = new SimpleMessageListenerContainer();
        container.setConnectionFactory(connectionFactory);
        container.setQueueNames(PDF_MERGE_QUEUE);
        container.setMessageListener(listenerAdapter);
        return container;
    }

    @Bean
    MessageListenerAdapter listenerAdapter(RabbitMQListener rabbitMQListener){
        return new MessageListenerAdapter(rabbitMQListener, "receiveMessage");
    }

    public static void main(String[] args) {
        SpringApplication.run(SpringBootHerokuExampleApplication.class, args);
    }
}

and in my worker module main method: 在我的工作人员模块的主要方法中： 

public class SpringBootHerokuExampleApplication {
    public final static String PDF_MERGE_QUEUE= "pdf-merge-queue";
    public static void main(String[] args) {
        SpringApplication.run(SpringBootHerokuExampleApplication.class, args);
    }
}

Please find below some more stack trace from Heroku logs : 请在下面从Heroku日志中找到更多堆栈跟踪： 

handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
2018-06-13T05:54:13.871350+00:00 app[worker.1]: 2018-06-13 05:54:13.870  INFO 4 --- [           main] o.s.b.a.e.web.EndpointLinksResolver      : Exposing 2 endpoint(s) beneath base path '/actuator'
2018-06-13T05:54:13.897860+00:00 app[worker.1]: 2018-06-13 05:54:13.897  INFO 4 --- [           main] s.b.a.e.w.s.WebMvcEndpointHandlerMapping : Mapped "{[/actuator/health],methods=[GET],produces=[application/vnd.spring-boot.actuator.v2+json || application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.web.servlet.AbstractWebMvcEndpointHandlerMapping$OperationHandler.handle(javax.servlet.http.HttpServletRequest,java.util.Map<java.lang.String, java.lang.String>)
2018-06-13T05:54:13.899632+00:00 app[worker.1]: 2018-06-13 05:54:13.899  INFO 4 --- [           main] s.b.a.e.w.s.WebMvcEndpointHandlerMapping : Mapped "{[/actuator/info],methods=[GET],produces=[application/vnd.spring-boot.actuator.v2+json || application/json]}" onto public java.lang.Object org.springframework.boot.actuate.endpoint.web.servlet.AbstractWebMvcEndpointHandlerMapping$OperationHandler.handle(javax.servlet.http.HttpServletRequest,java.util.Map<java.lang.String, java.lang.String>)
2018-06-13T05:54:13.901591+00:00 app[worker.1]: 2018-06-13 05:54:13.901  INFO 4 --- [           main] s.b.a.e.w.s.WebMvcEndpointHandlerMapping : Mapped "{[/actuator],methods=[GET],produces=[application/vnd.spring-boot.actuator.v2+json || application/json]}" onto protected java.util.Map<java.lang.String, java.util.Map<java.lang.String, org.springframework.boot.actuate.endpoint.web.Link>> org.springframework.boot.actuate.endpoint.web.servlet.WebMvcEndpointHandlerMapping.links(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2018-06-13T05:54:14.128560+00:00 app[worker.1]: 2018-06-13 05:54:14.128  INFO 4 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Registering beans for JMX exposure on startup
2018-06-13T05:54:14.145677+00:00 app[worker.1]: 2018-06-13 05:54:14.145  INFO 4 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Bean with name 'rabbitConnectionFactory' has been autodetected for JMX exposure
2018-06-13T05:54:14.154055+00:00 app[worker.1]: 2018-06-13 05:54:14.153  INFO 4 --- [           main] o.s.j.e.a.AnnotationMBeanExporter        : Located managed bean 'rabbitConnectionFactory': registering with JMX server as MBean [org.springframework.amqp.rabbit.connection:name=rabbitConnectionFactory,type=CachingConnectionFactory]
2018-06-13T05:54:14.199050+00:00 app[worker.1]: 2018-06-13 05:54:14.197  INFO 4 --- [           main] o.s.c.support.DefaultLifecycleProcessor  : Starting beans in phase 2147483647
2018-06-13T05:54:14.230846+00:00 app[worker.1]: 2018-06-13 05:54:14.230  INFO 4 --- [cTaskExecutor-1] o.s.a.r.c.CachingConnectionFactory       : Attempting to connect to: [localhost:5672]
2018-06-13T05:54:14.425996+00:00 app[worker.1]: 2018-06-13 05:54:14.425  INFO 4 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat started on port(s): 8080 (http) with context path ''
2018-06-13T05:54:14.437981+00:00 app[worker.1]: 2018-06-13 05:54:14.435  INFO 4 --- [           main] o.e.SpringBootHerokuExampleApplication   : Started SpringBootHerokuExampleApplication in 13.198 seconds (JVM running for 14.523)
2018-06-13T05:54:14.969935+00:00 app[web.1]: 2018-06-13 05:54:14.969  WARN 4 --- [    container-2] 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 (Connection refused)
2018-06-13T05:54:14.970343+00:00 app[web.1]: 2018-06-13 05:54:14.970  INFO 4 --- [    container-2] o.s.a.r.l.SimpleMessageListenerContainer : Restarting Consumer@362d89d0: tags=[{}], channel=null, acknowledgeMode=AUTO local queue size=0
2018-06-13T05:54:14.971125+00:00 app[web.1]: 2018-06-13 05:54:14.971  INFO 4 --- [    container-3] o.s.a.r.c.CachingConnectionFactory       : Attempting to connect to: [localhost:5672]
2018-06-13T05:54:14.971946+00:00 app[web.1]: 2018-06-13 05:54:14.971 ERROR 4 --- [    container-3] o.s.a.r.l.SimpleMessageListenerContainer : Failed to check/redeclare auto-delete queue(s).
2018-06-13T05:54:14.971948+00:00 app[web.1]: 
2018-06-13T05:54:14.971951+00:00 app[web.1]: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused (Connection refused)
2018-06-13T05:54:14.971952+00:00 app[web.1]:    at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:62) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:14.971953+00:00 app[web.1]:    at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:476) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:14.971956+00:00 app[web.1]:    at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:614) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:14.971957+00:00 app[web.1]:    at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils.createConnection(ConnectionFactoryUtils.java:240) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:14.971958+00:00 app[web.1]:    at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:1797) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:14.971959+00:00 app[web.1]:    at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:1771) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:14.971960+00:00 app[web.1]:    at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:1752) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:14.971961+00:00 app[web.1]:    at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueProperties(RabbitAdmin.java:338) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:14.971962+00:00 app[web.1]:    at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.redeclareElementsIfNecessary(AbstractMessageListenerContainer.java:1604) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:14.971964+00:00 app[web.1]:    at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.run(SimpleMessageListenerContainer.java:963) [spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:14.971965+00:00 app[web.1]:    at java.lang.Thread.run(Thread.java:748) [na:1.8.0_171-heroku]
2018-06-13T05:54:14.971967+00:00 app[web.1]: Caused by: java.net.ConnectException: Connection refused (Connection refused)
2018-06-13T05:54:14.971969+00:00 app[web.1]:    at java.net.PlainSocketImpl.socketConnect(Native Method) ~[na:1.8.0_171-heroku]
2018-06-13T05:54:14.971971+00:00 app[web.1]:    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_171-heroku]
2018-06-13T05:54:14.971972+00:00 app[web.1]:    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_171-heroku]
2018-06-13T05:54:14.971973+00:00 app[web.1]:    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_171-heroku]
2018-06-13T05:54:14.971974+00:00 app[web.1]:    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_171-heroku]
2018-06-13T05:54:14.971975+00:00 app[web.1]:    at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_171-heroku]
2018-06-13T05:54:14.971976+00:00 app[web.1]:    at com.rabbitmq.client.impl.SocketFrameHandlerFactory.create(SocketFrameHandlerFactory.java:60) ~[amqp-client-5.1.2.jar!/:5.1.2]
2018-06-13T05:54:14.971977+00:00 app[web.1]:    at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:955) ~[amqp-client-5.1.2.jar!/:5.1.2]
2018-06-13T05:54:14.971978+00:00 app[web.1]:    at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:907) ~[amqp-client-5.1.2.jar!/:5.1.2]
2018-06-13T05:54:14.971979+00:00 app[web.1]:    at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:847) ~[amqp-client-5.1.2.jar!/:5.1.2]
2018-06-13T05:54:14.971980+00:00 app[web.1]:    at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:449) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:14.971981+00:00 app[web.1]:    ... 9 common frames omitted
2018-06-13T05:54:14.971982+00:00 app[web.1]: 
2018-06-13T05:54:14.972042+00:00 app[web.1]: 2018-06-13 05:54:14.971  INFO 4 --- [    container-3] o.s.a.r.c.CachingConnectionFactory       : Attempting to connect to: [localhost:5672]
2018-06-13T05:54:19.262272+00:00 app[worker.1]: 2018-06-13 05:54:19.261  WARN 4 --- [cTaskExecutor-1] 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 (Connection refused)
2018-06-13T05:54:19.264406+00:00 app[worker.1]: 2018-06-13 05:54:19.264  INFO 4 --- [cTaskExecutor-1] o.s.a.r.l.SimpleMessageListenerContainer : Restarting Consumer@793be5ca: tags=[{}], channel=null, acknowledgeMode=AUTO local queue size=0
2018-06-13T05:54:19.272605+00:00 app[worker.1]: 2018-06-13 05:54:19.272  INFO 4 --- [cTaskExecutor-2] o.s.a.r.c.CachingConnectionFactory       : Attempting to connect to: [localhost:5672]
2018-06-13T05:54:19.976366+00:00 app[web.1]: 2018-06-13 05:54:19.976  WARN 4 --- [    container-3] 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 (Connection refused)
2018-06-13T05:54:19.976491+00:00 app[web.1]: 2018-06-13 05:54:19.976  INFO 4 --- [    container-3] o.s.a.r.l.SimpleMessageListenerContainer : Restarting Consumer@42d37ed7: tags=[{}], channel=null, acknowledgeMode=AUTO local queue size=0
2018-06-13T05:54:19.977274+00:00 app[web.1]: 2018-06-13 05:54:19.977  INFO 4 --- [    container-4] o.s.a.r.c.CachingConnectionFactory       : Attempting to connect to: [localhost:5672]
2018-06-13T05:54:19.978248+00:00 app[web.1]: 2018-06-13 05:54:19.978 ERROR 4 --- [    container-4] o.s.a.r.l.SimpleMessageListenerContainer : Failed to check/redeclare auto-delete queue(s).
2018-06-13T05:54:19.978251+00:00 app[web.1]: 
2018-06-13T05:54:19.978252+00:00 app[web.1]: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused (Connection refused)
2018-06-13T05:54:19.978253+00:00 app[web.1]:    at org.springframework.amqp.rabbit.support.RabbitExceptionTranslator.convertRabbitAccessException(RabbitExceptionTranslator.java:62) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:19.978255+00:00 app[web.1]:    at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:476) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:19.978256+00:00 app[web.1]:    at org.springframework.amqp.rabbit.connection.CachingConnectionFactory.createConnection(CachingConnectionFactory.java:614) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:19.978257+00:00 app[web.1]:    at org.springframework.amqp.rabbit.connection.ConnectionFactoryUtils.createConnection(ConnectionFactoryUtils.java:240) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:19.978258+00:00 app[web.1]:    at org.springframework.amqp.rabbit.core.RabbitTemplate.doExecute(RabbitTemplate.java:1797) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:19.978259+00:00 app[web.1]:    at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:1771) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:19.978260+00:00 app[web.1]:    at org.springframework.amqp.rabbit.core.RabbitTemplate.execute(RabbitTemplate.java:1752) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:19.978261+00:00 app[web.1]:    at org.springframework.amqp.rabbit.core.RabbitAdmin.getQueueProperties(RabbitAdmin.java:338) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:19.978263+00:00 app[web.1]:    at org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.redeclareElementsIfNecessary(AbstractMessageListenerContainer.java:1604) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:19.978264+00:00 app[web.1]:    at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.run(SimpleMessageListenerContainer.java:963) [spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:19.978265+00:00 app[web.1]:    at java.lang.Thread.run(Thread.java:748) [na:1.8.0_171-heroku]
2018-06-13T05:54:19.978267+00:00 app[web.1]: Caused by: java.net.ConnectException: Connection refused (Connection refused)
2018-06-13T05:54:19.978268+00:00 app[web.1]:    at java.net.PlainSocketImpl.socketConnect(Native Method) ~[na:1.8.0_171-heroku]
2018-06-13T05:54:19.978269+00:00 app[web.1]:    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_171-heroku]
2018-06-13T05:54:19.978270+00:00 app[web.1]:    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_171-heroku]
2018-06-13T05:54:19.978271+00:00 app[web.1]:    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_171-heroku]
2018-06-13T05:54:19.978272+00:00 app[web.1]:    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_171-heroku]
2018-06-13T05:54:19.978273+00:00 app[web.1]:    at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_171-heroku]
2018-06-13T05:54:19.978274+00:00 app[web.1]:    at com.rabbitmq.client.impl.SocketFrameHandlerFactory.create(SocketFrameHandlerFactory.java:60) ~[amqp-client-5.1.2.jar!/:5.1.2]
2018-06-13T05:54:19.978275+00:00 app[web.1]:    at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:955) ~[amqp-client-5.1.2.jar!/:5.1.2]
2018-06-13T05:54:19.978276+00:00 app[web.1]:    at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:907) ~[amqp-client-5.1.2.jar!/:5.1.2]
2018-06-13T05:54:19.978277+00:00 app[web.1]:    at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:847) ~[amqp-client-5.1.2.jar!/:5.1.2]
2018-06-13T05:54:19.978278+00:00 app[web.1]:    at org.springframework.amqp.rabbit.connection.AbstractConnectionFactory.createBareConnection(AbstractConnectionFactory.java:449) ~[spring-rabbit-2.0.3.RELEASE.jar!/:2.0.3.RELEASE]
2018-06-13T05:54:19.978279+00:00 app[web.1]:    ... 9 common frames omitted
2018-06-13T05:54:19.978280+00:00 app[web.1]: 
2018-06-13T05:54:19.978370+00:00 app[web.1]: 2018-06-13 05:54:19.978  INFO 4 --- [    container-4] o.s.a.r.c.CachingConnectionFactory       : Attempting to connect to: [localhost:5672]
2018-06-13T05:54:24.281046+00:00 app[worker.1]: 2018-06-13 05:54:24.280  WARN 4 --- [cTaskExecutor-2] 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 (Connection refused)
2018-06-13T05:54:24.281735+00:00 app[worker.1]: 2018-06-13 05:54:24.281  INFO 4 --- [cTaskExecutor-2] o.s.a.r.l.SimpleMessageListenerContainer : Restarting Consumer@7170b3b5: tags=[{}], channel=null, acknowledgeMode=AUTO local queue size=0
2018-06-13T05:54:24.291703+00:00 app[worker.1]: 2018-06-13 05:54:24.291  INFO 4 --- [cTaskExecutor-3] o.s.a.r.c.CachingConnectionFactory       : Attempting to connect to: [localhost:5672]

Why is it trying to connect to localhost when I have specified host name explicitly in yml file? 当我在yml文件中明确指定主机名时，为什么要尝试连接到localhost？ Any Idea? 任何的想法？

2 个解决方案

解决方案1
 1 已采纳  2018-06-13 07:32:39

刚刚发现，在yml文件中，我有一个名为heroku的配置文件，当我删除它时，它连接到给定主机中的RabbitMQ。

解决方案2
 0  2018-06-13 06:22:10

If you are using spring boot you can configure Rabbit by spring cloud stream. 如果您使用的是Spring Boot，则可以按Spring Cloud Stream配置Rabbit。 In this case you dont have to configure the beans and the configuration is much easier: 在这种情况下，您不必配置Bean，并且配置更加容易： 

spring:
#---------------- RabbitMQ -----------------#
  rabbitmq:
    #Default username ans pass
    dynamic: true
    host: localhost
    port: 5672
    username: guest
    password: guest

#---------------------------- RabbitMQ properties Commons ------------------------------#
  cloud:
    stream:
      bindings:
        springCloudBusInput:
          destination: InputExchange
          group: Queue
          producer:
            exchangeAutoDelete: false
        springCloudBusOutput:
          destination: InputExchange
          group: Queue
          consumer:
            exchangeAutoDelete: false

Then you have to create the listener: 然后，您必须创建侦听器： 

@Component
public class RemoteEventListener implements ApplicationListener<InputEvent> {

    @Override
    public void onApplicationEvent(InputEvent inputEvent) {

        //whatever you want to do when a InputEvent Type is received in the queue

    }
}

In this case My app is writing and receiving from the same exchange and queue (Because of testing so stuff) 在这种情况下，我的应用正在从相同的交换和队列中进行写入和接收（因为进行了测试）

If you want to configure rabbit the way you shown, try to create a configuration class with the beans of the queue, exchange and biding with @Configuration. 如果要按照显示的方式配置Rabbit，请尝试使用队列Bean创建配置类，并使用@Configuration进行交换和出价。 Dont declare the beans in your app class. 不要在应用程序类中声明bean。

It seems it can not read the autodelete property of the queue, but if I'm not wrong I should take the default. 似乎无法读取队列的autodelete属性，但是如果我没有记错，我应该使用默认值。 Maybe You have network issues Check the rabbitmq and restart it 也许您 遇到 网络问题 检查rabbitmq并重新启动它

Can you acces to rabbitMq administrator interface? 您可以访问RabbitMq管理员界面吗？

About the comment about whi is trying to connect with localhost add this to your bean definition: 关于有关whi试图与localhost连接的注释，请将其添加到您的bean定义中： 

@Autowired
 private ConnectionFactory rabbitConnectionFactory

@Bean
 public RabbitTemplate rubeExchangeTemplate() {
  RabbitTemplate r = new RabbitTemplate(rabbitConnectionFactory);
  r.setExchange("rmq.rube.exchange");
  r.setRoutingKey("rube.key");
  r.setConnectionFactory(rabbitConnectionFactory);
  return r;
 }

also remove addresses of your application.yml 还要删除您的应用程序的地址。yml

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