Spring Boot无法连接到docker容器内的rabbitmq ruuning ..而从浏览器中我可以访问rabbitmq控制台

如何解决Spring Boot无法连接到docker容器内的rabbitmq ruuning ..而从浏览器中我可以访问rabbitmq控制台

“我使用以下命令创建了Rabbit-mq contaier”

docker run -d --hostname my-rabbit --name some-rabbit -p 8080:15672 rabbitmq:3-management

“据我所知,任何来自localhost:8080的连接都将重定向到运行Rabbit-mq的容器15672。即使启动该容器,我也可以使用localhost:8080打开Rabbit-mq。” >

“但是我的spring boot应用程序无法连接到localhost:8080” “这是我遇到的错误”

2020-08-14 20:17:01.300 ERROR 15508 --- [:0:0:0:0:1:8080] c.r.c.impl.ForgivingExceptionHandler     : An unexpected connection driver error occured

java.net.SocketException: Socket Closed
    at java.net.SocketInputStream.socketRead0(Native Method) ~[na:1.8.0_261]
    at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) ~[na:1.8.0_261]
    at java.net.SocketInputStream.read(SocketInputStream.java:171) ~[na:1.8.0_261]
    at java.net.SocketInputStream.read(SocketInputStream.java:141) ~[na:1.8.0_261]
    at java.io.BufferedInputStream.fill(BufferedInputStream.java:246) ~[na:1.8.0_261]
    at java.io.BufferedInputStream.read(BufferedInputStream.java:265) ~[na:1.8.0_261]
    at java.io.DataInputStream.readUnsignedByte(DataInputStream.java:288) ~[na:1.8.0_261]
    at com.rabbitmq.client.impl.Frame.readFrom(Frame.java:91) ~[amqp-client-5.9.0.jar:5.9.0]
    at com.rabbitmq.client.impl.SocketFrameHandler.readFrame(SocketFrameHandler.java:184) ~[amqp-client-5.9.0.jar:5.9.0]
    at com.rabbitmq.client.impl.AMQConnection$MainLoop.run(AMQConnection.java:665) ~[amqp-client-5.9.0.jar:5.9.0]
    at java.lang.Thread.run(Thread.java:748) [na:1.8.0_261]

2020-08-14 20:17:01.307 ERROR 15508 --- [nio-8081-exec-1] o.a.c.c.C.[.[.[/].[dispatcherServlet]    : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is org.springframework.amqp.AmqpTimeoutException: java.util.concurrent.TimeoutException] with root cause

java.util.concurrent.TimeoutException: null
    at com.rabbitmq.utility.BlockingCell.get(BlockingCell.java:77) ~[amqp-client-5.9.0.jar:5.9.0]
    at com.rabbitmq.utility.BlockingCell.uninterruptibleGet(BlockingCell.java:120) ~[amqp-client-5.9.0.jar:5.9.0]
    at com.rabbitmq.utility.BlockingValueOrException.uninterruptibleGetValue(BlockingValueOrException.java:36) ~[amqp-client-5.9.0.jar:5.9.0]
    at com.rabbitmq.client.impl.AMQChannel$BlockingRpcContinuation.getReply(AMQChannel.java:502) ~[amqp-client-5.9.0.jar:5.9.0]
    at com.rabbitmq.client.impl.AMQConnection.start(AMQConnection.java:326

“以下是我的application.properties文件”

spring.rabbitmq.host = localhost
spring.rabbitmq.port = 8080
spring.rabbitmq.username = guest
spring.rabbitmq.password = guest
server.port=8081

“以下是我的配置文件”

package com.example.connecttorabbitmqdocker.configuration;

import org.springframework.amqp.core.AmqpTemplate;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class RabbitMQConfig {
    
    
    @Value("${javainuse.rabbitmq.queue}")
    String queueName;

    @Value("${javainuse.rabbitmq.exchange}")
    String exchange;

    @Value("${javainuse.rabbitmq.routingkey}")
    private String routingkey;

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

    @Bean
    DirectExchange exchange() {
        return new DirectExchange(exchange);
    }

    @Bean
    Binding binding(Queue queue,DirectExchange exchange) {
        return BindingBuilder.bind(queue).to(exchange).with(routingkey);
    }

    
      @Bean 
      public MessageConverter jsonMessageConverter() { 
          return new Jackson2JsonMessageConverter(); 
      }

    
    @Bean
    public AmqpTemplate rabbitTemplate(ConnectionFactory connectionFactory) {
        final RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
         rabbitTemplate.setMessageConverter(jsonMessageConverter());
        return rabbitTemplate;
    }
}

“请提出您的任何建议”

解决方法

只有RabbitMQ的管理接口位于端口15672下。您可以通过端口5672访问AMQP协议。您可以这样做:

docker run -d --hostname my-rabbit --name some-rabbit -p 8080:5672 rabbitmq:3-management

并查看其连接方式。

,

RabbitMQ通过端口5672和管理接口通过15672进行访问。因此,这两个端口都应公开以访问队列以及管理接口。 您可以执行以下命令来运行容器:

docker run -d --hostname my-rabbit --name some-rabbit -p 8080:5672 -p 8081:15672 rabbitmq:3-management

Java应用程序将通过8080访问rabbitmq(spring.rabbitmq.port = 8080),并且可以通过8081访问管理界面。

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