Spring 启动 WebSocket Rabbitmq Stomp Broker 不保持连接

Question

找不到与此特定错误相关的任何其他问题。

我似乎无法将我的 Spring Boot WebSocket 演示项目与 RabbitMQ 连接起来。请注意，使用 "simple" 代理时一切正常，但是当使用 Rabbit 连接 stomp 代理时，出现以下错误（不断尝试重新连接）：

Java HotSpot(TM) Client VM warning: You have loaded library /tmp/libnetty-transport-native-epoll8916930274033685449.so which might have disabled stack guard. The VM will try to fix the stack guard now.
It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.
2016-03-07 22:35:13.993  INFO 4047 --- [           main] o.s.m.s.s.StompBrokerRelayMessageHandler : Started.
2016-03-07 22:35:14.045  INFO 4047 --- [eactor-tcp-io-1] r.io.net.impl.netty.tcp.NettyTcpClient   : CONNECTED: [id: 0x034a269f, /127.0.0.1:39955 => /127.0.0.1:25672]
2016-03-07 22:35:14.151  INFO 4047 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http)
2016-03-07 22:35:14.158  INFO 4047 --- [           main] com.chat.ChatApplication                 : Started ChatApplication in 8.921 seconds (JVM running for 17.336)
2016-03-07 22:35:21.028  INFO 4047 --- [eactor-tcp-io-1] r.io.net.impl.netty.tcp.NettyTcpClient   : CLOSED: [id: 0x034a269f, /127.0.0.1:39955 :> /127.0.0.1:25672]
2016-03-07 22:35:21.030  INFO 4047 --- [eactor-tcp-io-1] r.io.net.impl.netty.tcp.NettyTcpClient   : Failed to connect to /127.0.0.1:25672. Attempting reconnect in 5000ms.

为了确保我指向正确的点，我运行:

matthew@matthew ~/code/chat $ epmd -names
epmd: up and running on port 4369 with data:
name rabbit at port 25672

这是我的 WebSocketConfig：

package com.chat.shared.websocket;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.messaging.simp.config.ChannelRegistration;
import org.springframework.messaging.simp.config.MessageBrokerRegistry;
import org.springframework.web.socket.config.annotation.AbstractWebSocketMessageBrokerConfigurer;
import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
import com.chat.user.services.UserPresenceService;

@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfig extends AbstractWebSocketMessageBrokerConfigurer {

    @Override
    public void configureMessageBroker(MessageBrokerRegistry config) {
        config.enableStompBrokerRelay("/topic", "/queue").setRelayPort(25672);
        config.setApplicationDestinationPrefixes("/app");
    }

    @Override
    public void registerStompEndpoints(StompEndpointRegistry registry) {
        registry.addEndpoint("/ws").withSockJS();
    }

    @Bean
    public UserPresenceService presenceChannelInterceptor() {
      return new UserPresenceService();
    }

  @Override
  public void configureClientInboundChannel(ChannelRegistration registration) {
      registration.setInterceptors(presenceChannelInterceptor());
  }

  @Override
  public void configureClientOutboundChannel(ChannelRegistration registration) {
      registration.taskExecutor().corePoolSize(8);
      registration.setInterceptors(presenceChannelInterceptor());
  }

}

最后是我的依赖项：

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.chat</groupId>
  <artifactId>chat</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>jar</packaging>
  <name>chat</name>

  <description>WebSocket Project</description>

  <parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.3.2.RELEASE</version>
    <relativePath />
  </parent>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <java.version>1.8</java.version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter</artifactId>
    </dependency>

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-test</artifactId>
      <scope>test</scope>
    </dependency>

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-devtools</artifactId>
    </dependency>

    <dependency>
      <groupId>org.springframework.session</groupId>
      <artifactId>spring-session-data-redis</artifactId>
    </dependency>

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-data-jpa</artifactId>
    </dependency>

    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
    </dependency>

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-security</artifactId>
    </dependency>

    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aop</artifactId>
    </dependency>

    <dependency>
      <groupId>com.google.code.gson</groupId>
      <artifactId>gson</artifactId>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-websocket</artifactId>
    </dependency>

    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-messaging</artifactId>
    </dependency>

    <dependency>
        <groupId>io.projectreactor</groupId>
        <artifactId>reactor-core</artifactId>
    </dependency>

    <dependency>
        <groupId>io.projectreactor</groupId>
        <artifactId>reactor-net</artifactId>
    </dependency>

    <dependency>
        <groupId>io.netty</groupId>
        <artifactId>netty-all</artifactId>
        <version>4.0.34.Final</version>
    </dependency>

    <dependency>
        <groupId>org.springframework.integration</groupId>
        <artifactId>spring-integration-amqp</artifactId>
    </dependency>

    <dependency>
        <groupId>org.projectreactor</groupId>
        <artifactId>reactor-tcp</artifactId>
        <version>1.0.0.RELEASE</version>
    </dependency>
  </dependencies>

  <build>
    <plugins>
      <plugin>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-maven-plugin</artifactId>
      </plugin>
    </plugins>
  </build>
</project>

我感觉我的问题与我引入的 netty/reactor 依赖项有关。欢迎任何意见。

Answer 1

首先你确实应该与 Spring Framework (Boot) 依赖项保持一致，不要使用 Reactor 1.0.0，而是最新的 2.0.7.RELEASE.

从这里不确定您是否需要 reactor-tcp...

关于 RabbitMQ 部分。你应该确定你真的安装了 STOMP 插件：https://www.rabbitmq.com/stomp.html.

注意：默认的 STOMP 端口是 61613。

Spring 启动 WebSocket Rabbitmq Stomp Broker 不保持连接

Spring Boot WebSocket Rabbitmq Stomp Broker Not Keeping Connection

rabbitmq

spring-rabbit

spring-boot

spring-websocket

java-websocket