RabbitMQ

Spring Amqp has NoClassDefFoundError in springframework RetryCallback class

由 一笑奈何 提交于 2019-12-31 03:54:06
问题 I have been working on a distributed web project and I want to utilize Spring amqp using RabbitMq in it. I use springFramework version 4.1.6 in my project. To do this, I have added the following dependencies to the file pom.xml. <dependency> <groupId>com.rabbitmq</groupId> <artifactId>amqp-client</artifactId> <version>3.5.7</version> </dependency> <dependency> <groupId>org.springframework.amqp</groupId> <artifactId>spring-amqp</artifactId> <version>1.5.3.RELEASE</version> </dependency>

Spring cloud stream - send message after application initalization

由 半腔热情 提交于 2019-12-31 00:59:05
问题 I'am trying to send a simple message using "spring cloud stream" to the rabbitmq. Basically code looks like this: @EnableBinding(Source.class) @SpringBootApplication public class SourceApplication { public static void main(String[] args) { SpringApplication.run(SourceApplication.class, args); } @Autowired Source source; @PostConstruct public void init() { source.send(MessageBuilder.withPayload("payload").build()); } } then I get this error message: org.springframework.messaging

RabbitMQ-Spring整合

由 被刻印的时光 ゝ 提交于 2019-12-30 20:15:21
目录 Spring-boot中通过注解封装RabbitMQ的使用。 Spring通过XML配置使用rabbitMQ。 通过前面的RabbitMQ的java应用，我们初步了解到MQ的使用。在实际中，我们基本上都不需要这么用，可以直接通过把rabbitMQ整合Spring中，spring帮我们封装了一些消息者、生产者的功能，我们可以直接使用。 Spring-boot中通过注解封装RabbitMQ的使用。 1.添加依赖pom.xml <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-amqp</artifactId> </dependency> 2.配置服务器、用户、密码application.properties spring.rabbitmq.host=127.0.0.1 spring.rabbitmq.port=5673 spring.rabbitmq.username=root spring.rabbitmq.password=root spring.rabbitmq.publisher-confirms=true spring.rabbitmq.publisher-returns=true 3.通过注解定义队列、交换器等。 package mytest

rabbmitmq和spring整合

由 [亡魂溺海] 提交于 2019-12-30 19:06:04
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 1、添加maven依赖的pom.xml <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/maven-v4_0_0.xsd"> <parent> <artifactId>im_home</artifactId> <groupId>com.autohome</groupId> <version>1.0-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>im-statistics</artifactId> <packaging>war</packaging> <name>im-statistics Maven Webapp</name> <url>http://maven.apache.org</url> <properties> <!-- spring版本号 --> <spring.version>4

docker

由 谁都会走 提交于 2019-12-30 19:00:01
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> #--restart=always #-e RABBITMQ_VM_MEMORY_HIGH_WATERMARK=1024MiB docker run -d \ --name rabbitmq \ --hostname myrabbit \ -e RABBITMQ_DEFAULT_USER=admin \ -e RABBITMQ_DEFAULT_PASS=admin \ -e RABBITMQ_DEFAULT_VHOST=vhost \ -p 15672:15672 \ -p 5672:5672 \ -v /usr/local/rabbitmq:/etc/rabbitmq \ -v /usr/local/rabbitmq/data:/var/lib/rabbitmq \ -v /usr/local/rabbitmq/log/:/var/log/rabbitmq \ rabbitmq:management docker run -d \ --name rabbitmq \ --hostname myrabbit \ -e RABBITMQ_DEFAULT_USER=xxx\ -e RABBITMQ_DEFAULT_PASS=xxx\ -e RABBITMQ_DEFAULT_VHOST=vhost \ -p

docker中安装rabbitmq

由 假如想象 提交于 2019-12-30 18:48:21
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> docker pull rabbitmq:3.7.7-management docker run -d --name rabbitmq3.7.7 -p 5672:5672 -p 15672:15672 -v `pwd`/data:/var/lib/rabbitmq --hostname my-rabbit -e RABBITMQ_DEFAULT_VHOST=my_vhost -e RABBITMQ_DEFAULT_USER=admin -e RABBITMQ_DEFAULT_PASS=admin 2888deb59dfc 说明： -d 后台运行容器； --name 指定容器名； -p 指定服务运行的端口（5672：应用访问端口；15672：控制台Web端口号）； -v 映射目录或文件； --hostname 主机名（RabbitMQ的一个重要注意事项是它根据所谓的 “节点名称” 存储数据，默认为主机名）； -e 指定环境变量；（RABBITMQ_DEFAULT_VHOST：默认虚拟机名；RABBITMQ_DEFAULT_USER：默认的用户名；RABBITMQ_DEFAULT_PASS：默认用户名的密码） docker run -d --hostname my-rabbit --name rabbitmq3.7

How to test celery with django on a windows machine

由 ≯℡__Kan透↙ 提交于 2019-12-30 12:22:56
问题 I'm looking for a resource, documentation or advise on how to test django celery on my windows machine before deploying on a Linux based server. Any useful Answer would be appreciated and accepted. 回答1: Celery (since version 4 as pointed out by another answer) does not support Windows (source: http://docs.celeryproject.org/en/latest/faq.html#does-celery-support-windows). Even so, you have some options: 1) Use task_always_eager=True . This will run your tasks synchronously – with this, you can

Send many publish message: Too many publishes in progress Error

由 丶灬走出姿态 提交于 2019-12-30 11:24:48
问题 Here is paho Async client: client = new MqttAsyncClient(appProps.getProperty("mqtt.broker"), appProps.getProperty("mqtt.clientId"), new MemoryPersistence()); client.setCallback(this); client.connect(null, new IMqttActionListener() { @Override public void onSuccess(IMqttToken imt) { try { client.subscribe(Constants.internalTopics, Constants.internalTopicQOS); } catch (MqttException ex) { ex.printStackTrace(); } } @Override public void onFailure(IMqttToken imt, Throwable thrwbl) { thrwbl

How to consume one message?

由 ε祈祈猫儿з 提交于 2019-12-30 10:34:32
问题 With example in rabbitmq, consumer get all messages from queue at one time. How to consume one message and exit? QueueingConsumer consumer = new QueueingConsumer(channel); channel.basicConsume(QUEUE_NAME, true, consumer); while (true) { QueueingConsumer.Delivery delivery = consumer.nextDelivery(); String message = new String(delivery.getBody()); System.out.println(" [x] Received '" + message + "'"); } 回答1: You have to declare basicQos setting to get one message at a time from ACK to NACK

Spark Structured Streaming with RabbitMQ source

由 懵懂的女人 提交于 2019-12-30 10:03:05
问题 I am trying to write a custom receiver for Structured Streaming that will consume messages from RabbitMQ . Spark recently released DataSource V2 API, which seems very promising. Since it abstracts away many details, I want to use this API for the sake of both simplicity and performance. However, since it's quite new, there are not many sources available. I need some clarification from experienced Spark guys, since they will grasp the key points easier. Here we go: My starting point is the
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