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Spring Cloud Bus connects distributed nodes with lightweight message brokers. It can be used for broadcast profile changes or communication between services, or for monitoring. This article is about the implementation of Spring Cloud Bus to notify the change of configuration file of microservice architecture. 1, Preparations This article is ...

1. Download and start rabbitmq docker pull hub.c.163.com/library/rabbitmq:3-management docker run -d -p 5672:5672 -p 15672:15672 --name mymq hub.c.163.com/library/rabbitmq:3-management #web access path ip:15672 #User name: guest password: Guest 2. Introduce dependency into the project of springboot <dependency> < ...

1. What is the Dead Letter Queue When a message becomes a dead letter in one queue, it is re publish ed to another switch, which is called a dead letter switch. A private switch delivers a dead letter to a queue, which is a dead letter queue.The principle is as follows: There are three situations when a message becomes dead letter: Message re ...

rely on <dependency> <groupId>com.rabbitmq</groupId> <artifactId>amqp-client</artifactId> <version>5.8.0</version> </dependency>          production public class Producer {    private final static String QUEUE_NAME = "my_queue"; //Queue name ...

Business background Send an entry welcome email to an employee when they are added Preparation Take QQ email as an example Log in QQ email and select settings and accounts Find the POP3/SMTP service in the account settings Click the "open" button, send SMS according to the guidance step ...

In this article, we'll implement another function - to subscribe to only a few messages. For example, we only need to write the serious error log information to the log file (stored on disk), but still output all the log information to the console Binding In the previous example, we have created the bin ...

Catalog Spring Cloud Config server example Spring Cloud Config client example Spring Cloud Config user authentication Configure information encryption Symmetric encryption Asymmetric encryption Configuration refresh Manual refresh auto refresh Spring Cloud Config client sends update notific ...

Blog content Portal Current restriction at the consumer end ACK and return queue of messages TTL message Dead letter queue Portal Getting started with RabbitMQRabbitMQ message mode 1 Current restriction at the consumer end What is the current restriction of the consumer end? Suppose a scenario ...

Article directory Docker - building rabbitmq cluster 1. First, pull the image of rabbitmq 2. Then run three instances of rabbitmq 3. Then we build the cluster and synchronize the time zone 4. How to delete a container 5. Open the firewall or port controller for port release and check the operation s ...

Blog Outline:1, MQ introduction2, What is RabbitMQ?3, Installing RabbitMQ4, Deploy Rabbitmq cluster1) Deployment environment2) Install rabbitmq service3) Configure the host file and add the above two nodes to the cluster4) rabbitmq01 configure the cluster and add rabbitmq02 and 03 to the 01 cluster5) Accessing the web interface6) Add vhost to ...