1. Problem description The Spring Boot project has added an Amqp dependency, but has not yet used the message queue, and because Acuator monitoring is turned on to expose all endpoints (because amqp is exposed, it is also necessary to check amqp), resulting in this error when the project is started (although it does not…

Due to work needs, I studied the process of setting up TCP communication with SpringBoot. For those who need it in engineering, I just want to quickly build a usable service. I have read many other tutorials, but I feel they are too complicated and easy to mess up. Here I will only talk about…

In a microservices architecture, dynamic updating of configurations is critical to application flexibility and maintainability. Spring Cloud provides a mechanism, the @RefreshScope annotation, to implement hot update of configuration. This article will introduce the principle of configuring hot update and the role of @RefreshScope. Configure hot update principle The principle of configuration hot update is…

first way Simple and crude, change all Long types to String, and change the database to varchar type; Second way Create your own configuration class extends WebMvcConfigurerAdapter has been deprecated, just implement the WebMvcConfigurer interface directly. @EnableWebMvc @Configuration public class WebDataConvertConfig implements WebMvcConfigurer { public void configureMessageConverters(List<HttpMessageConverter<?>> converters) { MappingJackson2HttpMessageConverter jackson2HttpMessageConverter = new MappingJackson2HttpMessageConverter(); ObjectMapper…

I. Overview In a microservice architecture, calls between services are very frequent. In order to simplify calls between services, Spring Boot provides a component called Feign. Feign can help us define and implement RESTful interfaces between services. The @FeignClient annotation is a component in Spring Cloud, implemented based on Netflix Feign. The @FeignClient annotation can…

High-quality blog posts: IT-BLOG-CN 1. Steps for writing internationalization in Spring 【1】Write international configuration files; 【2】Use ResourceBundleMessageSource to manage internationalized resource files; 【3】Use ftp:message on the page to retrieve the internationalized content; 2. SpringBoot writing internationalization steps 【1】Create the i18n directory, create the login.properties internationalization default configuration file, and create login_zh_CN.properties at the same time….

springboot_tomcat turns on the access log, monitors and prints each request address and response time Foreword Environment Configure the corresponding object information AccessLog configuration default value and description Configuration Example Description of pattern parameter composition Commonly used pattern configurations 7.1 pattern default value 7.2 Default configuration description 7.3 Print the contents of cookies and headers…

Add dependencies Springboot3.0.2 is used here rely <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>1.18.32</version> </dependency> “ application.yml placement spring: application: name: chapter002 profiles: active: dev Detailed configuration of logback logback-spring.xml yml file # You can also use a custom name，for examplelogback-config.xml，Just need to be inapplication.ymlJust specify it in the file： logging: config: classpath:logback-config.xml logback-spring.xmlDetailed…

😊 @ Author: It’s a flash in the past 💖 @Homepage: https://blog.csdn.net/zhuocailing3390 🎊 @ Community: Java Technology Stack Exchange 🎉 @ Topic: SpringBoot+ENC implements key encryption and usage principles ⏱️ @ Creation time: June 23, 2024 Table of contents Preface Integrate SpringBoot 1.1、POM 1.2. Encryption salt value configuration 1.3. Use of tools 1.4. Encryption configuration…

Redisson implements delay queue Version Notes: spring boot 2.6.0 redisson-spring-boot-starter 3.28.0 1. Add dependencies & configuration <dependency> <groupId>org.redisson</groupId> <artifactId>redisson-spring-boot-starter</artifactId> <version>3.28.0</version> </dependency> application.properties spring.application.name=springboot-redis-delayed-queue-demo spring.redis.database=2 spring.redis.host=localhost spring.redis.password=123456 spring.redis.port=6379 2. Adding delayed tasks package cn.aohan.delayedqueue.provider; import cn.aohan.delayedqueue.model.DelayedTaskInfo; import cn.aohan.delayedqueue.model.TaskData; import org.redisson.api.RBlockingDeque; import org.redisson.api.RDelayedQueue; import org.redisson.api.RedissonClient; import org.redisson.codec.JsonJacksonCodec; import org.springframework.stereotype.Component; import java.util.Objects; import java.util.concurrent.TimeUnit; import java.util.function.Predicate; /** *…