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Message response concept It may take some time for a consumer to complete a task. What happens if one of the consumers processes a long task and only completes part of it, and suddenly it hangs up. Once RabbitMQ delivers a message to the consumer, it immediately marks the message for deletion. In this case, a consumer suddenly hangs up, and w ...

Understanding of spring AOP 01. Learning objectives Meet spring AOPUnderstand the principle of the underlying implementation of spring AOP JDK dynamic agentCGLIB agent Types of enhanced notifications for spring AOPDefinition of pointcut for spring AOPWhat is the default Aop proxy mechanism in Spring?What is the default Aop proxy mechanism ...

Reprint: https://segmentfault.com/a/1190000022521844 0. Preface Hello, I'm brother! This is my 221 high-quality original articles. If you need to reprint, please indicate the address at the beginning of the text, crab! This article has been included in my 75K Star Java open source project JavaGuide: https://github.com/Snailclimb/JavaGuide ...

1, Introduction Zuul 2. In May 2019, Netflix finally opened the zuul 2.0 version that supports asynchronous call mode, which can be said to be called for thousands of times. But Spring Cloud no longer integrates zuul2 X, then it's time to learn about Spring Cloud Gateway Spring Cloud Gateway is an API gateway built on the spring ecosystem ...

SpringBoot encapsulates the global exception handler 1. Cause Global exception handling refers to the unified and automatic handling of exceptions in the whole system, which can handle exceptions in the project without some try/catch. Instead of forcing to write try/catch, exceptions are captured by a unified exception handling mechanism. @ ...

@Relationship between Controller/@RestController/@ResponseBody annotation 1.@Controller It is used to label the controller layer and is mainly used to process the response in the view. He decides how to call the entity Bean of the Model, how to call business operations such as data addition, deletion, modification and query in the business la ...

1. Task arrangement The basic requirements have been completed. For the complaint management and repair request management, during the test, abnormal conditions have been found, resulting in multiple messages repeatedly sent to the user, and the number of defaults of the user has become negative. 2. Task analysis Through analysis and com ...

1, Introduction   in the actual development process, we often need to obtain the value of the configuration file to realize the configurability of our program. Today, let's take a look at several ways to obtain the value of the configuration file in Spring Boot. 2, Dependency and configuration 2.1 maven dependency   the versio ...

preface Life is a journey. The road you have traveled is the life you have woven. We can't predict the future road. However, we can grasp ourselves now, cherish everything around us, walk down-to-earth, take our own road, and don't leave a regretful scenery in life! For enterprise development, stability and convenience are the two ...

Zero. Premise of use Create an aggregation project in which each module is an independent springboot project The springcloud version should correspond to the springboot version, otherwise an error will be reported 1, Introduction to components used assemblyeffectnacosRegistry (service registration and discovery), configuration cen ...