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Firstly, the registration center should be established. file-new-module    pom.xml <?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 ...

With the widespread development of mobile payment, the current situation of Alipay and WeChat's two largest payment systems has basically been formed in the market. Therefore, the major businesses, websites, platforms and so on have access to Alipay and WeChat as payment methods. However, as a develo ...

Why do you need caching Stretch program performance Relational databases: databases with relationships between data and data mysql/Oracle, sqlserver Non-relational databases: There is no relationship between data and data, key-value 1. File-based database: ehcache 2. Memory-based databas ...

The last article shared with you the basic usage of Feign, a declarative micro-service invocation component. I believe you have learned the benefits of using Feign. Feign effectively solves the problem of code template when using RestTemplate, which makes the invocation between services easier and more ...

Public number: java paradise The first edition of RestTemplate+Ribbon Integrated Circuit Breaker Hystrix, this article to see how Feign Integrated Circuit Breaker Hystrix, Feign Integrated Circuit Breaker Hystrix is relatively simple. Feign has its own circuit breaker Hystrix by default, so you don't need to add annotations to SpringBook's boo ...

I. Introduction Examples 1. Configure dependencies in maven's pom file as follows: <!-- log4j support --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> 2. Create the lo ...

Sentinel is a current limiting scheme framework of Ali Open Source, which has the following characteristics: Rich application scenarios: Sentinel takes over the core scenarios of Alibaba's "Twenty-Eleven" traffic promotion in recent 10 years, such as second killing (i.e., burst traffic control within the system capacity can be tole ...

Installation of JDK( Baidu Disk Extraction Code: rus0  | Official website)  Configuring environment variables CTRL+R enters sysdm.cpl and then chooses Advanced - > Environment Variables (or right-click the computer - > Properties - > Advanced System Settings - > Environment Variables) ...

brief introduction logback is another open source log component designed by the founder of log4j. Currently, it is divided into three modules: logback-core is the basic module of the other two modules. Logback-classic is an improved version of log4j. In addition, logback-classic fully implements the SLF4J API, so that you can easily replace it ...

A large system must be essential for code reuse. It can solve the following problems: Unified Response Processing (Unified Response Object Packaging for Outside) graph LR HTTP-->|HttpRequest|RestController RestController-->|HttpResponse -> JSON|HTTP Unified exception handling (business exceptions can be collected and handled unif ...