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Preface As for what spring security is, there are two main functions: user authentication and authorization. That is, we often say that users can only perform other operations after logging in. If they do not log in, they will be redirected to the login interface. Some users have permission to perform an operation, while others are authorized i ...

Service registration and discovery, service discovery is mainly used to achieve automatic registration and discovery of individual micro-service instances. It is the core of micro-service governance. To learn Spring Cloud Alibaba, first of all, you need to understand the service registration and discovery component in the framework, Nacos. 1. S ...

solr version: 8.x springboot version: 1.5.6 1. To prepare the springboot project, pom.xml needs to introduce the following jar package <properties>     <project.final.name>htsolr</project.final.name>     <java.version>1.8</java.version>     <project.build.sourceEncoding>UTF-8</project.build.sourceEnc ...

feign introduction Feign is a Restful client component of Java. Feign makes it easier to write Java HTTP client. Feign was inspired by Retrofit, JAXRS-2.0 and WebSocket. Feign has nearly 3K stars on github, which is a quite excellent open source component. Although it is inferior to nearly 30K stars of Retrofit, spring cloud integrates feign, w ...

1. Create project / module New empty project:springMvcStudy New module: type Maven webapp, name mvcStudy 2. Set Sources and Resources for module Create two new folders under mvcStudy/src/main: java,resourcesOpen File/Project Structure/Project Settings/Modules, select mvcStudy, and click the Sources tabSet the java folder to Sources and the ...

Quartz has different memory and database modes In memory mode, task information is saved in memory, and it will be lost during shutdown. It needs to be re executed manually. In database mode, task information is saved in database, and the focus is to support cluster RAMJobStore in memory mode and database mode JobStoreTX, RAMJobStore is suita ...

SpringBoot is the product of a series of problems to simplify the creation, operation, debugging and deployment of Spring applications, The feature of automatic assembly enables us to pay more attention to the business itself rather than the external XML configuration. We can easily build a WEB project by following the specification and introdu ...

Through the detailed explanation of the previous article, we know that the Dubbo service consumer label dubbo:reference will eventually create a corresponding ReferenceBean instance in the Spring container, and ReferenceBean implements the Spring life cycle interface: InitializingBean. Next, we should look at the implementation of its afterprop ...

As we mentioned in the previous article, when @ Bean annotation is marked on a method, the method return value will be put into the ioc container when the ioc container is started In the development process, there are many package scanning methods. Next, we will introduce two methods: one is based on xml, the other is based on annotation. Let ...

You can pay attention to some dry goods. Build jar package with dependency <plugin> <artifactId>maven-assembly-plugin</artifactId> <configuration> <appendAssemblyId>false</appendAssemblyId> <descriptorRefs> ...