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This section mainly introduces the in-depth learning of spring boot application class related source code. It mainly includes: Spring boot application custom boot configuration Spring boot application life cycle, as well as customized configuration in various stages of the life cycle. This section uses springboot 2.1.10.release. The correspon ...

This article takes spring boot and automatically opens a browser to access the HTML 5 page of the project to demonstrate Introduce two methods and recommend the second one The first is to manually add monitoring tasks to spring, which is troublesome Step 1: write a thread class first. After the springboot is started and load ...

When the doFilterInternal in the filter writes the business code, it needs to use the spring bean component. It is found that the bean component cannot be initialized in the filter, which is NullpointException. After checking, the path of the scan package is OK. Finally, determine the problem caused by the loading order of ...

Using spring Initalizr to build spring boot in idea Click new item and select as shown in the figure After clicking next Click next, and then select as shown in the figure Selection path Click finish, as shown in the figure, delete what you don't want, and the project is completed Build a controller and start the project to see the returne ...

SpringBoot e-commerce project mall (20k+star) address: https://github.com/macrozheng/mall abstract Spring Cloud Security provides a series of solutions for building secure SpringBoot applications, which can be implemented with Oauth2. The usage of single sign-on is described in detail in this article. Introduction to Single Sign-on Single Sign ...

In the development of using SpringBoot, some configuration parameters need to be defined in the yml file, and then introduced through Java classes Spring boot provides some annotations to implement this function ConfigurationProperties Value EnableConfigurationProperties The following provides examples to show how to introduce general va ...

SpringBoot e-commerce project mall (20k+star) address: https://github.com/macrozheng/mall abstract Spring Cloud Security provides a series of solutions for building secure SpringBoot applications, and with Oauth2, more functions can be achieved, such as using JWT tokens to store information and refreshing tokens. This article will give a detai ...

Solutions: 1. The code reports an error. The operation causing the exception is batch update. The definition of the Bean is related to Druid as follows: <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> <property name="driverClassName" value="${db.driverClassName}"/&g ...

1. Throw a picture first Explain: This article covers many aspects of RabbitMQ, such as: Message Sending Confirmation Mechanism Consumer Confirmation Mechanism Message Re-Delivery Consumer Idempotency, etc. These are all around the overall flowchart above, so it's necessary to post them first, see the diagram   2. Ideas for impl ...

1. What is Spring Security? Spring Security is a powerful and highly customizable authentication and access control framework that is the de facto standard used to protect Spring-based applications. Spring Security is a framework for providing authentication and authorization for Java applications.As with all Spring projects, the real power of ...