How to use Java to develop an application monitoring system based on Spring Boot Admin

How to use Java to develop an application monitoring system based on Spring Boot Admin

With the rapid development and increasing complexity of Internet applications, how to effectively monitor and manage applications has become an important issue. As an excellent application monitoring tool, Spring Boot Admin plays an important role in the field of application monitoring and management. This article will introduce how to use Java to develop an application monitoring system based on Spring Boot Admin and provide corresponding code examples.

1. Preparation
   Before we start, we need to prepare some necessary work:

   • Install Java 8 or above
   • Installation Maven 3.x or above
   • Install IDE (such as Eclipse or IntelliJ IDEA)
2. Create Spring Boot project
   First, we need to create a Spring Boot project. You can quickly create a Spring Boot project through Spring Initializer (https://start.spring.io/). After selecting the Spring Boot version, filling in the Group, Artifact and other information, click the "Generate" button to download the compressed package of the project.

Unzip the compressed package and import it into the IDE of your choice, and then import the project into the IDE.

3. Add Spring Boot Admin dependency
   Add Spring Boot Admin dependency in the project's pom.xml file:

   <dependency>
    <groupId>de.codecentric</groupId>
    <artifactId>spring-boot-admin-starter-server</artifactId>
    <version>2.4.3</version>
   </dependency>

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4. Configure the application Monitoring
   Add the @EnableAdminServer annotation to the main class of Spring Boot to enable the application monitoring function.

   @SpringBootApplication
   @EnableAdminServer
   public class Application {
    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }
   }

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5. Run the application monitoring system
   Now, we can run the application monitoring system and access it through the browserhttp://localhost:8080View the monitoring of Spring Boot Admin interface.

6. Configuring the monitored application
   We can register the application to be monitored with Spring Boot Admin. Add the Spring Boot Admin dependency in the pom.xml file of the monitored application:

   <dependency>
    <groupId>de.codecentric</groupId>
    <artifactId>spring-boot-admin-starter-client</artifactId>
    <version>2.4.3</version>
   </dependency>

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Then add the following in the application.properties (or application.yml) of the monitored application Configuration:

spring.boot.admin.client.url=http://localhost:8080

7. Run the monitored application
   Now, we can run the monitored application, and the application will automatically be registered to Spring Boot Admin. We can see the monitored application on the monitoring interface The application's running status, memory usage, request status and other information.
8. Expand other monitoring functions
   In addition to basic monitoring functions, Spring Boot Admin also provides many other functions, such as email notifications, event monitoring, log viewing, etc. You can expand it according to actual needs.

Summary:
This article introduces how to use Java to develop an application monitoring system based on Spring Boot Admin and provides corresponding code examples. By using Spring Boot Admin, we can easily monitor and manage applications and better ensure the stable operation of applications. Hope this article is helpful to you!

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