springboot-整合Spring Boot Admin，监控应用

╰半橙微兮° 2024-05-24 01:48 62阅读 0赞

> 本文主要介绍如何Spring Boot Admin，以此监控Springboot应用

#### 文章目录 ####

*  搭建Admin Server
 *   *  引入依赖
     *  Admin Server启动类
     *  application.yml配置
     *  测试
 *  搭建Admin Client
 *   *  引入依赖
     *  application.yml配置
 *  存在问题

## 搭建Admin Server ##

### 引入依赖 ###

<?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://maven.apache.org/xsd/maven-4.0.0.xsd">
        <parent>
            <artifactId>spring-learn</artifactId>
            <groupId>org.ym</groupId>
            <version>1.0-SNAPSHOT</version>
        </parent>
        <modelVersion>4.0.0</modelVersion>
    
        <artifactId>learn-monitor</artifactId>
    
        <properties>
            <maven.compiler.source>8</maven.compiler.source>
            <maven.compiler.target>8</maven.compiler.target>
        </properties>
    
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>
    
            <dependency>
                <groupId>de.codecentric</groupId>
                <artifactId>spring-boot-admin-starter-server</artifactId>
                <exclusions>
                    <exclusion>
                        <groupId>io.projectreactor.netty</groupId>
                        <artifactId>reactor-netty</artifactId>
                    </exclusion>
                </exclusions>
            </dependency>
    
            <dependency>
                <groupId>io.projectreactor.netty</groupId>
                <artifactId>reactor-netty</artifactId>
            </dependency>
    
            
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-actuator</artifactId>
            </dependency>
    
            
            <dependency>
                <groupId>io.netty</groupId>
                <artifactId>netty-resolver-dns-native-macos</artifactId>
                <classifier>osx-aarch_64</classifier>
            </dependency>
        </dependencies>
    
    </project>

### Admin Server启动类 ###

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

### application.yml配置 ###

server:
      port: 9401
    spring:
      application:
        name: learn-monitor
      boot:
        admin:
          monitor:
            default-timeout: 30000

### 测试 ###

`http://127.0.0.1:9401/applications`

## 搭建Admin Client ##

### 引入依赖 ###

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

### application.yml配置 ###

spring:
      application:
        name: learn-test
      mvc:
        pathmatch:
          matching-strategy: ant_path_matcher
      boot:
        admin:
          client:
            url: http://localhost:9401 #配置admin-server地址
    management:
      endpoints:
        web:
          exposure:
            include: '*'
      endpoint:
        health:
          show-details: always

## 存在问题 ##

java.util.concurrent.TimeoutException: Did not observe any item or terminal signal within 10000ms in 'map' (and no fallback has been configured)
    	at reactor.core.publisher.FluxTimeout$TimeoutMainSubscriber.handleTimeout(FluxTimeout.java:295) ~[reactor-core-3.4.21.jar:3.4.21]
    	Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException: 
    Error has been observed at the following site(s):
    	*__checkpoint ⇢ Request to GET health [DefaultWebClient]
    Original Stack Trace:
    		at reactor.core.publisher.FluxTimeout$TimeoutMainSubscriber.handleTimeout(FluxTimeout.java:295) ~[reactor-core-3.4.21.jar:3.4.21]
    		at reactor.core.publisher.FluxTimeout$TimeoutMainSubscriber.doTimeout(FluxTimeout.java:280) ~[reactor-core-3.4.21.jar:3.4.21]
    		at reactor.core.publisher.FluxTimeout$TimeoutTimeoutSubscriber.onNext(FluxTimeout.java:419) ~[reactor-core-3.4.21.jar:3.4.21]
    		at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onNext(FluxOnErrorResume.java:79) ~[reactor-core-3.4.21.jar:3.4.21]
    		at reactor.core.publisher.MonoDelay$MonoDelayRunnable.propagateDelay(MonoDelay.java:271) ~[reactor-core-3.4.21.jar:3.4.21]
    		at reactor.core.publisher.MonoDelay$MonoDelayRunnable.run(MonoDelay.java:286) ~[reactor-core-3.4.21.jar:3.4.21]
    		at reactor.core.scheduler.SchedulerTask.call(SchedulerTask.java:68) ~[reactor-core-3.4.21.jar:3.4.21]
    		at reactor.core.scheduler.SchedulerTask.call(SchedulerTask.java:28) ~[reactor-core-3.4.21.jar:3.4.21]
    		at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_322]
    		at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) ~[na:1.8.0_322]
    		at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) ~[na:1.8.0_322]
    		at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_322]
    		at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_322]
    		at java.lang.Thread.run(Thread.java:750) ~[na:1.8.0_322]

可能的解决方法：

1.  在application.yml中修改时间，`default-timeout: 30000`
2.  修改springboot-admin版本
3.  关闭redis，email等服务

management:
      endpoints:
        web:
          exposure:
            include: '*'
      endpoint:
        health:
          show-details: always
      health:
        redis:
          enabled: false
        mail:
          enabled: false