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>
<!--健康检查-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<!--解决启动时报dns native错误-->
<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
<!--admin-->
<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:
- 在application.yml中修改时间,
default-timeout: 30000
- 修改springboot-admin版本
- 关闭redis,email等服务
management:
endpoints:
web:
exposure:
include: '*'
endpoint:
health:
show-details: always
health:
redis:
enabled: false
mail:
enabled: false
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