os dois projetos estão com a mesma versão do spring boot: 2.4.2 pom do admin:
<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.4.2</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>br.com.alura</groupId>
<artifactId>springbootadmin</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>springbootadmin</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>de.codecentric</groupId>
<artifactId>spring-boot-admin-starter-server</artifactId>
<version>2.2.0</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>erro que aparece nos logs:
***************************
APPLICATION FAILED TO START
***************************
Description:
An attempt was made to call a method that does not exist. The attempt was made from the following location:
de.codecentric.boot.admin.server.services.AbstractEventHandler.start(AbstractEventHandler.java:57)
The following method did not exist:
reactor.core.publisher.Flux.retryWhen(Ljava/util/function/Function;)Lreactor/core/publisher/Flux;
The method's class, reactor.core.publisher.Flux, is available from the following locations:
jar:file:/C:/Users/Samsung/.m2/repository/io/projectreactor/reactor-core/3.4.2/reactor-core-3.4.2.jar!/reactor/core/publisher/Flux.class
The class hierarchy was loaded from the following locations:
reactor.core.publisher.Flux: file:/C:/Users/Samsung/.m2/repository/io/projectreactor/reactor-core/3.4.2/reactor-core-3.4.2.jar
Action:
Correct the classpath of your application so that it contains a single, compatible version of reactor.core.publisher.Flux
Process finished with exit code 1
faltou algo?
