'Spring Boot ClassNotFoundException org.springframework.core.metrics.ApplicationStartup when using Eureka Server
I was following this tutorial on Eureka https://www.baeldung.com/spring-cloud-netflix-eureka, yesterday everything was working fine but today when I try to start my eureka-server I receive the following error :
Exception in thread "main" java.lang.NoClassDefFoundError: org/springframework/core/metrics/ApplicationStartup
at org.springframework.boot.SpringApplication.<init>(SpringApplication.java:227)
at org.springframework.boot.SpringApplication.<init>(SpringApplication.java:240)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1303)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1292)
at com.learning.lva.registryservice.RegistryServiceApplication.main(RegistryServiceApplication.java:12)
Caused by: java.lang.ClassNotFoundException: org.springframework.core.metrics.ApplicationStartup
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 5 more
My pom.xml
<?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>2.6.3</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.learning.lva</groupId>
<artifactId>registry-service</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>registry-service</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
<spring-cloud.version>2021.0.0</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-parent</artifactId>
<version>Greenwich.RELEASE</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
My spring version : 5.1.4.RELEASE
What I have tried:
Adding spring-context support dependency:
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>5.3.8</version>
</dependency>
Purging the maven local repository using: mvn dependency:purge-local-repository
I can't understand why is this happening since yesterday when I ran my application it was perfectly fine.
Sources
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Source: Stack Overflow
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