spring boot - java.lang.NoClassDefFoundError: Could not initialize class org.codehaus.groovy.vmplugin.v7.Java7

Question

I am getting this exception java.lang.NoClassDefFoundError: Could not initialize class org.codehaus.groovy.vmplugin.v7.Java7 and java.lang.NoClassDefFoundError: Could not initialize class org.codehaus.groovy.reflection.ReflectionCache) when i run the spring boot application

I am using below tools

STS 3.9.10 release
Open JDK 14 64 bit
Spring boot 2.2.5

It worked fine with oracle jdk but its failing to run with openjdk. I am not using any groovy libs. This is maven based spring boot project.

Answer 1

How do you run the application? It's probably because you use Gradle as the build system and JDK14 and the Gradle version is old. Reference: https://github.com/gradle/gradle/issues/10248

If you use Gradle Wrapper then refer to $PROJECT_ROOT/gradle/wrapper/gradle-wrapper.properties. Property distributionUrl should be: distributionUrl=https://services.gradle.org/distributions/gradle-6.3-bin.zip

If it's an older version then change it, run ./gradlew clean build and try again.