/gradle-junit5-jpms

A Minimal Test

Primary LanguageJava

Mimimal Example of ClassCastException

Failure Running Gradle 4.6 JUnit5 Support

./gradlew test

Output:

java.lang.ClassCastException: slf4j.api@1.7.25/org.slf4j.helpers.NOPLoggerFactory cannot be cast to org.gradle.internal.logging.slf4j.OutputEventListenerBackedLoggerContext

Success Running Deprecated JUnit Platform Plugin

./gradlew build -b build-junit-platform-plugin.gradle

Output:

BUILD SUCCESSFUL in 6s

Description of Issue

  • It appears that there is an issue with JUnitPlatform.class in the JPMS.
  • Using the JUnit4 @RunWith(JUnitPlatform.class) annotation will also produce the exception.

About the Test Code

  • The test code is very basic and does nothing other than depend on code that uses the slf4j-api.