junit-jupiter-engine v5.0.1与Eclipse Oxygen.3a兼容问题求助

Hey there, let's work through this JUnit test issue step by step—since upgrading to Eclipse Oxygen.3 didn't resolve the exception, let's dig into some targeted fixes that might help:

• Verify JUnit Dependency Compatibility
  Double-check the JUnit version your project is using. Eclipse Oxygen.3 works best with JUnit 4.12 or later. If you're using Maven/Gradle, check your build file (like pom.xml or build.gradle) to ensure the dependency is correctly declared and up-to-date. For non-build-tool projects, confirm the JUnit JARs in your project's lib folder are compatible and not corrupted.

• Check Eclipse JUnit Plugin Health
  Sometimes plugin glitches happen after an upgrade. Head to Window > Preferences > Java > JUnit to confirm the plugin is configured properly. If something looks off, try reinstalling the plugin: go to Help > Eclipse Marketplace, search for "JUnit", and update or re-install the official JUnit plugin for Eclipse.

• Clean & Rebuild Your Project
  Stale compiled files or cached data can cause unexpected issues. Run Project > Clean... in Eclipse, select your project, and let Eclipse rebuild it. You can also manually delete the target (Maven) or bin folder, then recompile the project from scratch.

• Validate Test Class Annotations & Configuration
  Make sure your test class uses the correct JUnit annotations—for example, @Test should come from org.junit.Test (not a different package). If you're using a custom test runner, confirm the @RunWith annotation is properly set. Also, check that your test class has access to all required dependencies (no missing classes in the classpath).

• Share the Full Exception Stack Trace
  The most critical piece of info here is the exact exception you're seeing. Grab the full stack trace from the Eclipse console—this will tell us if it's a ClassNotFoundException, NoClassDefFoundError, or another issue, which lets us pinpoint the root cause faster.

• Check Project JRE Configuration
  JUnit 4 requires at least JRE 1.6, and newer versions may need a more recent JRE. Go to Project Properties > Java Build Path > Libraries, check the version of your JRE System Library, and ensure it meets the minimum requirement for your JUnit version.

内容的提问来源于stack exchange，提问作者marsouf