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Home » Newcomers » Newcomers » Problem with JUnit4 and Eclipse
Problem with JUnit4 and Eclipse [message #1171668] Tue, 05 November 2013 11:55
Nick Bar is currently offline Nick BarFriend
Messages: 1
Registered: November 2013
Junior Member
Hello all!

I am trying (unsuccessfully) to get JUnit to work. I have a Java project with just one class (called MyClass) that has only one function named multiply (i.e. simple stuff).
I create a test class to do the unit testing (Right Click -> New -> JUnitTestCase etc ... ), a test class is automatically created however when I "Run As -> Junit Test" I always get the following error:

Exception in thread "main" java.lang.NoClassDefFoundError: org/eclipse/jdt/internal/junit/runner/RemoteTestRunner
Caused by: java.lang.ClassNotFoundException: org.eclipse.jdt.internal.junit.runner.RemoteTestRunner
at Method)
at java.lang.ClassLoader.loadClass(
at sun.misc.Launcher$AppClassLoader.loadClass(
at java.lang.ClassLoader.loadClass(

I know this must be something trivial and has to do with library dependencies, however JUnit4 is already included in the build path (Project -> Properties -> Java Build Path -> Libraries)!

What I have tried so far (based on solutions I found on Google) :
- Double-checking that JUnit4 is in the build path.
- Manually adding JUnit4 to build path
- Cleaning and rebuilding my project
- Use of JUnit3 stead of JUnit4
- Go to Order and Export (Project -> Java Build Path -> Order and Export) and check JUnit4.
- Re-installing Eclipse(!)

No matter what I try, I always get the same error. Any ideas?

P.S. I don't think it matters, but I run Eclipse IDE for Java Developers on a Mac (Maverick).
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