junit gives error java.lang.NoClassDefFoundError: junit/framework/JUnit4TestAdapterCache
问题 I'm trying to run a simple unit test to my project at https://github.com/cdwijayarathna/oj4j. I added both junit-4.12.jar and ant-junit4.jar to the lib folder. But when I ran "rake run_tests", I'm getting following error at the report location I have given. java.lang.NoClassDefFoundError: junit/framework/JUnit4TestAdapterCache at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:800) at java.security.SecureClassLoader.defineClass