Junit 4上的IncompatibleClassChangeError吗？

Question

我正在尝试在测试文件上运行一个简单的测试，以查看它是否有效，然后再测试其他任何东西。但是，每当尝试运行测试时，我都会收到初始化错误。我不知道什么是初始化错误。请帮我。

import static org.junit.Assert.*;
public class RoundTest {
@Test
public void test() {
    fail("not yet implemented");
}
}

这是痕迹。

java.lang.IncompatibleClassChangeError: Implementing class
   at java.lang.ClassLoader.defineClass1(Native Method)
   at java.lang.ClassLoader.defineClass(Unknown Source)
   at java.security.SecureClassLoader.defineClass(Unknown Source)
   at java.net.URLClassLoader.defineClass(Unknown Source)
   at java.net.URLClassLoader.access$100(Unknown Source)
   at java.net.URLClassLoader$1.run(Unknown Source)
   at java.net.URLClassLoader$1.run(Unknown Source)
   at java.security.AccessController.doPrivileged(Native Method)
   at java.net.URLClassLoader.findClass(Unknown Source)
   at java.lang.ClassLoader.loadClass(Unknown Source)
   at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
   at java.lang.ClassLoader.loadClass(Unknown Source)
   at org.junit.internal.builders.JUnit3Builder.isPre4Test(JUnit3Builder.java:17)
   at org.junit.internal.builders.JUnit3Builder.runnerForClass(JUnit3Builder.java:10)
   at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
   at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26)
   at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
   at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:33)
   at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createUnfilteredTest(JUnit4TestLoader.java:90)
   at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:76)
   at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:49)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:525)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:763)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:463)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:209)