Spring运行单元测试作为组失败，但单独通过

Question

我有几个JUnit测试，都使用SpringJUnit4ClassRunner运行。我可以从我的SpringSource工具套件（EclipseJuno）IDE中按类单独运行它们，它们通过了。如果我尝试按模块运行它们（“运行所选项目中的所有测试”），则它们将失败，并出现以下NoClassDefFoundError初始化错误：

java.lang.NoClassDefFoundError: org/springframework/core/annotation/AnnotatedElementUtils
    at org.springframework.test.context.MetaAnnotationUtils$AnnotationDescriptor.(MetaAnnotationUtils.java:269)
    at org.springframework.test.context.MetaAnnotationUtils$AnnotationDescriptor.(MetaAnnotationUtils.java:257)
    at org.springframework.test.context.MetaAnnotationUtils$UntypedAnnotationDescriptor.(MetaAnnotationUtils.java:326)
    at org.springframework.test.context.MetaAnnotationUtils.findAnnotationDescriptorForTypes(MetaAnnotationUtils.java:171)
    at org.springframework.test.context.ContextLoaderUtils.buildMergedContextConfiguration(ContextLoaderUtils.java:621)
    at org.springframework.test.context.DefaultTestContext.(DefaultTestContext.java:93)
    at org.springframework.test.context.TestContextManager.(TestContextManager.java:119)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTestContextManager(SpringJUnit4ClassRunner.java:120)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.(SpringJUnit4ClassRunner.java:109)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
    at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:29)
    at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:21)
    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:26)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.(JUnit4TestReference.java:33)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestClassReference.(JUnit4TestClassReference.java:25)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:48)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:452)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.lang.ClassNotFoundException: org.springframework.core.annotation.AnnotatedElementUtils
    at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
    ... 27 more

有什么办法解决吗？甚至故障排除。

吉文斯：

• JUnit 4.11版

Answer 1

我也面临同样的问题，但我发现我使用的是一个依赖于Spring4依赖关系的spring数据版本。为了解决这个问题，我降低了spring数据依赖的版本。