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java.lang.NoClassDefFoundError: org/springframework/core/annotation/MergedAnnotations$SearchStrategy
最后是修订了spring-test的版本解决了这个问题,将spring-test的版本由5.x降为4.x
java.lang.NoClassDefFoundError: org/springframework/core/annotation/MergedAnnotations$SearchStrategy
at org.springframework.test.context.support.TestPropertySourceUtils.buildMergedTestPropertySources(TestPropertySourceUtils.java:74)
at org.springframework.test.context.support.AbstractTestContextBootstrapper.buildMergedContextConfiguration(AbstractTestContextBootstrapper.java:386)
at org.springframework.test.context.support.AbstractTestContextBootstrapper.buildDefaultMergedContextConfiguration(AbstractTestContextBootstrapper.java:312)
at org.springframework.test.context.support.AbstractTestContextBootstrapper.buildMergedContextConfiguration(AbstractTestContextBootstrapper.java:265)
at org.springframework.test.context.support.AbstractTestContextBootstrapper.buildTestContext(AbstractTestContextBootstrapper.java:108)
at org.springframework.boot.test.context.SpringBootTestContextBootstrapper.buildTestContext(SpringBootTestContextBootstrapper.java:99)
at org.springframework.test.context.TestContextManager.<init>(TestContextManager.java:137)
at org.springframework.test.context.TestContextManager.<init>(TestContextManager.java:122)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTestContextManager(SpringJUnit4ClassRunner.java:151)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.<init>(SpringJUnit4ClassRunner.java:142)
at org.springframework.test.context.junit4.SpringRunner.<init>(SpringRunner.java:49)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:104)
at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:86)
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.junit.internal.requests.FilterRequest.getRunner(FilterRequest.java:36)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:49)
at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:104)
public Runner buildRunner(Class<? extends Runner> runnerClass,
Class<?> testClass) throws Exception {
try {
return runnerClass.getConstructor(Class.class).newInstance(testClass);
} catch (NoSuchMethodException e) {
try {
return runnerClass.getConstructor(Class.class,
RunnerBuilder.class).newInstance(testClass, suiteBuilder);
} catch (NoSuchMethodException e2) {
String simpleName = runnerClass.getSimpleName();
throw new InitializationError(String.format(
CONSTRUCTOR_ERROR_FORMAT, simpleName, simpleName));
}
}
}
runnerClass对象继承了Runner
而runnerClass为SpringRunner类型(spring-test下),springRunner继承了SpringJUnit4ClassRunner,SpringJUnit4ClassRunner继承了BlockJUnit4ClassRunner,BlockJUnit4ClassRunner继承了ParentRunner,ParentRunner继承了Runner
在执行spring-test中的at org.springframework.test.context.support.TestPropertySourceUtils.buildMergedTestPropertySources(TestPropertySourceUtils.java:74)
static MergedTestPropertySources buildMergedTestPropertySources(Class<?> testClass) {
MergedAnnotations mergedAnnotations = MergedAnnotations.from(testClass, SearchStrategy.TYPE_HIERARCHY);
return mergedAnnotations.isPresent(TestPropertySource.class) ? mergeTestPropertySources(mergedAnnotations) : MergedTestPropertySources.empty();
}
因为会实例化MergedAnnotations对象,而你的springboot版本过低,不存在java.lang.NoClassDefFoundError: org/springframework/core/annotation/MergedAnnotations$SearchStrategy
所以最好的解决方案降低spring-test的版本,这里我选择降低到4.3.18.RELEASE
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>4.3.18.RELEASE</version>
</dependency>
本文标签: NoClassDefFoundErrororgJavalangspringframework
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