java.lang.IllegalStateException: Neither GenericXmlContextLoader nor AnnotationConfigContextLoader was able to detect defaults, and no ApplicationContextInitializers were declared for context configuration [ContextConfigurationAttributes@52d455b8 declaringClass = 'rewards.RewardNetworkTests', locations = '{}', classes = '{}', inheritLocations = true, initializers = '{}', inheritInitializers = true, name = [null], contextLoaderClass = 'org.springframework.test.context.ContextLoader']

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    Stack Overflow | 2 years ago | AndreaNobili
    java.lang.IllegalStateException: Neither GenericXmlContextLoader nor AnnotationConfigContextLoader was able to detect defaults, and no ApplicationContextInitializers were declared for context configuration [ContextConfigurationAttributes@52d455b8 declaringClass = 'rewards.RewardNetworkTests', locations = '{}', classes = '{}', inheritLocations = true, initializers = '{}', inheritInitializers = true, name = [null], contextLoaderClass = 'org.springframework.test.context.ContextLoader']
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    java.lang.NoSuchMethodError: org.springframework.core.annotation.AnnotationUtils.getAnnotationAttributes

    Stack Overflow | 7 months ago | OneTwo
    java.lang.IllegalStateException: Could not load TestContextBootstrapper [class org.springframework.test.context.support.DefaultTestContextBootstrapper]. Specify @BootstrapWith's 'value' attribute or make the default bootstrapper class available.
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    java.lang.IllegalStateException: Configuration error: both default locations AND default configuration classes were detected for context configuration [ContextConfigurationAttributes@3f102e87 declaringClass = 'com.javarticles.spring.SpringFailureTest', classes = '{class com.javarticles.spring.SpringFailureTest$Config}', locations = '{classpath:com/javarticles/spring/SpringFailureTest-context.xml}', inheritLocations = true, initializers = '{}', inheritInitializers = true, name = [null], contextLoaderClass = 'org.springframework.test.context.ContextLoader']; configure one or the other, but not both.
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    Could not load TestContextBootstrapper - Spring Unit testing

    Stack Overflow | 2 years ago | Tariq
    java.lang.IllegalStateException: Could not load TestContextBootstrapper [class org.springframework.test.context.support.DefaultTestContextBootstrapper]. Specify @BootstrapWith's 'value' attribute or make the default bootstrapper class available.
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    qanda.ren | 4 months ago
    java.lang.IllegalStateException: Could not load TestContextBootstrapper [class org.springframework.test.context.support.DefaultTestContextBootstrapper]. Specify @BootstrapWith's 'value' attribute or make the default bootstrapper class available.

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    Root Cause Analysis

    1. java.lang.IllegalStateException

      Neither GenericXmlContextLoader nor AnnotationConfigContextLoader was able to detect defaults, and no ApplicationContextInitializers were declared for context configuration [ContextConfigurationAttributes@52d455b8 declaringClass = 'rewards.RewardNetworkTests', locations = '{}', classes = '{}', inheritLocations = true, initializers = '{}', inheritInitializers = true, name = [null], contextLoaderClass = 'org.springframework.test.context.ContextLoader']

      at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.processContextConfiguration()
    2. Spring TestContext
      SpringJUnit4ClassRunner.<init>
      1. org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.processContextConfiguration(AbstractDelegatingSmartContextLoader.java:200)
      2. org.springframework.test.context.ContextLoaderUtils.buildMergedContextConfiguration(ContextLoaderUtils.java:703)
      3. org.springframework.test.context.ContextLoaderUtils.buildMergedContextConfiguration(ContextLoaderUtils.java:656)
      4. org.springframework.test.context.DefaultTestContext.<init>(DefaultTestContext.java:93)
      5. org.springframework.test.context.TestContextManager.<init>(TestContextManager.java:122)
      6. org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTestContextManager(SpringJUnit4ClassRunner.java:118)
      7. org.springframework.test.context.junit4.SpringJUnit4ClassRunner.<init>(SpringJUnit4ClassRunner.java:107)
      7 frames
    3. Java RT
      Constructor.newInstance
      1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
      2. sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
      3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
      4. java.lang.reflect.Constructor.newInstance(Constructor.java:408)
      4 frames
    4. JUnit
      ClassRequest.getRunner
      1. org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:31)
      2. org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:24)
      3. org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57)
      4. org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:29)
      5. org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57)
      6. org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:24)
      6 frames
    5. JUnit4 Runner
      JUnit4TestLoader.loadTests
      1. org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.<init>(JUnit4TestReference.java:33)
      2. org.eclipse.jdt.internal.junit4.runner.JUnit4TestClassReference.<init>(JUnit4TestClassReference.java:25)
      3. org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:48)
      4. org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:38)
      4 frames
    6. JUnit3 Runner
      RemoteTestRunner.main
      1. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:452)
      2. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
      3. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
      4. org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
      4 frames