java - Spring Junit 不工作

Question

我正在尝试为带注释的类编写单元测试。当我 un 我得到以下异常

java.lang.IllegalStateException: Could not load TestContextBootstrapper [null]. Specify @BootstrapWith's 'value' attribute or make the default bootstrapper class available.
    at org.springframework.test.context.BootstrapUtils.resolveTestContextBootstrapper(BootstrapUtils.java:143)
    at org.springframework.test.context.TestContextManager.<init>(TestContextManager.java:105)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTestContextManager(SpringJUnit4ClassRunner.java:152)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.<init>(SpringJUnit4ClassRunner.java:143)
    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:31)
    at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:24)
    at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57)
    at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:29)
    at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57)
    at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:24)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createUnfilteredTest(JUnit4TestLoader.java:84)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:70)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:43)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:444)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: java.lang.NoSuchMethodError: org.springframework.core.annotation.AnnotatedElementUtils.findAllMergedAnnotations(Ljava/lang/reflect/AnnotatedElement;Ljava/lang/Class;)Ljava/util/Set;
    at org.springframework.test.context.BootstrapUtils.resolveExplicitTestContextBootstrapper(BootstrapUtils.java:150)
    at org.springframework.test.context.BootstrapUtils.resolveTestContextBootstrapper(BootstrapUtils.java:126)
    ... 20 more

下面是我的 pom.xml。我尝试使用 4.3.4 和 4.3.5 作为 spring 版本

<dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
             <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-core</artifactId>
            <version>${spring.security.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-config</artifactId>
            <version>${spring.security.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-web</artifactId>
            <version>${spring.security.version}</version>
        </dependency>

不确定这里发生了什么。任何帮助表示赞赏。我的 woprkspcae 中还有其他项目使用不同版本的 spring。我不确定这是否会导致问题

Answer 1

类路径中的 spring-core 和 spring-test 版本不兼容。

因此您必须确保它们是相同的版本(例如，都是 4.3.5.RELEASE)。

mvn dependency:tree -Dverbose 应该可以帮助您追踪竞争版本被引入的位置。