Spring Junit 4错误 Could not load CacheAwareContextLoaderDelegate

Question

我在web项目下建了test
运行test
发现错误如下：

Connected to the target VM, address: '127.0.0.1:52453', transport: 'socket'

java.lang.IllegalStateException: Could not load CacheAwareContextLoaderDelegate    [class org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate]

at org.springframework.test.context.BootstrapUtils.createCacheAwareContextLoaderDelegate(BootstrapUtils.java:101)
at org.springframework.test.context.BootstrapUtils.createBootstrapContext(BootstrapUtils.java:70)
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: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.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:51)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)

Caused by: java.lang.NoClassDefFoundError: org/springframework/core/SpringProperties

at org.springframework.test.context.cache.ContextCacheUtils.retrieveMaxCacheSize(ContextCacheUtils.java:41)
at org.springframework.test.context.cache.DefaultContextCache.<init>(DefaultContextCache.java:89)
at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.<clinit>(DefaultCacheAwareContextLoaderDelegate.java:48)
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.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:148)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:105)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:130)
at org.springframework.test.context.BootstrapUtils.createCacheAwareContextLoaderDelegate(BootstrapUtils.java:98)
... 19 more

Caused by: java.lang.ClassNotFoundException: org.springframework.core.SpringProperties

at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 30 more

Disconnected from the target VM, address: '127.0.0.1:52453', transport: 'socket'

Process finished with exit code -1

怎么回事啊？

pom里的依赖：

<dependency>
  <groupId>junit</groupId>
  <artifactId>junit</artifactId>
  <version>4.12</version>
  <scope>test</scope>
</dependency>

<!-- https://mvnrepository.com/artifact/org.springframework/spring-test -->
<dependency>
  <groupId>org.springframework</groupId>
  <artifactId>spring-test</artifactId>
  <version>4.3.4.RELEASE</version>
  <scope>test</scope>
</dependency>

测试代码：

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath*:applicationContext.xml")
   public class TestOne { 
   
       @Resource(name = "redisTemplate")
       private RedisTemplate<String, String> template;   
        
      @Test
      public void dosomething() {
      template.opsForValue().set("temp1", "value");
   }
}

Answer 1

spring-core与spring-test版本冲突出错吧。
版本号改成相同即可。
建议写成
pom.xml建议写成

<dependency>

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

</dependency>
<dependency>

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

</dependency>

Answer 2

spring-test 也需要其他spring基础jar包的支持，引入一下就没问题了

Answer 3

spring-test 依赖 spring-core，你没有引入这个包，所以抛出java.lang.ClassNotFoundException: org.springframework.core.SpringProperties

    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-core</artifactId>
        <version>4.3.4.RELEASE</version>
    </dependency>