运行AreaDaoTest报错了，这是什么原因？

java.lang.IllegalStateException: Failed to load ApplicationContext

at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:125)

at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:108)

at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:190)

at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:132)

at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:246)

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227)

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289)

at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291)

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246)

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)

at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)

at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)

at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)

at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)

at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)

at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)

at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)

at org.junit.runners.ParentRunner.run(ParentRunner.java:363)

at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)

at org.junit.runner.JUnitCore.run(JUnitCore.java:137)

at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)

at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)

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.IllegalStateException: Failed to introspect Class [com.df.demo.config.dao.SessionFactoryConfiguration] from ClassLoader [jdk.internal.loader.ClassLoaders$AppClassLoader@4629104a]

at org.springframework.util.ReflectionUtils.getDeclaredFields(ReflectionUtils.java:758)

at org.springframework.util.ReflectionUtils.doWithFields(ReflectionUtils.java:723)

at org.springframework.util.ReflectionUtils.doWithFields(ReflectionUtils.java:708)

at org.springframework.boot.test.mock.mockito.DefinitionsParser.parse(DefinitionsParser.java:62)

at org.springframework.boot.test.mock.mockito.MockitoPostProcessor.postProcessBeanFactory(MockitoPostProcessor.java:139)

at org.springframework.boot.test.mock.mockito.MockitoPostProcessor.postProcessBeanFactory(MockitoPostProcessor.java:131)

at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:284)

at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:172)

at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:694)

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:532)

at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)

at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:327)

at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:138)

at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99)

at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117)

... 24 more

Caused by: java.lang.NoClassDefFoundError: Ljavax/activation/DataSource;

at java.base/java.lang.Class.getDeclaredFields0(Native Method)

at java.base/java.lang.Class.privateGetDeclaredFields(Class.java:3014)

at java.base/java.lang.Class.getDeclaredFields(Class.java:2207)

at org.springframework.util.ReflectionUtils.getDeclaredFields(ReflectionUtils.java:753)

... 39 more

Caused by: java.lang.ClassNotFoundException: javax.activation.DataSource

at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)

at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:190)

at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499)

... 43 more