1、起因，启动SpringBoot2.0的时候报了这个错误。说找不到类，咱也是刚学SpringBoot2.0，咱也不懂，咱也不知道问谁，研究一翻，找不到原因就百度了。
参考链接：https://blog.csdn.net/sswqzx/article/details/87432287
报错如下所示：
1 "C:\Program Files\Java\jdk1.8.0_161\bin\java.exe" -ea -Didea.test.cyclic.buffer.size=1048576 -javaagent:D:\biehl\idea\lib\idea_rt.jar=57225:D:\biehl\idea\bin -Dfile.encoding=UTF-8 -classpath "D:\biehl\idea\lib\idea_rt.jar;D:\biehl\idea\plugins\junit\lib\junit-rt.jar;D:\biehl\idea\plugins\junit\lib\junit5-rt.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_161\jre\lib\rt.jar;D:\biehl\idea\workspace\dinner\target\test-classes;D:\biehl\idea\workspace\dinner\target\classes;D:\maven\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-starter-web\2.1.6.RELEASE\spring-boot-starter-web-2.1.6.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-starter\2.1.6.RELEASE\spring-boot-starter-2.1.6.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot\2.1.6.RELEASE\spring-boot-2.1.6.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-autoconfigure\2.1.6.RELEASE\spring-boot-autoconfigure-2.1.6.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-starter-logging\2.1.6.RELEASE\spring-boot-starter-logging-2.1.6.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\ch\qos\logback\logback-classic\1.2.3\logback-classic-1.2.3.jar;D:\maven\apache-maven-3.5.4\repository\ch\qos\logback\logback-core\1.2.3\logback-core-1.2.3.jar;D:\maven\apache-maven-3.5.4\repository\org\apache\logging\log4j\log4j-to-slf4j\2.11.2\log4j-to-slf4j-2.11.2.jar;D:\maven\apache-maven-3.5.4\repository\org\apache\logging\log4j\log4j-api\2.11.2\log4j-api-2.11.2.jar;D:\maven\apache-maven-3.5.4\repository\org\slf4j\jul-to-slf4j\1.7.26\jul-to-slf4j-1.7.26.jar;D:\maven\apache-maven-3.5.4\repository\javax\annotation\javax.annotation-api\1.3.2\javax.annotation-api-1.3.2.jar;D:\maven\apache-maven-3.5.4\repository\org\yaml\snakeyaml\1.23\snakeyaml-1.23.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-starter-json\2.1.6.RELEASE\spring-boot-starter-json-2.1.6.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\com\fasterxml\jackson\core\jackson-databind\2.9.9\jackson-databind-2.9.9.jar;D:\maven\apache-maven-3.5.4\repository\com\fasterxml\jackson\core\jackson-annotations\2.9.0\jackson-annotations-2.9.0.jar;D:\maven\apache-maven-3.5.4\repository\com\fasterxml\jackson\core\jackson-core\2.9.9\jackson-core-2.9.9.jar;D:\maven\apache-maven-3.5.4\repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.9.9\jackson-datatype-jdk8-2.9.9.jar;D:\maven\apache-maven-3.5.4\repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.9.9\jackson-datatype-jsr310-2.9.9.jar;D:\maven\apache-maven-3.5.4\repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.9.9\jackson-module-parameter-names-2.9.9.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-starter-tomcat\2.1.6.RELEASE\spring-boot-starter-tomcat-2.1.6.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\apache\tomcat\embed\tomcat-embed-core\9.0.21\tomcat-embed-core-9.0.21.jar;D:\maven\apache-maven-3.5.4\repository\org\apache\tomcat\embed\tomcat-embed-el\9.0.21\tomcat-embed-el-9.0.21.jar;D:\maven\apache-maven-3.5.4\repository\org\apache\tomcat\embed\tomcat-embed-websocket\9.0.21\tomcat-embed-websocket-9.0.21.jar;D:\maven\apache-maven-3.5.4\repository\org\hibernate\validator\hibernate-validator\6.0.17.Final\hibernate-validator-6.0.17.Final.jar;D:\maven\apache-maven-3.5.4\repository\javax\validation\validation-api\2.0.1.Final\validation-api-2.0.1.Final.jar;D:\maven\apache-maven-3.5.4\repository\org\jboss\logging\jboss-logging\3.3.2.Final\jboss-logging-3.3.2.Final.jar;D:\maven\apache-maven-3.5.4\repository\com\fasterxml\classmate\1.4.0\classmate-1.4.0.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\spring-web\5.1.8.RELEASE\spring-web-5.1.8.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\spring-webmvc\5.1.8.RELEASE\spring-webmvc-5.1.8.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\spring-aop\5.1.8.RELEASE\spring-aop-5.1.8.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\spring-context\5.1.8.RELEASE\spring-context-5.1.8.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\spring-expression\5.1.8.RELEASE\spring-expression-5.1.8.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-starter-test\2.1.6.RELEASE\spring-boot-starter-test-2.1.6.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-test\2.1.6.RELEASE\spring-boot-test-2.1.6.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-test-autoconfigure\2.1.6.RELEASE\spring-boot-test-autoconfigure-2.1.6.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\com\jayway\jsonpath\json-path\2.4.0\json-path-2.4.0.jar;D:\maven\apache-maven-3.5.4\repository\net\minidev\json-smart\2.3\json-smart-2.3.jar;D:\maven\apache-maven-3.5.4\repository\net\minidev\accessors-smart\1.2\accessors-smart-1.2.jar;D:\maven\apache-maven-3.5.4\repository\org\ow2\asm\asm\5.0.4\asm-5.0.4.jar;D:\maven\apache-maven-3.5.4\repository\junit\junit\4.12\junit-4.12.jar;D:\maven\apache-maven-3.5.4\repository\org\assertj\assertj-core\3.11.1\assertj-core-3.11.1.jar;D:\maven\apache-maven-3.5.4\repository\org\mockito\mockito-core\2.23.4\mockito-core-2.23.4.jar;D:\maven\apache-maven-3.5.4\repository\net\bytebuddy\byte-buddy\1.9.13\byte-buddy-1.9.13.jar;D:\maven\apache-maven-3.5.4\repository\net\bytebuddy\byte-buddy-agent\1.9.13\byte-buddy-agent-1.9.13.jar;D:\maven\apache-maven-3.5.4\repository\org\objenesis\objenesis\2.6\objenesis-2.6.jar;D:\maven\apache-maven-3.5.4\repository\org\hamcrest\hamcrest-core\1.3\hamcrest-core-1.3.jar;D:\maven\apache-maven-3.5.4\repository\org\hamcrest\hamcrest-library\1.3\hamcrest-library-1.3.jar;D:\maven\apache-maven-3.5.4\repository\org\skyscreamer\jsonassert\1.5.0\jsonassert-1.5.0.jar;D:\maven\apache-maven-3.5.4\repository\com\vaadin\external\google\android-json\0.0.20131108.vaadin1\android-json-0.0.20131108.vaadin1.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\spring-core\5.1.8.RELEASE\spring-core-5.1.8.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\spring-jcl\5.1.8.RELEASE\spring-jcl-5.1.8.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\spring-test\5.1.8.RELEASE\spring-test-5.1.8.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\xmlunit\xmlunit-core\2.6.2\xmlunit-core-2.6.2.jar;D:\maven\apache-maven-3.5.4\repository\org\projectlombok\lombok\1.18.8\lombok-1.18.8.jar;D:\maven\apache-maven-3.5.4\repository\mysql\mysql-connector-java\8.0.16\mysql-connector-java-8.0.16.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-starter-data-jpa\2.1.6.RELEASE\spring-boot-starter-data-jpa-2.1.6.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-starter-aop\2.1.6.RELEASE\spring-boot-starter-aop-2.1.6.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\aspectj\aspectjweaver\1.9.4\aspectjweaver-1.9.4.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\boot\spring-boot-starter-jdbc\2.1.6.RELEASE\spring-boot-starter-jdbc-2.1.6.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\com\zaxxer\HikariCP\3.2.0\HikariCP-3.2.0.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\spring-jdbc\5.1.8.RELEASE\spring-jdbc-5.1.8.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\javax\transaction\javax.transaction-api\1.3\javax.transaction-api-1.3.jar;D:\maven\apache-maven-3.5.4\repository\javax\xml\bind\jaxb-api\2.3.1\jaxb-api-2.3.1.jar;D:\maven\apache-maven-3.5.4\repository\javax\activation\javax.activation-api\1.2.0\javax.activation-api-1.2.0.jar;D:\maven\apache-maven-3.5.4\repository\org\hibernate\hibernate-core\5.3.10.Final\hibernate-core-5.3.10.Final.jar;D:\maven\apache-maven-3.5.4\repository\javax\persistence\javax.persistence-api\2.2\javax.persistence-api-2.2.jar;D:\maven\apache-maven-3.5.4\repository\org\javassist\javassist\3.23.2-GA\javassist-3.23.2-GA.jar;D:\maven\apache-maven-3.5.4\repository\antlr\antlr\2.7.7\antlr-2.7.7.jar;D:\maven\apache-maven-3.5.4\repository\org\jboss\jandex\2.0.5.Final\jandex-2.0.5.Final.jar;D:\maven\apache-maven-3.5.4\repository\org\dom4j\dom4j\2.1.1\dom4j-2.1.1.jar;D:\maven\apache-maven-3.5.4\repository\org\hibernate\common\hibernate-commons-annotations\5.0.4.Final\hibernate-commons-annotations-5.0.4.Final.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\data\spring-data-jpa\2.1.9.RELEASE\spring-data-jpa-2.1.9.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\spring-orm\5.1.8.RELEASE\spring-orm-5.1.8.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\spring-tx\5.1.8.RELEASE\spring-tx-5.1.8.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\spring-aspects\5.1.8.RELEASE\spring-aspects-5.1.8.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\data\spring-data-commons\2.0.9.RELEASE\spring-data-commons-2.0.9.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\springframework\spring-beans\5.1.8.RELEASE\spring-beans-5.1.8.RELEASE.jar;D:\maven\apache-maven-3.5.4\repository\org\slf4j\slf4j-api\1.7.26\slf4j-api-1.7.26.jar" com.intellij.rt.execution.junit.JUnitStarter -ideVersion5 -junit4 com.bie.dinner.dao.ProductCategoryDaoTest,getOneProductCategory 2 17:55:18.393 [main] DEBUG org.springframework.test.context.junit4.SpringJUnit4ClassRunner - SpringJUnit4ClassRunner constructor called with [class com.bie.dinner.dao.ProductCategoryDaoTest] 3 17:55:18.413 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating CacheAwareContextLoaderDelegate from class [org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate] 4 17:55:18.454 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating BootstrapContext using constructor [public org.springframework.test.context.support.DefaultBootstrapContext(java.lang.Class,org.springframework.test.context.CacheAwareContextLoaderDelegate)] 5 17:55:18.543 [main] DEBUG org.springframework.test.context.BootstrapUtils - Instantiating TestContextBootstrapper for test class [com.bie.dinner.dao.ProductCategoryDaoTest] from class [org.springframework.boot.test.context.SpringBootTestContextBootstrapper] 6 17:55:18.605 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Neither @ContextConfiguration nor @ContextHierarchy found for test class [com.bie.dinner.dao.ProductCategoryDaoTest], using SpringBootContextLoader 7 17:55:18.617 [main] DEBUG org.springframework.test.context.support.AbstractContextLoader - Did not detect default resource location for test class [com.bie.dinner.dao.ProductCategoryDaoTest]: class path resource [com/bie/dinner/dao/ProductCategoryDaoTest-context.xml] does not exist 8 17:55:18.618 [main] DEBUG org.springframework.test.context.support.AbstractContextLoader - Did not detect default resource location for test class [com.bie.dinner.dao.ProductCategoryDaoTest]: class path resource [com/bie/dinner/dao/ProductCategoryDaoTestContext.groovy] does not exist 9 17:55:18.618 [main] INFO org.springframework.test.context.support.AbstractContextLoader - Could not detect default resource locations for test class [com.bie.dinner.dao.ProductCategoryDaoTest]: no resource found for suffixes {-context.xml, Context.groovy}. 10 17:55:18.621 [main] INFO org.springframework.test.context.support.AnnotationConfigContextLoaderUtils - Could not detect default configuration classes for test class [com.bie.dinner.dao.ProductCategoryDaoTest]: ProductCategoryDaoTest does not declare any static, non-private, non-final, nested classes annotated with @Configuration. 11 17:55:18.928 [main] DEBUG org.springframework.test.context.support.ActiveProfilesUtils - Could not find an 'annotation declaring class' for annotation type [org.springframework.test.context.ActiveProfiles] and class [com.bie.dinner.dao.ProductCategoryDaoTest] 12 17:55:19.258 [main] DEBUG org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider - Identified candidate component class: file [D:\biehl\idea\workspace\dinner\target\classes\com\bie\dinner\DinnerApplication.class] 13 17:55:19.260 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Found @SpringBootConfiguration com.bie.dinner.DinnerApplication for test class com.bie.dinner.dao.ProductCategoryDaoTest 14 17:55:19.722 [main] DEBUG org.springframework.boot.test.context.SpringBootTestContextBootstrapper - @TestExecutionListeners is not present for class [com.bie.dinner.dao.ProductCategoryDaoTest]: using defaults. 15 17:55:19.723 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Loaded default TestExecutionListener class names from location [META-INF/spring.factories]: [org.springframework.boot.test.mock.mockito.MockitoTestExecutionListener, org.springframework.boot.test.mock.mockito.ResetMocksTestExecutionListener, org.springframework.boot.test.autoconfigure.restdocs.RestDocsTestExecutionListener, org.springframework.boot.test.autoconfigure.web.client.MockRestServiceServerResetTestExecutionListener, org.springframework.boot.test.autoconfigure.web.servlet.MockMvcPrintOnlyOnFailureTestExecutionListener, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverTestExecutionListener, org.springframework.test.context.web.ServletTestExecutionListener, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener, org.springframework.test.context.support.DependencyInjectionTestExecutionListener, org.springframework.test.context.support.DirtiesContextTestExecutionListener, org.springframework.test.context.transaction.TransactionalTestExecutionListener, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener] 16 17:55:19.769 [main] INFO org.springframework.boot.test.context.SpringBootTestContextBootstrapper - Using TestExecutionListeners: [org.springframework.test.context.web.ServletTestExecutionListener@123ef382, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener@dbf57b3, org.springframework.boot.test.mock.mockito.MockitoTestExecutionListener@384ad17b, org.springframework.boot.test.autoconfigure.SpringBootDependencyInjectionTestExecutionListener@61862a7f, org.springframework.test.context.support.DirtiesContextTestExecutionListener@441772e, org.springframework.test.context.transaction.TransactionalTestExecutionListener@7334aada, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener@1d9b7cce, org.springframework.boot.test.mock.mockito.ResetMocksTestExecutionListener@4d9e68d0, org.springframework.boot.test.autoconfigure.restdocs.RestDocsTestExecutionListener@42e99e4a, org.springframework.boot.test.autoconfigure.web.client.MockRestServiceServerResetTestExecutionListener@14dd9eb7, org.springframework.boot.test.autoconfigure.web.servlet.MockMvcPrintOnlyOnFailureTestExecutionListener@52e6fdee, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverTestExecutionListener@6c80d78a] 17 17:55:19.784 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.bie.dinner.dao.ProductCategoryDaoTest] 18 17:55:19.786 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource] for class [com.bie.dinner.dao.ProductCategoryDaoTest]17:55:19.820 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.bie.dinner.dao.ProductCategoryDaoTest] 19 17:55:19.822 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource] for class [com.bie.dinner.dao.ProductCategoryDaoTest]17:55:19.825 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.bie.dinner.dao.ProductCategoryDaoTest] 20 17:55:19.826 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource] for class [com.bie.dinner.dao.ProductCategoryDaoTest] 21 17:55:19.828 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.bie.dinner.dao.ProductCategoryDaoTest] 22 17:55:19.829 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource] for class [com.bie.dinner.dao.ProductCategoryDaoTest] 23 17:55:19.842 [main] DEBUG org.springframework.test.context.support.AbstractDirtiesContextTestExecutionListener - Before test class: context [DefaultTestContext@222545dc testClass = ProductCategoryDaoTest, testInstance = [null], testMethod = [null], testException = [null], mergedContextConfiguration = [WebMergedContextConfiguration@5c5eefef testClass = ProductCategoryDaoTest, locations = '{}', classes = '{class com.bie.dinner.DinnerApplication}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true}', contextCustomizers = set[org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@4d41cee, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@33f88ab, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@3043fe0e, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@3d921e20], resourceBasePath = 'src/main/webapp', contextLoader = 'org.springframework.boot.test.context.SpringBootContextLoader', parent = [null]], attributes = map['org.springframework.test.context.web.ServletTestExecutionListener.activateListener' -> true]], class annotated with @DirtiesContext [false] with mode [null]. 24 17:55:19.843 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved @ProfileValueSourceConfiguration [null] for test class [com.bie.dinner.dao.ProductCategoryDaoTest] 25 17:55:19.844 [main] DEBUG org.springframework.test.annotation.ProfileValueUtils - Retrieved ProfileValueSource type [class org.springframework.test.annotation.SystemProfileValueSource] for class [com.bie.dinner.dao.ProductCategoryDaoTest] 26 17:55:20.016 [main] DEBUG org.springframework.test.context.support.TestPropertySourceUtils - Adding inlined properties to environment: {spring.jmx.enabled=false, org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true, server.port=-1} 27 28 . ____ _ __ _ _ 29 /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ 30 ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ 31 \\/ ___)| |_)| | | | | || (_| | ) ) ) ) 32 ' |____| .__|_| |_|_| |_\__, | / / / / 33 =========|_|==============|___/=/_/_/_/ 34 :: Spring Boot :: (v2.1.6.RELEASE) 35 36 17:55:22.402 default [main] INFO c.b.d.dao.ProductCategoryDaoTest Starting ProductCategoryDaoTest on DESKTOP-T450s with PID 15392 (started by Aiyufei in D:\biehl\idea\workspace\dinner) 37 17:55:22.409 default [main] INFO c.b.d.dao.ProductCategoryDaoTest No active profile set, falling back to default profiles: default 38 17:55:26.415 default [main] ERROR o.s.boot.SpringApplication Application run failed 39 java.lang.NoClassDefFoundError: org/springframework/data/repository/config/BootstrapMode 40 at java.lang.Class.getDeclaredMethods0(Native Method) 41 at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) 42 at java.lang.Class.getDeclaredMethods(Class.java:1975) 43 at sun.reflect.annotation.AnnotationType$1.run(AnnotationType.java:112) 44 at sun.reflect.annotation.AnnotationType$1.run(AnnotationType.java:109) 45 at java.security.AccessController.doPrivileged(Native Method) 46 at sun.reflect.annotation.AnnotationType.<init>(AnnotationType.java:109) 47 at sun.reflect.annotation.AnnotationType.getInstance(AnnotationType.java:85) 48 at sun.reflect.annotation.AnnotationParser.parseAnnotation2(AnnotationParser.java:266) 49 at sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:120) 50 at sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:72) 51 at java.lang.Class.createAnnotationData(Class.java:3521) 52 at java.lang.Class.annotationData(Class.java:3510) 53 at java.lang.Class.getAnnotations(Class.java:3446) 54 at org.springframework.core.type.StandardAnnotationMetadata.<init>(StandardAnnotationMetadata.java:70) 55 at org.springframework.boot.autoconfigure.data.AbstractRepositoryConfigurationSourceSupport.getConfigurationSource(AbstractRepositoryConfigurationSourceSupport.java:64) 56 at org.springframework.boot.autoconfigure.data.AbstractRepositoryConfigurationSourceSupport.registerBeanDefinitions(AbstractRepositoryConfigurationSourceSupport.java:58) 57 at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.lambda$loadBeanDefinitionsFromRegistrars$1(ConfigurationClassBeanDefinitionReader.java:364) 58 at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684) 59 at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsFromRegistrars(ConfigurationClassBeanDefinitionReader.java:363) 60 at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass(ConfigurationClassBeanDefinitionReader.java:145) 61 at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions(ConfigurationClassBeanDefinitionReader.java:117) 62 at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:327) 63 at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:232) 64 at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:275) 65 at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:95) 66 at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:705) 67 at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:531) 68 at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:742) 69 at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:389) 70 at org.springframework.boot.SpringApplication.run(SpringApplication.java:311) 71 at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:119) 72 at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99) 73 at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117) 74 at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:108) 75 at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:190) 76 at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:132) 77 at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:246) 78 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227) 79 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289) 80 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) 81 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291) 82 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246) 83 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97) 84 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) 85 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) 86 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) 87 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) 88 at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) 89 at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) 90 at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) 91 at org.junit.runners.ParentRunner.run(ParentRunner.java:363) 92 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190) 93 at org.junit.runner.JUnitCore.run(JUnitCore.java:137) 94 at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) 95 at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47) 96 at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) 97 at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) 98 Caused by: java.lang.ClassNotFoundException: org.springframework.data.repository.config.BootstrapMode 99 at java.net.URLClassLoader.findClass(URLClassLoader.java:381) 100 at java.lang.ClassLoader.loadClass(ClassLoader.java:424) 101 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338) 102 at java.lang.ClassLoader.loadClass(ClassLoader.java:357) 103 ... 58 common frames omitted 104 17:55:26.428 default [main] ERROR o.s.test.context.TestContextManager Caught exception while allowing TestExecutionListener [org.springframework.test.context.web.ServletTestExecutionListener@123ef382] to prepare test instance [com.bie.dinner.dao.ProductCategoryDaoTest@5dda6f9] 105 java.lang.NoClassDefFoundError: org/springframework/data/repository/config/BootstrapMode 106 at java.lang.Class.getDeclaredMethods0(Native Method) 107 at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) 108 at java.lang.Class.getDeclaredMethods(Class.java:1975) 109 at sun.reflect.annotation.AnnotationType$1.run(AnnotationType.java:112) 110 at sun.reflect.annotation.AnnotationType$1.run(AnnotationType.java:109) 111 at java.security.AccessController.doPrivileged(Native Method) 112 at sun.reflect.annotation.AnnotationType.<init>(AnnotationType.java:109) 113 at sun.reflect.annotation.AnnotationType.getInstance(AnnotationType.java:85) 114 at sun.reflect.annotation.AnnotationParser.parseAnnotation2(AnnotationParser.java:266) 115 at sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:120) 116 at sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:72) 117 at java.lang.Class.createAnnotationData(Class.java:3521) 118 at java.lang.Class.annotationData(Class.java:3510) 119 at java.lang.Class.getAnnotations(Class.java:3446) 120 at org.springframework.core.type.StandardAnnotationMetadata.<init>(StandardAnnotationMetadata.java:70) 121 at org.springframework.boot.autoconfigure.data.AbstractRepositoryConfigurationSourceSupport.getConfigurationSource(AbstractRepositoryConfigurationSourceSupport.java:64) 122 at org.springframework.boot.autoconfigure.data.AbstractRepositoryConfigurationSourceSupport.registerBeanDefinitions(AbstractRepositoryConfigurationSourceSupport.java:58) 123 at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.lambda$loadBeanDefinitionsFromRegistrars$1(ConfigurationClassBeanDefinitionReader.java:364) 124 at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684) 125 at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsFromRegistrars(ConfigurationClassBeanDefinitionReader.java:363) 126 at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass(ConfigurationClassBeanDefinitionReader.java:145) 127 at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions(ConfigurationClassBeanDefinitionReader.java:117) 128 at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:327) 129 at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:232) 130 at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:275) 131 at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:95) 132 at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:705) 133 at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:531) 134 at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:742) 135 at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:389) 136 at org.springframework.boot.SpringApplication.run(SpringApplication.java:311) 137 at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:119) 138 at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99) 139 at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117) 140 at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:108) 141 at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:190) 142 at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:132) 143 at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:246) 144 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227) 145 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289) 146 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) 147 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291) 148 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246) 149 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97) 150 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) 151 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) 152 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) 153 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) 154 at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) 155 at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) 156 at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) 157 at org.junit.runners.ParentRunner.run(ParentRunner.java:363) 158 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190) 159 at org.junit.runner.JUnitCore.run(JUnitCore.java:137) 160 at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) 161 at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47) 162 at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) 163 at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) 164 Caused by: java.lang.ClassNotFoundException: org.springframework.data.repository.config.BootstrapMode 165 at java.net.URLClassLoader.findClass(URLClassLoader.java:381) 166 at java.lang.ClassLoader.loadClass(ClassLoader.java:424) 167 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338) 168 at java.lang.ClassLoader.loadClass(ClassLoader.java:357) 169 ... 58 common frames omitted 170 171 java.lang.NoClassDefFoundError: org/springframework/data/repository/config/BootstrapMode 172 173 at java.lang.Class.getDeclaredMethods0(Native Method) 174 at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) 175 at java.lang.Class.getDeclaredMethods(Class.java:1975) 176 at sun.reflect.annotation.AnnotationType$1.run(AnnotationType.java:112) 177 at sun.reflect.annotation.AnnotationType$1.run(AnnotationType.java:109) 178 at java.security.AccessController.doPrivileged(Native Method) 179 at sun.reflect.annotation.AnnotationType.<init>(AnnotationType.java:109) 180 at sun.reflect.annotation.AnnotationType.getInstance(AnnotationType.java:85) 181 at sun.reflect.annotation.AnnotationParser.parseAnnotation2(AnnotationParser.java:266) 182 at sun.reflect.annotation.AnnotationParser.parseAnnotations2(AnnotationParser.java:120) 183 at sun.reflect.annotation.AnnotationParser.parseAnnotations(AnnotationParser.java:72) 184 at java.lang.Class.createAnnotationData(Class.java:3521) 185 at java.lang.Class.annotationData(Class.java:3510) 186 at java.lang.Class.getAnnotations(Class.java:3446) 187 at org.springframework.core.type.StandardAnnotationMetadata.<init>(StandardAnnotationMetadata.java:70) 188 at org.springframework.boot.autoconfigure.data.AbstractRepositoryConfigurationSourceSupport.getConfigurationSource(AbstractRepositoryConfigurationSourceSupport.java:64) 189 at org.springframework.boot.autoconfigure.data.AbstractRepositoryConfigurationSourceSupport.registerBeanDefinitions(AbstractRepositoryConfigurationSourceSupport.java:58) 190 at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.lambda$loadBeanDefinitionsFromRegistrars$1(ConfigurationClassBeanDefinitionReader.java:364) 191 at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684) 192 at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsFromRegistrars(ConfigurationClassBeanDefinitionReader.java:363) 193 at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass(ConfigurationClassBeanDefinitionReader.java:145) 194 at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions(ConfigurationClassBeanDefinitionReader.java:117) 195 at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:327) 196 at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:232) 197 at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:275) 198 at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:95) 199 at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:705) 200 at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:531) 201 at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:742) 202 at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:389) 203 at org.springframework.boot.SpringApplication.run(SpringApplication.java:311) 204 at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:119) 205 at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99) 206 at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117) 207 at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:108) 208 at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:190) 209 at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:132) 210 at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:246) 211 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227) 212 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289) 213 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) 214 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291) 215 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246) 216 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97) 217 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) 218 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) 219 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) 220 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) 221 at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) 222 at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) 223 at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) 224 at org.junit.runners.ParentRunner.run(ParentRunner.java:363) 225 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190) 226 at org.junit.runner.JUnitCore.run(JUnitCore.java:137) 227 at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) 228 at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47) 229 at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) 230 at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) 231 Caused by: java.lang.ClassNotFoundException: org.springframework.data.repository.config.BootstrapMode 232 at java.net.URLClassLoader.findClass(URLClassLoader.java:381) 233 at java.lang.ClassLoader.loadClass(ClassLoader.java:424) 234 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338) 235 at java.lang.ClassLoader.loadClass(ClassLoader.java:357) 236 ... 58 more 237 238 239 Process finished with exit code -1
报错原因：
我默认使用的是2.1.6.RELEASE版本的，可是呢，引用新的jar包指定了这个版本以后，就报错了，也是郁闷，注释或者删除就行了。
待续.......
