刚搭建springboot环境 这个问题是啥意思？

Question

"C:\Program Files\Java\jdk1.8.0_333\bin\java.exe" "-javaagent:E:\IDEA\IntelliJ IDEA Community Edition 2021.3.3\lib\idea_rt.jar=49195:E:\IDEA\IntelliJ IDEA Community Edition 2021.3.3\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_333\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_333\jre\lib\rt.jar;C:\Users\26071\IdeaProjects\untitled1\target\classes;C:\Users\26071\.m2\repository\org\springframework\boot\spring-boot-starter\2.6.6\spring-boot-starter-2.6.6.jar;C:\Users\26071\.m2\repository\org\springframework\boot\spring-boot\2.6.6\spring-boot-2.6.6.jar;C:\Users\26071\.m2\repository\org\springframework\spring-context\5.3.18\spring-context-5.3.18.jar;C:\Users\26071\.m2\repository\org\springframework\spring-aop\5.3.18\spring-aop-5.3.18.jar;C:\Users\26071\.m2\repository\org\springframework\spring-beans\5.3.18\spring-beans-5.3.18.jar;C:\Users\26071\.m2\repository\org\springframework\spring-expression\5.3.18\spring-expression-5.3.18.jar;C:\Users\26071\.m2\repository\org\springframework\boot\spring-boot-autoconfigure\2.6.6\spring-boot-autoconfigure-2.6.6.jar;C:\Users\26071\.m2\repository\org\springframework\boot\spring-boot-starter-logging\2.6.6\spring-boot-starter-logging-2.6.6.jar;C:\Users\26071\.m2\repository\ch\qos\logback\logback-classic\1.2.11\logback-classic-1.2.11.jar;C:\Users\26071\.m2\repository\ch\qos\logback\logback-core\1.2.11\logback-core-1.2.11.jar;C:\Users\26071\.m2\repository\org\slf4j\slf4j-api\1.7.36\slf4j-api-1.7.36.jar;C:\Users\26071\.m2\repository\org\apache\logging\log4j\log4j-to-slf4j\2.17.2\log4j-to-slf4j-2.17.2.jar;C:\Users\26071\.m2\repository\org\apache\logging\log4j\log4j-api\2.17.2\log4j-api-2.17.2.jar;C:\Users\26071\.m2\repository\org\slf4j\jul-to-slf4j\1.7.36\jul-to-slf4j-1.7.36.jar;C:\Users\26071\.m2\repository\jakarta\annotation\jakarta.annotation-api\1.3.5\jakarta.annotation-api-1.3.5.jar;C:\Users\26071\.m2\repository\org\springframework\spring-core\5.3.18\spring-core-5.3.18.jar;C:\Users\26071\.m2\repository\org\springframework\spring-jcl\5.3.18\spring-jcl-5.3.18.jar;C:\Users\26071\.m2\repository\org\yaml\snakeyaml\1.29\snakeyaml-1.29.jar;C:\Users\26071\.m2\repository\org\mybatis\spring\boot\mybatis-spring-boot-starter\2.2.2\mybatis-spring-boot-starter-2.2.2.jar;C:\Users\26071\.m2\repository\org\springframework\boot\spring-boot-starter-jdbc\2.6.6\spring-boot-starter-jdbc-2.6.6.jar;C:\Users\26071\.m2\repository\com\zaxxer\HikariCP\4.0.3\HikariCP-4.0.3.jar;C:\Users\26071\.m2\repository\org\springframework\spring-jdbc\5.3.18\spring-jdbc-5.3.18.jar;C:\Users\26071\.m2\repository\org\springframework\spring-tx\5.3.18\spring-tx-5.3.18.jar;C:\Users\26071\.m2\repository\org\mybatis\spring\boot\mybatis-spring-boot-autoconfigure\2.2.2\mybatis-spring-boot-autoconfigure-2.2.2.jar;C:\Users\26071\.m2\repository\org\mybatis\mybatis\3.5.9\mybatis-3.5.9.jar;C:\Users\26071\.m2\repository\org\mybatis\mybatis-spring\2.0.7\mybatis-spring-2.0.7.jar;C:\Users\26071\.m2\repository\mysql\mysql-connector-java\8.0.28\mysql-connector-java-8.0.28.jar" MyApplication

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::                (v2.6.6)

2022-07-13 18:18:15.463  INFO 23008 --- [           main] MyApplication                            : Starting MyApplication using Java 1.8.0_333 on Wzh with PID 23008 (C:\Users\26071\IdeaProjects\untitled1\target\classes started by 26071 in C:\Users\26071\IdeaProjects\untitled1)
2022-07-13 18:18:15.465  INFO 23008 --- [           main] MyApplication                            : No active profile set, falling back to 1 default profile: "default"
2022-07-13 18:18:15.517  WARN 23008 --- [           main] ionWarningsApplicationContextInitializer : 

** WARNING ** : Your ApplicationContext is unlikely to start due to a @ComponentScan of the default package.


2022-07-13 18:18:22.023  WARN 23008 --- [           main] s.c.a.AnnotationConfigApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanDefinitionStoreException: Failed to read candidate component class: URL [jar:file:/C:/Users/26071/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.6.6/spring-boot-autoconfigure-2.6.6.jar!/org/springframework/boot/autoconfigure/r2dbc/ConnectionFactoryConfigurations$PoolConfiguration.class]; nested exception is java.lang.IllegalStateException: Could not evaluate condition on org.springframework.boot.autoconfigure.r2dbc.ConnectionFactoryConfigurations$PoolConfiguration due to io/r2dbc/spi/ValidationDepth not found. Make sure your own configuration does not rely on that class. This can also happen if you are @ComponentScanning a springframework package (e.g. if you put a @ComponentScan in the default package by mistake)
2022-07-13 18:18:22.027  INFO 23008 --- [           main] ConditionEvaluationReportLoggingListener : 

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2022-07-13 18:18:22.045 ERROR 23008 --- [           main] o.s.boot.SpringApplication               : Application run failed

org.springframework.beans.factory.BeanDefinitionStoreException: Failed to read candidate component class: URL [jar:file:/C:/Users/26071/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.6.6/spring-boot-autoconfigure-2.6.6.jar!/org/springframework/boot/autoconfigure/r2dbc/ConnectionFactoryConfigurations$PoolConfiguration.class]; nested exception is java.lang.IllegalStateException: Could not evaluate condition on org.springframework.boot.autoconfigure.r2dbc.ConnectionFactoryConfigurations$PoolConfiguration due to io/r2dbc/spi/ValidationDepth not found. Make sure your own configuration does not rely on that class. This can also happen if you are @ComponentScanning a springframework package (e.g. if you put a @ComponentScan in the default package by mistake)
    at org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.scanCandidateComponents(ClassPathScanningCandidateComponentProvider.java:457) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.findCandidateComponents(ClassPathScanningCandidateComponentProvider.java:316) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ClassPathBeanDefinitionScanner.doScan(ClassPathBeanDefinitionScanner.java:276) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ComponentScanAnnotationParser.parse(ComponentScanAnnotationParser.java:128) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:296) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:250) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:207) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:175) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:331) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:247) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:311) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:112) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:746) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:564) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:740) [spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:415) [spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:303) [spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1312) [spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1301) [spring-boot-2.6.6.jar:2.6.6]
    at MyApplication.main(MyApplication.java:11) [classes/:na]
Caused by: java.lang.IllegalStateException: Could not evaluate condition on org.springframework.boot.autoconfigure.r2dbc.ConnectionFactoryConfigurations$PoolConfiguration due to io/r2dbc/spi/ValidationDepth not found. Make sure your own configuration does not rely on that class. This can also happen if you are @ComponentScanning a springframework package (e.g. if you put a @ComponentScan in the default package by mistake)
    at org.springframework.boot.autoconfigure.condition.SpringBootCondition.matches(SpringBootCondition.java:54) ~[spring-boot-autoconfigure-2.6.6.jar:2.6.6]
    at org.springframework.context.annotation.ConditionEvaluator.shouldSkip(ConditionEvaluator.java:108) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ConditionEvaluator.shouldSkip(ConditionEvaluator.java:88) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ConditionEvaluator.shouldSkip(ConditionEvaluator.java:71) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.isConditionMatch(ClassPathScanningCandidateComponentProvider.java:512) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.isCandidateComponent(ClassPathScanningCandidateComponentProvider.java:495) ~[spring-context-5.3.18.jar:5.3.18]
    at org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.scanCandidateComponents(ClassPathScanningCandidateComponentProvider.java:430) ~[spring-context-5.3.18.jar:5.3.18]
    ... 19 common frames omitted
Caused by: java.lang.NoClassDefFoundError: io/r2dbc/spi/ValidationDepth
    at java.lang.Class.getDeclaredMethods0(Native Method) ~[na:1.8.0_333]
    at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[na:1.8.0_333]
    at java.lang.Class.getDeclaredMethods(Class.java:1975) ~[na:1.8.0_333]
    at org.springframework.boot.context.properties.bind.JavaBeanBinder$Bean.getSorted(JavaBeanBinder.java:140) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.context.properties.bind.JavaBeanBinder$Bean.addProperties(JavaBeanBinder.java:132) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.context.properties.bind.JavaBeanBinder$Bean.<init>(JavaBeanBinder.java:127) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.context.properties.bind.JavaBeanBinder$Bean.get(JavaBeanBinder.java:226) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.context.properties.bind.JavaBeanBinder.bind(JavaBeanBinder.java:54) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.context.properties.bind.Binder.lambda$bindDataObject$5(Binder.java:473) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.context.properties.bind.Binder$Context.withIncreasedDepth(Binder.java:587) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.context.properties.bind.Binder$Context.withDataObject(Binder.java:573) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.context.properties.bind.Binder$Context.access$300(Binder.java:534) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.context.properties.bind.Binder.bindDataObject(Binder.java:471) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.context.properties.bind.Binder.bindObject(Binder.java:411) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.context.properties.bind.Binder.bind(Binder.java:340) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.context.properties.bind.Binder.bind(Binder.java:329) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.context.properties.bind.Binder.bind(Binder.java:259) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.context.properties.bind.Binder.bind(Binder.java:220) ~[spring-boot-2.6.6.jar:2.6.6]
    at org.springframework.boot.autoconfigure.r2dbc.ConnectionFactoryConfigurations$PooledConnectionFactoryCondition.getMatchOutcome(ConnectionFactoryConfigurations.java:138) ~[spring-boot-autoconfigure-2.6.6.jar:2.6.6]
    at org.springframework.boot.autoconfigure.condition.SpringBootCondition.matches(SpringBootCondition.java:47) ~[spring-boot-autoconfigure-2.6.6.jar:2.6.6]
    ... 25 common frames omitted
Caused by: java.lang.ClassNotFoundException: io.r2dbc.spi.ValidationDepth
    at java.net.URLClassLoader.findClass(URLClassLoader.java:387) ~[na:1.8.0_333]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[na:1.8.0_333]
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355) ~[na:1.8.0_333]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[na:1.8.0_333]
    ... 45 common frames omitted


Process finished with exit code 1

Answer 1

This can also happen if you are @ComponentScanning a springframework package (e.g. if you put a @ComponentScan in the default package by mistake)