stringboot 报错 org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration 可能是jar版本不对 或者是maven 写错了

stringboot 报错 org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration

java.lang.IllegalArgumentException: Could not find class [org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration]
	at org.springframework.util.ClassUtils.resolveClassName(ClassUtils.java:334) ~[spring-core-5.3.17.jar:5.3.17]
	at org.springframework.core.annotation.TypeMappedAnnotation.adapt(TypeMappedAnnotation.java:446) ~[spring-core-5.3.17.jar:5.3.17]
	at org.springframework.core.annotation.TypeMappedAnnotation.getValue(TypeMappedAnnotation.java:369) ~[spring-core-5.3.17.jar:5.3.17]
	at org.springframework.core.annotation.TypeMappedAnnotation.asMap(TypeMappedAnnotation.java:284) ~[spring-core-5.3.17.jar:5.3.17]
	at org.springframework.core.annotation.AbstractMergedAnnotation.asAnnotationAttributes(AbstractMergedAnnotation.java:193) ~[spring-core-5.3.17.jar:5.3.17]
	at org.springframework.core.type.AnnotatedTypeMetadata.getAnnotationAttributes(AnnotatedTypeMetadata.java:106) ~[spring-core-5.3.17.jar:5.3.17]
	at org.springframework.core.type.AnnotatedTypeMetadata.getAnnotationAttributes(AnnotatedTypeMetadata.java:81) ~[spring-core-5.3.17.jar:5.3.17]
	at org.springframework.context.annotation.AnnotationConfigUtils.attributesFor(AnnotationConfigUtils.java:285) ~[spring-context-5.3.17.jar:5.3.17]
	at org.springframework.context.annotation.AnnotationBeanNameGenerator.determineBeanNameFromAnnotation(AnnotationBeanNameGenerator.java:103) ~[spring-context-5.3.17.jar:5.3.17]
	at org.springframework.context.annotation.AnnotationBeanNameGenerator.generateBeanName(AnnotationBeanNameGenerator.java:82) ~[spring-context-5.3.17.jar:5.3.17]
	at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.registerBeanDefinitionForImportedConfigurationClass(ConfigurationClassBeanDefinitionReader.java:169) ~[spring-context-5.3.17.jar:5.3.17]
	at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass(ConfigurationClassBeanDefinitionReader.java:150) ~[spring-context-5.3.17.jar:5.3.17]
	at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions(ConfigurationClassBeanDefinitionReader.java:129) ~[spring-context-5.3.17.jar:5.3.17]
	at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:343) ~[spring-context-5.3.17.jar:5.3.17]
	at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:247) ~[spring-context-5.3.17.jar:5.3.17]
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:311) ~[spring-context-5.3.17.jar:5.3.17]
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:112) ~[spring-context-5.3.17.jar:5.3.17]
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:746) ~[spring-context-5.3.17.jar:5.3.17]
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:564) ~[spring-context-5.3.17.jar:5.3.17]
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.6.5.jar:2.6.5]
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:740) [spring-boot-2.6.5.jar:2.6.5]
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:415) [spring-boot-2.6.5.jar:2.6.5]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:303) [spring-boot-2.6.5.jar:2.6.5]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1312) [spring-boot-2.6.5.jar:2.6.5]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1301) [spring-boot-2.6.5.jar:2.6.5]
	at com.example.easypoidemo.EasypoidemoApplication.main(EasypoidemoApplication.java:12) [classes/:na]
Caused by: java.lang.ClassNotFoundException: org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_161]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_161]
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338) ~[na:1.8.0_161]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_161]
	at java.lang.Class.forName0(Native Method) ~[na:1.8.0_161]
	at java.lang.Class.forName(Class.java:348) ~[na:1.8.0_161]
	at org.springframework.util.ClassUtils.forName(ClassUtils.java:284) ~[spring-core-5.3.17.jar:5.3.17]
	at org.springframework.util.ClassUtils.resolveClassName(ClassUtils.java:324) ~[spring-core-5.3.17.jar:5.3.17]
	... 25 common frames omitted
Disconnected from the target VM, address: '127.0.0.1:49796', transport: 'socket'
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不要怀疑了 检查jar吧 基本都是jar的问题 可能是jar版本不对 或者是maven 写错了


比如我就改版本就可以

百度的方法基本都试过了 什么UTF-8 什么修改各种注解 检查各种mapper.xml等等。。。都没有用

小白问题 由于很久没有搭建过项目 基础简单的问题都不知道怎么解决 惭愧惭愧！！！！！

https://blog.csdn.net/qq_42862247/article/details/123793318