springboot 启动报错 java.lang.IllegalStateException: Failed to introspect annotated methods on class org

idea启动springboot +maven项目报错：

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 :: Spring Boot ::        (v1.4.1.RELEASE)
[ INFO ] [2017-11-03 14:50:17:017] com.taikang.Application [48] [main]- Starting Application on WMM with PID 4384 (started by Administrator in G:workspace-sIdeaProjectshello)
[ INFO ] [2017-11-03 14:50:17:017] com.taikang.Application [665] [main]- The following profiles are active: DEV
[ INFO ] [2017-11-03 14:50:17:017] org.hibernate.validator.internal.util.Version [30] [background-preinit]- HV000001: Hibernate Validator 5.2.4.Final
[ INFO ] [2017-11-03 14:50:18:018] org.springframework.context.annotation.AnnotationConfigApplicationContext [581] [main]- Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@bdd8f7: startup date [Fri Nov 03 14:50:18 CST 2017]; root of context hierarchy
[ WARN ] [2017-11-03 14:50:18:018] org.springframework.context.annotation.AnnotationConfigApplicationContext [549] [main]- Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [com.taikang.Application]; nested exception is java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.support.SpringBootServletInitializer
Disconnected from the target VM, address: '127.0.0.1:60450', transport: 'socket'
[ ERROR] [2017-11-03 14:50:18:018] org.springframework.boot.SpringApplication [839] [main]- Application startup failed
org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [com.taikang.Application]; nested exception is java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.support.SpringBootServletInitializer
	at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:187)
	at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:324)
	at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:246)
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:273)
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:98)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:681)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:523)
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:761)
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:371)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1186)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1175)
	at com.taikang.Application.main(Application.java:36)
Caused by: java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.support.SpringBootServletInitializer
	at org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods(StandardAnnotationMetadata.java:163)
	at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:301)
	at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:237)
	at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:204)
	at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:173)
	... 12 common frames omitted
Caused by: java.lang.NoClassDefFoundError: javax/servlet/ServletContext
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2615)
	at java.lang.Class.getDeclaredMethods(Class.java:1860)
	at org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods(StandardAnnotationMetadata.java:152)
	... 16 common frames omitted
Caused by: java.lang.ClassNotFoundException: javax.servlet.ServletContext
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	... 20 common frames omitted
Process finished with exit code 1

解决办法：

点此参考地址打开连接：https://stackoverflow.com/questions/37938289/spring-boot-java-lang-classnotfoundexception-javax-servlet-servletcontext-and

pom.xml中的

In maven, I changed the scope like this: <scope>provided</scope> to <scope>compile</scope> and it worked!!. 

In maven, I changed the scope like this: <scope>provided</scope> to <scope>compile</scope> and it worked!!. 

原文地址：https://blog.csdn.net/qq_32198005/article/details/78435648