这期内容当中小编将会给大家带来有关低版本idea中SpringBoot项目启动失败后提示找不到 javax/servlet/ServletContext类该怎么解决，文章内容丰富且以专业的角度为大家分析和叙述，阅读完这篇文章希望大家可以有所收获。
今天新入职的小伙伴找我帮他看个问题，同样的springboot工程，同样都是用idea，在我们的电脑上启动正常，但是在他的电脑上就是不行，直接报错：java.lang.NoClassDefFoundError: javax/servlet/ServletContext，开始以为是没编译好，但是重新编译之后依旧不行。
详细错误信息如下：
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. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v1.5.3.RELEASE)
2020-07-13 17:32:02.265 [main] INFO com.sowin.frpx.FrpxApplication - Starting FrpxApplication on USERUQI-3VMPK83 with PID 9232 (started by Administrator in D:\我的文件\开发2\frpx)
2020-07-13 17:32:02.267 [main] DEBUG com.sowin.frpx.FrpxApplication - Running with Spring Boot v1.5.3.RELEASE, Spring v4.3.8.RELEASE
2020-07-13 17:32:02.267 [main] INFO com.sowin.frpx.FrpxApplication - The following profiles are active: dev
2020-07-13 17:32:02.434 [background-preinit] INFO org.hibernate.validator.internal.util.Version - HV000001: Hibernate Validator 5.3.5.Final
2020-07-13 17:32:02.462 [main] INFO o.s.c.a.AnnotationConfigApplicationContext - Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@134d26af: startup date [Mon Jul 13 17:32:02 CST 2020]; root of context hierarchy
2020-07-13 17:32:02.838 [main] WARN o.s.c.a.AnnotationConfigApplicationContext - Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [com.sowin.frpx.FrpxApplication]; nested exception is java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.support.SpringBootServletInitializer
2020-07-13 17:32:02.840 [main] ERROR o.s.b.factory.support.DefaultListableBeanFactory - Destroy method on bean with name 'org.springframework.boot.autoconfigure.internalCachingMetadataReaderFactory' threw an exception
java.lang.IllegalStateException: ApplicationEventMulticaster not initialized - call 'refresh' before multicasting events via the context: org.springframework.context.annotation.AnnotationConfigApplicationContext@134d26af: startup date [Mon Jul 13 17:32:02 CST 2020]; root of context hierarchy
at org.springframework.context.support.AbstractApplicationContext.getApplicationEventMulticaster(AbstractApplicationContext.java:404)
at org.springframework.context.support.ApplicationListenerDetector.postProcessBeforeDestruction(ApplicationListenerDetector.java:97)
at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:253)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroyBean(DefaultSingletonBeanRegistry.java:578)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingleton(DefaultSingletonBeanRegistry.java:554)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingleton(DefaultListableBeanFactory.java:961)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.destroySingletons(DefaultSingletonBeanRegistry.java:523)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.destroySingletons(DefaultListableBeanFactory.java:968)
at org.springframework.context.support.AbstractApplicationContext.destroyBeans(AbstractApplicationContext.java:1033)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:555)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:737)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:370)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:314)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1162)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1151)
at com.sowin.frpx.FrpxApplication.main(FrpxApplication.java:23)
2020-07-13 17:32:02.845 [main] ERROR org.springframework.boot.SpringApplication - Application startup failed
org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [com.sowin.frpx.FrpxApplication]; 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:181)
at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:308)
at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:228)
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:270)
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:93)
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:686)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:524)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:737)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:370)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:314)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1162)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1151)
at com.sowin.frpx.FrpxApplication.main(FrpxApplication.java:23)
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.retrieveBeanMethodMetadata(ConfigurationClassParser.java:380)
at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:314)
at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:245)
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:198)
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:167)
... 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:2701)
at java.lang.Class.getDeclaredMethods(Class.java:1975)
at org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods(StandardAnnotationMetadata.java:152)
... 17 common frames omitted
Caused by: java.lang.ClassNotFoundException: javax.servlet.ServletContext
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 21 common frames omitted
Disconnected from the target VM, address: '127.0.0.1:57010', transport: 'socket'
Process finished with exit code 1在网上查了一下，看到很多人提到pom文件中的jar包scope作用域问题，将scope设置为provided时，在打包时是不会被打进去的，而我们的工程中，由于要使用外部tomcat容器，所以屏蔽掉了springboot内嵌的tomcat。
但是当时觉着跟这次的问题不相关，也就没有怎么太在意，后来，同事换成eclipse之后，竟然把项目启动起来了。。。
看起来似乎是工具的问题，我就顺着这个方向继续查原因，发现在idea的“Edit Configurations”菜单中是可以进行设置maven的这个scope作用域的。
如下图所示：
红框所示之处，勾掉了之后，provided就不会生效了，运行时就会找不到依赖的jar包。
我赶紧跑到同事电脑上一看，点开之后却怎么都找不到上图红框中的设置，又是一番折腾，发现他的idea版本是2016，而我的是2020了。
上述就是小编为大家分享的低版本idea中SpringBoot项目启动失败后提示找不到 javax/servlet/ServletContext类该怎么解决了，如果刚好有类似的疑惑，不妨参照上述分析进行理解。如果想知道更多相关知识，欢迎关注亿速云行业资讯频道。
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原文链接：https://my.oschina.net/u/3256598/blog/4654726
