在使用其他人分享的项目的时候，今天遇到了无法启动的问题，报错：
org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [com.example.demo.ExampleApplication]; nested exception is java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.servlet.support.SpringBootServletInitializer
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:188) ~[spring-context-5.3.26.jar:5.3.26]
at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:331) ~[spring-context-5.3.26.jar:5.3.26]
at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:247) ~[spring-context-5.3.26.jar:5.3.26]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:311) ~[spring-context-5.3.26.jar:5.3.26]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:112) ~[spring-context-5.3.26.jar:5.3.26]
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:748) ~[spring-context-5.3.26.jar:5.3.26]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:564) ~[spring-context-5.3.26.jar:5.3.26]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:731) [spring-boot-2.7.10.jar:2.7.10]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408) [spring-boot-2.7.10.jar:2.7.10]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:307) [spring-boot-2.7.10.jar:2.7.10]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1303) [spring-boot-2.7.10.jar:2.7.10]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1292) [spring-boot-2.7.10.jar:2.7.10]
at com.example.demo.ExampleApplication.main(ExampleApplication.java:20) [classes/:na]
Caused by: java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.servlet.support.SpringBootServletInitializer
at org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods(StandardAnnotationMetadata.java:162) ~[spring-core-5.3.26.jar:5.3.26]
at org.springframework.context.annotation.ConfigurationClassParser.retrieveBeanMethodMetadata(ConfigurationClassParser.java:402) ~[spring-context-5.3.26.jar:5.3.26]
at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:325) ~[spring-context-5.3.26.jar:5.3.26]
at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:249) ~[spring-context-5.3.26.jar:5.3.26]
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:206) ~[spring-context-5.3.26.jar:5.3.26]
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:174) ~[spring-context-5.3.26.jar:5.3.26]
... 12 common frames omitted
Caused by: java.lang.IllegalStateException: Failed to introspect Class [org.springframework.boot.web.servlet.support.SpringBootServletInitializer] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2]
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:485) ~[spring-core-5.3.26.jar:5.3.26]
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:459) ~[spring-core-5.3.26.jar:5.3.26]
at org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods(StandardAnnotationMetadata.java:151) ~[spring-core-5.3.26.jar:5.3.26]
... 17 common frames omitted
Caused by: java.lang.NoClassDefFoundError: javax/servlet/ServletContext
at java.lang.Class.getDeclaredMethods0(Native Method) ~[na:1.8.0_392]
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[na:1.8.0_392]
at java.lang.Class.getDeclaredMethods(Class.java:1975) ~[na:1.8.0_392]
at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:467) ~[spring-core-5.3.26.jar:5.3.26]
... 19 common frames omitted
Caused by: java.lang.ClassNotFoundException: javax.servlet.ServletContext
at java.net.URLClassLoader.findClass(URLClassLoader.java:387) ~[na:1.8.0_392]
at java.lang.ClassLoader.loadClass(ClassLoader.java:418) ~[na:1.8.0_392]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352) ~[na:1.8.0_392]
at java.lang.ClassLoader.loadClass(ClassLoader.java:351) ~[na:1.8.0_392]
... 23 common frames omitted之前也遇到过，处理方式就是把pom.xml中provided改成compile，基本都是打war包的时候出现。除了修改文件的方法外，可以编辑运行选项，选中Java下面的“将带有provided作用域的依赖添加到类路径”这个选项，再次运行项目就可以了。
