Failed to introspect annotated methods on class org.springframework.boot.web.servlet.support.SpringBootServletInitializer

아래와 같이 에러가 났다. 

Failed to introspect annotated methods on class org.springframework.boot.web.servlet.support.SpringBootServletInitializer

org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [com.dodrambio.web.WebApplication]; 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:184)
	at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:319)
	at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:236)
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:275)
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:95)
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:706)
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:532)
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:747)
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215)
	at com.dodrambio.web.WebApplication.main(WebApplication.java:18)
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:164)
	at org.springframework.context.annotation.ConfigurationClassParser.retrieveBeanMethodMetadata(ConfigurationClassParser.java:395)
	at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:320)
	at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:245)
	at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:202)
	at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:170)
	... 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$AppClassLoader@18b4aac2]
	at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:481)
	at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:455)
	at org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods(StandardAnnotationMetadata.java:153)
	... 17 common frames omitted
Caused by: java.lang.NoClassDefFoundError: javax/servlet/ServletContext
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
	at java.lang.Class.getDeclaredMethods(Class.java:1975)
	at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:463)
	... 19 common frames omitted
Caused by: java.lang.ClassNotFoundException: javax.servlet.ServletContext
	at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	... 23 common frames omitted

 

 

 

찾아보니, SpringBoot인데 tomcat 관련 의존성을 추가해줘서 그렇다고 한다.

 

그래서 tomcat 관련된 부분을 제거해준 후에 다시 실행하니 해당 에러는 없어졌다.