Rest java.lang.IllegalStateException：Spring引导和OAuth2没有ServletContext集异常

我正在尝试使用SpringBoot创建一个简单的REST服务，并使用OAuth2保护它。我在学习教程，我的课程完全一样。但我在运行应用程序时遇到以下异常：

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-03-02 14:05:16.530 ERROR 8324 --- [           main] o.s.boot.SpringApplication               : Application run failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'resourceHandlerMapping' defined in class path resource [org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.servlet.HandlerMapping]: Factory method 'resourceHandlerMapping' threw exception; nested exception is java.lang.IllegalStateException: No ServletContext set
    at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:627) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:456) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1305) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1144) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:515) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:849) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:877) ~[spring-context-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549) ~[spring-context-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) ~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE]
    at com.example.demo.SpringSecurityDemoApplication.main(SpringSecurityDemoApplication.java:10) [classes/:na]
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.servlet.HandlerMapping]: Factory method 'resourceHandlerMapping' threw exception; nested exception is java.lang.IllegalStateException: No ServletContext set
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:622) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    ... 19 common frames omitted
Caused by: java.lang.IllegalStateException: No ServletContext set
    at org.springframework.util.Assert.state(Assert.java:73) ~[spring-core-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport.resourceHandlerMapping(WebMvcConfigurationSupport.java:486) ~[spring-webmvc-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$EnableWebMvcConfiguration$$EnhancerBySpringCGLIB$$db24d135.CGLIB$resourceHandlerMapping$43(<generated>) ~[spring-boot-autoconfigure-2.1.3.RELEASE.jar:2.1.3.RELEASE]
    at org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$EnableWebMvcConfiguration$$EnhancerBySpringCGLIB$$db24d135$$FastClassBySpringCGLIB$$3f44398d.invoke(<generated>) ~[spring-boot-autoconfigure-2.1.3.RELEASE.jar:2.1.3.RELEASE]
    at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244) ~[spring-core-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:363) ~[spring-context-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    at org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$EnableWebMvcConfiguration$$EnhancerBySpringCGLIB$$db24d135.resourceHandlerMapping(<generated>) ~[spring-boot-autoconfigure-2.1.3.RELEASE.jar:2.1.3.RELEASE]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_65]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_65]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_65]
    at java.lang.reflect.Method.invoke(Method.java:497) ~[na:1.8.0_65]
    at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) ~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE]
    ... 20 common frames omitted

启动ApplicationContext时出错。要显示条件报告，请在启用“调试”的情况下重新运行应用程序。 2019-03-02 14:05:16.530错误8324---[main]o.s.boot.SpringApplication:应用程序运行失败 org.springframework.beans.factory.BeanCreationException:创建名为“resourceHandlerMapping”的bean时出错，该名称在类路径资源[org/springframework/boot/autoconfigure/web/servlet/WebMvcAutoConfiguration$EnableWebMvcConfiguration.class]中定义：通过工厂方法实例化bean失败；嵌套异常为org.springframework.beans.beanstantiationException:未能实例化[org.springframework.web.servlet.HandlerMapping]：工厂方法“resourceHandlerMapping”引发异常；嵌套异常为java.lang.IllegalStateException:未设置ServletContext 在org.springframework.beans.factory.support.ConstructorResolver.instantiate（ConstructorResolver.java:627）~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.beans.factory.support.ConstructorResolver.InstanceUsingFactoryMethod（ConstructorResolver.java:456）~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.InstanceUsingFactoryMethod（AbstractAutowireCapableBeanFactory.java:1305）~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance（AbstractAutowireCapableBeanFactory.java:1144）~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean（AbstractAutowireCapableBeanFactory.java:555）~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean（AbstractAutowireCapableBeanFactory.java:515）~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0（AbstractBeanFactory.java:320）~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton（DefaultSingletonBeanRegistry.java:222）~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean（AbstractBeanFactory.java:318）~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.beans.factory.support.AbstractBeanFactory.getBean（AbstractBeanFactory.java:199）~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.beans.factory.support.DefaultListableBeanFactory.PreInstanceSingleton（DefaultListableBeanFactory.java:849）~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization（AbstractApplicationContext.java:877）~[spring-context-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.context.support.AbstractApplicationContext.refresh（AbstractApplicationContext.java:549）~[spring-context-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh（ServletWebServerApplicationContext.java:142）~[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] 在org.springframework.boot.SpringApplication.refresh（SpringApplication.java:775）[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] 位于org.springframework.boot.SpringApplication.refreshContext（SpringApplication.java:397）[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] 在org.springframework.boot.SpringApplication.run（SpringApplication.java:316）[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] 在org.springframework.boot.SpringApplication.run（SpringApplication.java:1260）[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] 在org.springframework.boot.SpringApplication.run（SpringApplication.java:1248）[spring-boot-2.1.3.RELEASE.jar:2.1.3.RELEASE] 在com.example.demo.SpringSecurityDemoApplication.main（SpringSecurityDemoApplication.java:10）[classes/：na] 原因：org.springframework.beans.beans实例化异常：未能实例化[org.springframework.web.servlet.HandlerMapping]：工厂方法“resourceHandlerMapping”引发异常；嵌套异常为java.lang.IllegalStateException:未设置ServletContext 在org.springframework.beans.factory.support.SimpleInstallationStrategy.instantiate（SimpleInstallationStrategy.java:185）~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.beans.factory.support.ConstructorResolver.instantiate（ConstructorResolver.java:622）~[spring-beans-5.1.5.RELEASE.jar:5.1.5.RELEASE] ... 省略19个公共框架 原因：java.lang.IllegalStateException:未设置ServletContext 在org.springframework.util.Assert.state（Assert.java:73）~[spring-core-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport.resourceHandlerMapping（WebMvcConfigurationSupport.java:486）~[spring-webmvc-5.1.5.RELEASE.jar:5.1.5.RELEASE] 在org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$EnableWebMvcConfiguration$$EnhancerBySpringCGLIB$$db24d135.CGLIB$resourceHandlerMapping$43（）~[spring-boot-autoconfigure-2.1.3.RELEASE.jar:2.1.3.RELEASE] 在org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$EnableWebMvcConfiguration$$EnhancerBySpringCGLIB$$db24d135$$FastClassBySpringCGLIB$$3f44398d.invoke（）~[spring-boot-autoconfigure-2.1.3.RELEASE.jar:2.1.3.RELEASE] 在org.springframework.cglib.proxy.MethodProxy.invokeSuper（MethodProxy.java:244）~[spring核心

@Autowired 
private OAuth2SecurityConfiguration securityConfig;