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  1. ,
    via netty.io by Unknown author

    Needs to add netty-transport-native-epoll with a OS classifier to the classpath, it's not included in netty-all

Solutions on the web

via GitHub by gs-spadmanabhan
, 1 year ago
Unable to start embedded container; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'httpHandler' defined in class path resource [org/springframework/boot/autoconfigure/reactiveweb
via Spring JIRA by Tzachi Strugo, 1 year ago
Unable to start embedded container; nested exception is java.lang.NoSuchMethodError: org.springframework.http.server.reactive.ServletHttpHandlerAdapter: method <init>()V not found
via GitHub by yburkouski
, 1 year ago
Unable to start embedded container; nested exception is java.lang.NoClassDefFoundError: io/netty/channel/ChannelHandler
via GitHub by MuhammedSenussi
, 1 year ago
Unable to start embedded container; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'httpHandler' defined in class path resource [org/springframework/boot/autoconfigure/reactiveweb
via GitHub by danielfernandez
, 1 year ago
Unable to start embedded container; nested exception is org.springframework.context.ApplicationContextException: Unable to start ReactiveWebApplicationContext due to missing ReactiveHttpServerFactory bean.
java.lang.ClassNotFoundException: javax.servlet.http.HttpServletResponse	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at java.lang.Class.getDeclaredMethods0(Native Method)	at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)	at java.lang.Class.getDeclaredMethod(Class.java:2128)	at org.springframework.core.annotation.AnnotatedElementUtils.searchWithFindSemantics(AnnotatedElementUtils.java:1159)	at org.springframework.core.annotation.AnnotatedElementUtils.searchWithFindSemantics(AnnotatedElementUtils.java:1039)	at org.springframework.core.annotation.AnnotatedElementUtils.searchWithFindSemantics(AnnotatedElementUtils.java:1013)	at org.springframework.core.annotation.AnnotatedElementUtils.findMergedAnnotationAttributes(AnnotatedElementUtils.java:638)	at org.springframework.core.annotation.AnnotatedElementUtils.findMergedAnnotation(AnnotatedElementUtils.java:712)	at org.springframework.web.reactive.result.method.annotation.RequestMappingHandlerMapping.createRequestMappingInfo(RequestMappingHandlerMapping.java:195)	at org.springframework.web.reactive.result.method.annotation.RequestMappingHandlerMapping.getMappingForMethod(RequestMappingHandlerMapping.java:177)	at org.springframework.web.reactive.result.method.annotation.RequestMappingHandlerMapping.getMappingForMethod(RequestMappingHandlerMapping.java:43)	at org.springframework.web.reactive.result.method.AbstractHandlerMethodMapping.lambda$detectHandlerMethods$0(AbstractHandlerMethodMapping.java:171)	at org.springframework.core.MethodIntrospector$1.doWith(MethodIntrospector.java:72)	at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:546)	at org.springframework.core.MethodIntrospector.selectMethods(MethodIntrospector.java:68)	at org.springframework.web.reactive.result.method.AbstractHandlerMethodMapping.detectHandlerMethods(AbstractHandlerMethodMapping.java:170)	at org.springframework.web.reactive.result.method.AbstractHandlerMethodMapping.initHandlerMethods(AbstractHandlerMethodMapping.java:154)	at org.springframework.web.reactive.result.method.AbstractHandlerMethodMapping.afterPropertiesSet(AbstractHandlerMethodMapping.java:126)	at org.springframework.web.reactive.result.method.annotation.RequestMappingHandlerMapping.afterPropertiesSet(RequestMappingHandlerMapping.java:117)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1642)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1579)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:545)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200)	at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:499)	at org.springframework.context.support.AbstractApplicationContext.getBeansOfType(AbstractApplicationContext.java:1192)	at org.springframework.beans.factory.BeanFactoryUtils.beansOfTypeIncludingAncestors(BeanFactoryUtils.java:310)	at org.springframework.web.reactive.DispatcherHandler.initStrategies(DispatcherHandler.java:88)	at org.springframework.web.reactive.DispatcherHandler.setApplicationContext(DispatcherHandler.java:84)	at org.springframework.boot.autoconfigure.reactiveweb.ReactiveWebAutoConfiguration$DispatcherHandlerConfiguration.dispatcherHandler(ReactiveWebAutoConfiguration.java:69)	at org.springframework.boot.autoconfigure.reactiveweb.ReactiveWebAutoConfiguration$DispatcherHandlerConfiguration$$EnhancerBySpringCGLIB$$5aada75.CGLIB$dispatcherHandler$1()	at org.springframework.boot.autoconfigure.reactiveweb.ReactiveWebAutoConfiguration$DispatcherHandlerConfiguration$$EnhancerBySpringCGLIB$$5aada75$$FastClassBySpringCGLIB$$49e78723.invoke()	at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)	at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:358)	at org.springframework.boot.autoconfigure.reactiveweb.ReactiveWebAutoConfiguration$DispatcherHandlerConfiguration$$EnhancerBySpringCGLIB$$5aada75.dispatcherHandler()	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)	at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1128)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1023)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200)	at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:207)	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1118)	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1046)	at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:834)	at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:741)	at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:467)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1128)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1023)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:200)	at org.springframework.boot.context.embedded.ReactiveWebApplicationContext.getHttpHandler(ReactiveWebApplicationContext.java:110)	at org.springframework.boot.context.embedded.ReactiveWebApplicationContext.createReactiveHttpServer(ReactiveWebApplicationContext.java:71)	at org.springframework.boot.context.embedded.ReactiveWebApplicationContext.onRefresh(ReactiveWebApplicationContext.java:49)	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:535)	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:369)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:313)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1185)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1174)	at com.gainsight.ScribbleApplication.main(ScribbleApplication.java:19)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:483)	at java.lang.Thread.run(Thread.java:745)