错误日志
2018-06-26 16:21:41 [main] ERROR - Application startup failed
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'xmlScheduledTasks': Unsatisfied dependency expressed through field 'redisson'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'redisson' defined in class path resource [com/jinzay/ees/hotel/MainConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.redisson.api.RedissonClient]: Factory method 'redisson' threw exception; nested exception is java.lang.NoSuchMethodError: io.netty.util.internal.StringUtil.indexOfNonWhiteSpace(Ljava/lang/CharSequence;I)I
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
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.jinzay.ees.hotel.EesHotelApplication.main(EesHotelApplication.java:18)
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.loader.MainMethodRunner.run(MainMethodRunner.java:48)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:87)
at org.springframework.boot.loader.Launcher.launch(Launcher.java:50)
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:51)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'redisson' defined in class path resource [com/jinzay/ees/hotel/MainConfig.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.redisson.api.RedissonClient]: Factory method 'redisson' threw exception; nested exception is java.lang.NoSuchMethodError: io.netty.util.internal.StringUtil.indexOfNonWhiteSpace(Ljava/lang/CharSequence;I)I
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1173)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1067)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202)
at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:585)
... 27 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.redisson.api.RedissonClient]: Factory method 'redisson' threw exception; nested exception is java.lang.NoSuchMethodError: io.netty.util.internal.StringUtil.indexOfNonWhiteSpace(Ljava/lang/CharSequence;I)I
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)
... 39 common frames omitted
Caused by: java.lang.NoSuchMethodError: io.netty.util.internal.StringUtil.indexOfNonWhiteSpace(Ljava/lang/CharSequence;I)I
at io.netty.resolver.dns.UnixResolverDnsServerAddressStreamProvider.parse(UnixResolverDnsServerAddressStreamProvider.java:171)
at io.netty.resolver.dns.UnixResolverDnsServerAddressStreamProvider.(UnixResolverDnsServerAddressStreamProvider.java:90)
at io.netty.resolver.dns.UnixResolverDnsServerAddressStreamProvider.(UnixResolverDnsServerAddressStreamProvider.java:124)
at io.netty.resolver.dns.UnixResolverDnsServerAddressStreamProvider.parseSilently(UnixResolverDnsServerAddressStreamProvider.java:66)
at io.netty.resolver.dns.DnsServerAddressStreamProviders.(DnsServerAddressStreamProviders.java:28)
at org.redisson.connection.MasterSlaveConnectionManager.(MasterSlaveConnectionManager.java:195)
at org.redisson.connection.MasterSlaveConnectionManager.(MasterSlaveConnectionManager.java:169)
at org.redisson.connection.SingleConnectionManager.(SingleConnectionManager.java:32)
at org.redisson.config.ConfigSupport.createConnectionManager(ConfigSupport.java:230)
at org.redisson.Redisson.(Redisson.java:115)
at org.redisson.Redisson.create(Redisson.java:153)
at com.jinzay.ees.hotel.MainConfig.redisson(MainConfig.java:49)
at com.jinzay.ees.hotel.MainConfig$$EnhancerBySpringCGLIB$$238b936c.CGLIB$redisson$1()
at com.jinzay.ees.hotel.MainConfig$$EnhancerBySpringCGLIB$$238b936c$$FastClassBySpringCGLIB$$2ba7781d.invoke()
at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:358)
at com.jinzay.ees.hotel.MainConfig$$EnhancerBySpringCGLIB$$238b936c.redisson()
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)
... 40 common frames omitted
还有一个NoSuchMethodException io.netty.bootstrap.resolver
由于改造代码，引入rocketmq的依赖，该依赖内存在netty，并且版本比redisson内的要低（maven顺序加载依赖，已加载过的将不会继续加载）故maven选择了排在前面的4.0.42。
解决方法就是把mq项目内的netty干掉，然后引新（最好跟redisson版本一样）版本的netty
org.apache.rocketmq
rocketmq-client
4.2.0
io.netty
netty-all
io.netty
netty-all
4.1.17.Final