1、安装好tomcat之后，
为蒙山等地区用户提供了全套网页设计制作服务，及蒙山网站建设行业解决方案。主营业务为网站设计制作、成都网站建设、蒙山网站设计，以传统方式定制建设网站，并提供域名空间备案等一条龙服务，秉承以专业、用心的态度为用户提供真诚的服务。我们深信只要达到每一位用户的要求，就会得到认可，从而选择与我们长期合作。这样，我们也可以走得更远！下载并且编译最新的dubbo-admin 如图：
1、修改WEB-INF中的dubbo.properties
dubbo.registry.address=zookeeper://192.168.1.87:2181//zookeeper的地址
dubbo.admin.root.password=root
dubbo.admin.guest.password=guest
2、删除原tomcat/webapps/ROOT目录下的所有文件，同时复制dubbo-admin解压后的内容到tomcat/webapps/ROOT中
3、启动tomcat
4、访问对应的ip地址
如果出现：
INFO context.InheritableListableBeanFactory - Destroying singletons in com.alibaba.citrus.springext.support.context.InheritableListableBeanFactory@55af05cd: defining beans [org.springframework.context.annotation.internalCommonAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,com.alibaba.citrus.service.configuration.support.PropertyPlaceholderConfigurer#0,templateService,mappingRuleService,dataResolverService,exceptionPipeline,resourceLoadingService,messageSource,uriBrokerService,restfulRewrite,org.springframework.beans.factory.config.PropertyPlaceholderConfigurer#0,dubbo-admin,com.alibaba.dubbo.config.RegistryConfig,registryService,configService,consumerService,overrideService,ownerService,providerService,routeService,userService,governanceCache,productionModeSensiblePostProcessor,webxConfiguration,requestContexts,com.alibaba.citrus.service.requestcontext.impl.RequestContextBeanFactoryPostProcessor#0,uploadService,pullService,formService,module.screen.Error404,module.screen.ErrorOther,moduleLoaderService,messageResourceService,com.alibaba.citrus.webx.context.WebxComponentsLoader$WebxComponentsCreator]; root of factory hierarchy ERROR context.ContextLoader - Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'uriBrokerService': Cannot create inner bean '(inner bean)' of type [com.alibaba.citrus.service.uribroker.impl.URIBrokerServiceImpl$URIBrokerInfo] while setting bean property 'brokers' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)#25': Cannot create inner bean 'server' of type [com.alibaba.citrus.service.uribroker.uri.GenericURIBroker] while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'server': Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'URIType' of bean class [com.alibaba.citrus.service.uribroker.uri.GenericURIBroker]: Bean property 'URIType' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter? at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:230) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:122) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveManagedList(BeanDefinitionValueResolver.java:287) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:126) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1245) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1010) 142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)#25': Cannot create inner bean 'server' of type [com.alibaba.citrus.service.uribroker.uri.GenericURIBroker] while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'server': Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'URIType' of bean class [com.alibaba.citrus.service.uribroker.uri.GenericURIBroker]: Bean property 'URIType' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter? at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:230) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:117) at org.springframework.beans.factory.support.ConstructorResolver.resolveConstructorArguments(ConstructorResolver.java:479) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:219) ... 34 more Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'server': Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'URIType' of bean class [com.alibaba.citrus.service.uribroker.uri.GenericURIBroker]: Bean property 'URIType' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter? at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1279) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1010) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:472) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409) at java.security.AccessController.doPrivileged(Native Method) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380) at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:219) ... 44 more Caused by: org.springframework.beans.NotWritablePropertyException: Invalid property 'URIType' of bean class [com.alibaba.citrus.service.uribroker.uri.GenericURIBroker]: Bean property 'URIType' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter? at org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:801)
这些错误
原来是我用的jdk版本太高，jdk8, dubbo默认用的spring版本比较旧，冲突导致，作如下修改即可
1、webx的依赖改为3.1.6版；
com.alibaba.citrus citrus-webx-all 3.1.6
2、添加velocity的依赖，我用了1.7；
org.apache.velocity velocity 1.7
3、对依赖项dubbo添加exclusion，避免引入旧spring
com.alibaba dubbo ${project.parent.version} org.springframework spring
4、webx已有spring 3以上的依赖，因此注释掉dubbo-admin里面的spring依赖
重新编译dubbo放tomcat运行，成功启动！
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