今天做SpringBoot小例子,在请求controller层的时候出现如下问题. Whitelabel Error Page This application has no explicit mapping for /error, so you are seeing this as a fallback. Wed Dec 14 16:35:25 CST 2016 There was an unexpected error (type=Not Found, status=404). No mes…

出现这个异常说明了跳转页面的url无对应的值. 原因1: Application启动类的位置不对.要将Application类放在最外侧,即包含所有子包 原因:spring-boot会自动加载启动类所在包下及其子包下的所有组件. 原因2: 在springboot的配置文件:application.yml或application.properties中关于视图解析器的配置问题: 当pom文件下的spring-boot-starter-paren版本高时使用: spring.mvc.view.pre…

新建SpringBoot项目运行页面报错Whitelabel Error Page This application has no explicit mapping for /error, so yo 2019年03月25日 16:32:17 叮叮当当0543 阅读数:22   这个错误的出现一般是SpringBoot的启动类(类名上面有@SpringBootApplication注解 )与controller包不在同一个目录下,解决方案就是把启动类和controller包放在同目录下就可以啦.…

This application has no explicit mapping for /error, so you are seeing this as a fallback. Wed Dec 14 16:35:25 CST 2016 There was an unexpected error (type=Not Found, status=404). No message available   spring-boot会自动加载启动类所在包下及其子包下的所有组件.   所以springbo…

使用SpringBoot写HelloWorld,当配置好启动类后,再创建新的controller或其它类,启动项目后访问对应的映射名,页面显示: Whitelabel Error Page This application has no explicit mapping for /error, so you are seeing this as a fallback. 映射未找到,出现这个异常说明了跳转页面的url无对应的值. 解决: 排查过程: 1.先确定URL是否正确(正确无误): 2.由于…

报错内容 None of the configured nodes are available elasticsearch.yml配置 cluster.name: fans node.name: node-72 node.master: true node.data: true network.host: 172.22.245.212 http.port: 39200 transport.tcp.port: 39300 discovery.zen.ping.unicast.hosts: ["12…

Spring Boot发布war包流程: 1.修改web model的pom.xml <packaging>war</packaging> SpringBoot默认发布的都是jar,因此要修改默认的打包方式jar为war 2.修改web model的依赖(dependency) <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boo…

报错信息 org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'nacosConfigurationPropertiesBinder': Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Fai…

技术群: 816227112 参考:https://stackoverflow.com/questions/43455869/could-not-autowire-there-is-more-than-one-bean-of-datasource-type Parameter 0 of method redisTemplate in org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration required…

解决方案:http://www.cnblogs.com/michaelShao/p/6675186.html…