错误信息提示: Failed to instantiate [java.util.List]: Specified class is an interface; 错误信息意思:参数错误,参数封装出了问题. 原因: 前端给后台传递了一个list对象,本来以为直接用list 可以接收,但是运行方法报错,参数错误.查询错误问题,发现是前端传递的对象,后台没有set,get的实体接收. controller中参数List内封装的不是基本数据类型,而是一个对象,springMVC源码获取前台的参数是:re…

后台spring mvc接收List参数报错如下:org.springframework.beans.BeanInstantiationException: Failed to instantiate [java.util.List]: Specified class is an interface org.springframework.beans.BeanInstantiationException: Failed to instantiate [java.util.List]: Speci…

最近项目中页面比较复杂,springMVC传参过程中遇到这样一个错误:Could not instantiate bean class [java.util.List]: Specified class is an interface] with root cause 经研究发现这是参数封装出了问题. 还原代码: @RequestMapping("/test") public ModelAndView test(List<OptionVo> ov){ ModelAndVie…

错误提示: Request processing failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [java.time.LocalDateTime]: No default constructor found; nested exception is java.lang.NoSuchMethodException: java.time.L…

自己写了个最简单的springMVC项目练练手,没有用maven,在WebContent中新建了lib文件夹,将jar包复制到这里面,然后add to build path到项目里. 启动Tomcat,报错,启动不起来.在网页中运行localhost:8080发现Tomcat页面是可以打开的. 报错内容如下: 严重: A child container failed during start java.util.concurrent.ExecutionException: org.apache.…

错误如下: A child container failed during startjava.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].StandardContext 还有一种错误是: org.springframework.web.Spr…

本文为博主原创,未经允许不得转载: 被坑了好长时间的bug,差点就要重新配置环境,重新下载,重新开始的境遇.在此记录一下: 首先展示一下报错的异常: -Apr- ::] org.apache.catalina.core.ContainerBase.startInternal A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleExce…

二月 20, 2017 11:30:28 上午 org.apache.tomcat.util.digester.SetPropertiesRule begin警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:xiaozao_web' did not find a matching property.二月 20, 2…

今天开发犯了一个特lowB的错,记录下来,引以为戒! 严重: A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/UpLoadE…

java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/kabao-pc-consume]] at java.util.concurrent.FutureTask$Sync.innerGet(FutureTa…