【jsp+jpa】Check your ViewResolver setup!】的更多相关文章

困扰了好几天的坑 javax.servlet.ServletException: Circular view path [fileupload]: would dispatch back to the current handler URL [/web/fileupload] again. Check your ViewResolver setup! (Hint: This may be the result of an unspecified view, due to default view…
Circular view path [home]: would dispatch back to the current handler URL [/home] again. Check your ViewResolver setup! (Hint: This may be the result of an unspecified view, due to default view name generation.) 1. 问题的现象 比如在webConfig中定义了一个viewResolve…
Whitelabel Error Page This application has no explicit mapping for /error, so you are seeing this as a fallback. Fri Mar 23 10:34:26 CST 2018There was an unexpected error (type=Internal Server Error, status=500).Circular view path [index]: would disp…
2019-08-08 17:12:03.544 ERROR 13748 --- [nio-8080-exec-2] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Circular view path [index]: would dispatch back to the curren…
简单创建一个springboot工程 pom.xml <?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://mave…
1.EL表达式 获取list长度 <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> <%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions"%> <c:if test="${fn:length(list名字)>1}"&…
1>hibernate/JPA实现复合主键的思路:是将所有的主键属性封装在一个主键类中,提供给需要复合主键的实体类使用. 2>主键类的几点要求: . 使用复合主键的实体类必须实现Serializable接口. 必须实现Serializable接口的原因很简单,我们查找数据的时候是根据主键查找的.打开Hibernate的帮助文档我们可以找到get与load方法的声明形式如下: Object load(Class theClass,Serializable id) Object get(Class…
最近在复现R-CNN一系列的实验时,配置代码环境真是花费了不少时间.由于对MATLAB不熟悉,实验采用的都是github上rbg大神的Python版本.在配置Faster R-CNN时,编译没有问题,一运行 ./tools/demo.py --net zf  就会出现如下错误: <span style="font-size:14px;">Loaded network ./data/faster_rcnn_models/ZF_faster_rcnn_final.caffemo…
JSP里面的    <%=session.getAttribute("×××")%> 与java等价于         request.getSession().getAttribute("×××") *************************************************************************************…
不同的用户访问次数是不一样的,因此对于每一个用户的访问次数都要进行统计,以适应需要. 用户登陆的Login.html的源文件: <html> <head> <title>登录界面</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> </head> <BODY> <CENTER&…