前端在本地,调试,就经常的就是会遇到 调用接口,提示跨域了. 如你要访问 http://****/api/user chrome 浏览器 报错: XMLHttpRequest cannot load http://****/api/user No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'null' is therefore not allowed access. 在谷歌
解决办法:删除.m2文件夹下的全部仓库,然后重启myeclipse,对项目进行maven project.问题解决. 在没有这样做时,除了tomcat启动会失败,项目还有会报如下错误: ①cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration... ②Build path is incomplete. Cannot find class file for org/springframework/cor
原文:https://www.jb51.net/article/137278.htm 问题描述 前端 vue 框架,跨域问题后台加这段代码 header("Access-Control-Allow-Origin: *"); 加了之后报这个错: The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's crede
1.前端页面使用vue中的axios请求nodejs响应.报以下错误: Failed to load http://localhost:3000/users/validate: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://loc
今天在发布Java项目的时候又遇到 Neither the JAVA_HOME nor the JRE_HOME environment variable is defined At least one of these environment variable is needed to run this program 这种情况了, 解决办法: 首先查看环境变量: vim /etc/profile 找到JAVA_HOME 把路径记录下 编辑文件 /usr/local/tomca