One or more constraints have not been satisfied.

1.One or more constraints have not been satisfied.
解决方案：右击项目名称–>找到javaEE tools–>选择Generate、、
2.进入web.xml–>将web-app_3_0.xsd" version="3.0"改为相应版本
[对照着Dynamic的版本修改]
3.进入项目的.settings文件夹中打开facet.core/component/修改版本号

标签：web,satisfied,been,版本,constraints,more
来源： https://blog.csdn.net/weixin_43739633/article/details/88686572