Cannot change version of project facet Dynamic Web Module to 3.1.
在eclipse或sts中修改Project Facets中选择Dynamic Web Module,将2.5修改为3.1提示如下信息Cannot change version of project facet Dynamic Web Module to 3.1.
解决得办法是在项目下找到.setting文件夹,修改org.eclipse.wst.common.project.facet.core.xml文件内的得值:
<installed facet="jst.web" version="3.1"/>
完美解决