eclipse无法创建Server

报错：Cannot create a server using the selected type
1.退出eclipse

2.到[工程目录下]/.metadata/.plugins/org.eclipse.core.runtime/.settings/

3.把 org.eclipse.wst.server.core.prefs和 org.eclipse.jst.server.tomcat.core.prefs这两个文件去掉

4.重启eclipse 问题解决