a configuration error occured during startup.please verify the preference field with the prompt:

Window->Preferences->MyEclipse Enterprice Workbench->Servers->Tomcat->选择你的Tomcat(比如Tomcat 8.x)->
点左边的add->点击JDK->Tomcat JDK name->点击右边的Add->把你的JDK配置进去，默认的JDK是不行的