错误：a configuration error occured during startup.please verify the preference field with the prompt:cannot connect to VM
解决方法：Window->Preferences->MyEclipse Enterprice Workbench->Servers->Tomcat->选择你的Tomcat(比如Tomcat 6.x)->点左边的+号->launch改为run mode
原文：http://www.cnblogs.com/feiger/p/4721688.html