备注：我建的类名就叫做“first”
解决办法：卸载掉TestNG M2E
Help-->Install new software-->What is already installed?-->Select the TestNG M2E software and click uninstall
TestNG运作报错An interanl error occurred during:"Launching first"
原文：http://www.cnblogs.com/dieyaxianju/p/5158904.html