Application Server was not connected before run configuration stop, reason: Unable to ping server at localhost:1099

方法：把catalina.bat 文件中set JAVA_OPTS= -Xmx1024M -Xms512M -XX:MaxPermSize=256m这行去掉，具体看下面两篇博客

https://blog.csdn.net/wsscy2004/article/details/38776965

https://www.cnblogs.com/wanglonghai/p/4908841.html

原文：https://www.cnblogs.com/hi3254014978/p/11819039.html