Application Server was not connected before run configuration stop, reason:Unable to ping server at localhost:1099
问题: IDEA启动Tomcat时报错:
Application Server was not connected before run configuration stop, reason:Unable to ping server at localhost:1098
1.Tomcat对应JDK 版本
这时候发现Tomcat是9.x Jdk是1.7修改成jdk1.8即可