IDEA报错处理:Application Server was not connected before run configuration stop, reason: Unable to ping server at localhost:8080
把wildfly的整个软件包更换成新的,配置文件重新配置,JBOSS_HOME环境变量修改成新的,在wildfly-10.1.0.FinalForTest\modules\system\layers\base\com目录下放入mysql驱动目录文件, 即可解决。