In executing a PlayBook Start HTTPD Times:
TASK [test_app : start service] *****************************************************************************************************************************
fatal: [192.168.126.129]: FAILED! => {"changed": false, "msg": "Unable to start service httpd: Job for httpd.service failed because the control process exited with error code. See \"systemctl status httpd.service\" and \"journalctl -xe\" for details.\n"}
Because the machine runs Nginx in the machine, the 80-port is occupied, so it will be reported at this time, and the error message can be seen from the error message.

After stopping the NGINX service, you can re-execute it.
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