http://localhost:7001/wlstudydemo-1.0/hello http://localhost:7001/wlstudydemo-1.0/block http://localhost:7001/wlstudydemo-1.0/deadlock
http://localhost:7001/wlstudydemo-1.0/hello http://localhost:7001/wlstudydemo-1.0/block http://localhost:7001/wlstudydemo-1.0/deadlock