I am using WSO2 for token generation. By using this console: https://localhost:9443/carbon/admin/login.jsp

I am calling http://localhost:9763**/oauth2/token** service by passing required parameters <{username=[], password=[], grant_type=[password], client_id=[], client_secret=[], scope=[]},[Content-Type:"application/x-www-form-urlencoded"]> after 20th request its failing and giving below error.

{ErrorMessage: I/O error on POST request for "http://192.168.200.83:9763/oauth2/token": Connection reset; nested exception is java.net.SocketException: Connection reset.}

How can I increase the number of requests to be served from 20 to 50 or more?