cannot fetch response code when testing the localhost

[jacobxk]

I used the loadtest function with the url with port like 'http://127.0.0.1:8000', and the response_code in the result consistently return Non HTTP response code: java.net.URISyntaxException. And I found a possible reason from
https://stackoverflow.com/questions/60460211/jmeter-non-http-response-code-java-net-urisyntaxexception