The sample results have various attributes (success/fail, elapsed time, data size etc.) and can be viewed in the various listeners.This controller lets you send an FTP "retrieve file" or "upload file" request to an FTP server.
Likewise, Headers are sent for the initial request, and won't be sent for the redirect.
If the request uses a technique called "URL Rewriting" to maintain sessions, then see section 6.1 Handling User Sessions With URL Rewriting for additional configuration steps. If the server response is sent in several chunks, the overall elapsed time may be longer than the timeout.
A Duration Assertion can be used to detect responses that take too long to complete. If set, the JMeter sampler will check if the response is a redirect and follow it if so.
This is generally only a problem for manually created test plans, as a test plan created using a recorder would continue from the redirected URL.
method, if there is no file to send, and the name(s) of the parameter(s) are omitted, then the body is created by concatenating all the value(s) of the parameters.