java - HttpUrlConnection: Cookies Show in CookieStore but not in the POST Header -


in code below running post request on website. dont understand why cookie shows via cookiemanager, not show in post header. see comments in code.

can kindly explain missing?

cookiemanager cm = new cookiemanager(null, cookiepolicy.accept_all); cookiehandler.setdefault(cm);  ...  connection = (httpurlconnection) url.openconnection();  connection.setrequestmethod("post");  outputstream outputstream = connection.getoutputstream(); outputstream.write(urlparams.getbytes(charset));  // clear cookies prove not old request. cm.getcookiestore().removeall();  if (connection.getresponsecode() != httpurlconnection.http_ok)             throw new exception("invalid response code.");  // no cookie prints here:    log.d("aero", connection.getheaderfields().tostring());  list<httpcookie> cookies = cm.getcookiestore().getcookies();  (httpcookie cookie : cookies) {          if (cookie.getname().equals("asp.net_sessionid")) {              // cookie here              log.d("aero", cookie.tostring());                        }      }

ok clear head morning have managed solve 1 myself. problem response 302 redirect , redirected page had no cookie in response header.

i needed use:

connection.setinstancefollowredirects(false);

to ensure reading response original header not redirected one.


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