401 Error Sending GET users/show to Twitter API -


i attempted user details of twitter user has authorized app using users/show. using raw java this, not twitter api (hence lack of documentation). able request token, , access token 401 error on last step when attempting user info. notice doing wrong here?

int t = (int) ((system.currenttimemillis()) / 1000);     string n = generatenonce();     string parameterstr = "oauth_consumer_key=" + twitter_key +                           "&oauth_nonce=" + n +                           "&oauth_signature_method=" + oauthsignaturemethod +                           "&oauth_timestamp=" + t +                           "&oauth_token=" + user_token +                           "&oauth_version=1.0" +                           "&screen_name=" + user_screen_name;     string oauthsignature = "";     string authorizationheaderstr = "";     try {         string signaturebasestr = "get&https%3a%2f%2fapi.twitter.com%2f1.1%2fusers%2fshow.json&" + urlencoder.encode(parameterstr, "utf-8");         oauthsignature = urlencoder.encode(computesignature(signaturebasestr, twitter_secret + "&" + user_secret_token), "utf-8");         authorizationheaderstr = "oauth oauth_consumer_key=\"" + twitter_key +                                  "\",oauth_nonce=\"" + n +                                  "\",oauth_signature=\"" + oauthsignature +                                  "\",oauth_signature_method=\"hmac-sha1\",oauth_timestamp=\"" + t +                                  "\",oauth_token=\"" + user_token +                                  "\",oauth_version=\"1.0\"";         system.out.println(signaturebasestr);         system.out.println(authorizationheaderstr);     } catch (unsupportedencodingexception e) {         e.printstacktrace();     } catch (generalsecurityexception e) {         e.printstacktrace();     }      //create post , receive oauth token     try {         string urlstr = "https://api.twitter.com/1.1/users/show.json?" + "screen_name=" + user_screen_name;         url url = new url(urlstr);         httpsurlconnection conn = (httpsurlconnection) url.openconnection();         conn.setrequestmethod("get");         conn.setrequestproperty("authorization", authorizationheaderstr);          //send post         conn.setdooutput(true);         dataoutputstream wr = new dataoutputstream(conn.getoutputstream());         wr.flush();         wr.close();          //get post         int twitterresponsecode = conn.getresponsecode();         bufferedreader in = new bufferedreader(new inputstreamreader(conn.getinputstream()));         string inputline;         stringbuffer twitterresponse = new stringbuffer();          while((inputline = in.readline()) != null) {             twitterresponse.append(inputline);         }         in.close();         system.out.println(twitterresponse);     } catch (malformedurlexception e) {         e.printstacktrace();     } catch (ioexception e) {         e.printstacktrace();     }

the issue outputstream:

dataoutputstream wr = new dataoutputstream(conn.getoutputstream());     wr.flush();     wr.close();

i removed , working fine. i'm not sure why there begin with.


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