java - HttpURLConnection.getInputStream() throws SocketTimeoutException -


i using httpurlconnection upload image , response.
works on emulator , xiaomi device.
however, sockettimeoutexception on sony device on line connection.getinputstream().
i've tried set timeouts large value 1 minute not work.

 public string uploadfile(file file, string requesturl) {          if (file != null) {             long filesize = file.length();             httpurlconnection.setfollowredirects(false);             httpurlconnection connection = null;             try {                 //config of connection                 connection = (httpurlconnection) new url(requesturl).openconnection();                 connection.setconnecttimeout(10000);                 connection.setreadtimeout(10000);                 connection.setrequestmethod("put");                 connection.setrequestproperty("content-type", "image/jpeg");                 connection.setdooutput(true);                 connection.setrequestproperty("content-length", "" + filesize);                 connection.connect();                  //upload file                 dataoutputstream out = new dataoutputstream(connection.getoutputstream());                 int bytesread;                 byte buf[] = new byte[1024];                 bufferedinputstream bufinput = new bufferedinputstream(new fileinputstream(file));                 while ((bytesread = bufinput.read(buf)) != -1) {                     out.write(buf, 0, bytesread);                     out.flush();                 }                 out.flush();                 out.close();                  //get response message, sockettimeoutexception occurs here                 bufferedreader br = new bufferedreader(new inputstreamreader((connection.getinputstream())));                 stringbuilder sb = new stringbuilder();                 string output;                 while ((output = br.readline()) != null) {                     sb.append(output);                 }                  //return response message                 return output;              } catch (exception e) {                 // exception                 e.printstacktrace();             } {                 if (connection != null) connection.disconnect();             }         }          return null;     }

what causes problem happen?and how fix it?

additional info: tested on devices under same wifi connection. , sure network , file server worked properly. file size of tested images 100~200kbyte.

because set read timeout of ten seconds , no response received within ten seconds.

is trick question?

nb don't need set content-length header. java you.


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