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An illegal attempt was made to upload a document

Response:400 - {"error":"An illegal attempt was made to upload a document"}
Getting the above error while uploading a file through HttpURLconnection Java. Tried all the methods for converting file to bytearray > byte[] bytes = Files.readAllBytes(file.toPath());
and > byte[] bytes = FileUtils.readFileToByteArray(file);
Can anyone help me to fix the code?
public static Response upload(HttpURLConnection connection, String request, String filePath) throws IOException, InterruptedException
{
String response = "";
Integer code = -1;
String boundary = "*****";
String crlf = "\r\n";
String twoHyphens = "--";
String type = "144";
String parentID = "601903197";
connection.setUseCaches(false);
connection.setDoOutput(true); /* indicates POST method */
connection.setDoInput(true);
connection.setRequestProperty("Connection", "Keep-Alive");
connection.setRequestProperty("Cache-Control", "no-cache");
connection.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
File file = new File(filePath);
String fileBaseName = FilenameUtils.getBaseName(file.toString());
request = request.trim();
if (request != "") {
try (DataOutputStream dos = new DataOutputStream(connection.getOutputStream())) {
dos.writeBytes(twoHyphens + boundary + crlf);
dos.writeBytes("Content-Disposition: form-data; name=\"parent_id\""+crlf);
dos.writeBytes("Content-Type: text/plain; charset=utf-8"+crlf);
dos.writeBytes(crlf);
dos.writeBytes(parentID+crlf);
dos.flush();
dos.writeBytes(twoHyphens + boundary + crlf);
dos.writeBytes("Content-Disposition: form-data; name=\"type\""+crlf);
dos.writeBytes("Content-Type: text/plain; charset=utf-8"+crlf);
dos.writeBytes(crlf);
dos.writeBytes(type+crlf);
dos.flush();
dos.writeBytes(twoHyphens + boundary + crlf);
dos.writeBytes("Content-Disposition: form-data; name=\"name\""+crlf);
dos.writeBytes("Content-Type: text/plain; charset=utf-8"+crlf);
dos.writeBytes(crlf);
dos.writeBytes(fileBaseName+crlf);
dos.flush();
dos.writeBytes(twoHyphens + boundary + crlf);
dos.writeBytes("Content-Disposition: form-data; name=\"file\";filename\""+file.getName()+"\""+crlf);
String mimetype = connection.guessContentTypeFromName(file.getName());
mimetype = mimetype == null ? "application/octet-stream" : mimetype;
dos.writeBytes("Content-Type: " + mimetype + crlf);
dos.writeBytes("Content-Transfer-Encoding: binary"+crlf);
dos.writeBytes(crlf);
FileInputStream inputStream = new FileInputStream(file);
byte[] bytes = new byte[4096];
int bytesRead = -1;
while ((bytesRead = inputStream.read(bytes)) != -1) {
dos.write(bytes, 0, bytesRead);
}
inputStream.close();
dos.writeBytes(crlf);
dos.writeBytes(twoHyphens + boundary + twoHyphens + crlf);
dos.flush();
}
}
code = connection.getResponseCode();
var errorStream = connection.getErrorStream();
InputStream stream = errorStream != null ? errorStream : connection.getInputStream();
BufferedReader in = new BufferedReader(new InputStreamReader(stream));
String inputLine;
StringBuffer responseBuffer = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
responseBuffer.append(inputLine);
}
in.close();
connection.disconnect();
response = responseBuffer.toString();
return new Response(code, response);
}

Android multipart file upload with OkHttp

I am using this for audio records and video file and it is working but i want to replace it with OkHttp. I didnt figure it out. Can anyone help me about it?
public class HttpMultipartUpload {
static String lineEnd = "\r\n";
static String twoHyphens = "--";
static String boundary = "AaB03x87yxdkjnxvi7";
public static String upload(URL url, File file, String fileParameterName, HashMap<String, String> parameters)
throws IOException {
HttpURLConnection conn = null;
DataOutputStream dos = null;
DataInputStream dis = null;
FileInputStream fileInputStream = null;
byte[] buffer;
int maxBufferSize = 20 * 1024;
try {
//------------------ CLIENT REQUEST
fileInputStream = new FileInputStream(file);
// open a URL connection to the Servlet
// Open a HTTP connection to the URL
conn = (HttpURLConnection) url.openConnection();
// Allow Inputs
conn.setDoInput(true);
// Allow Outputs
conn.setDoOutput(true);
// Don't use a cached copy.
conn.setUseCaches(false);
// Use a post method.
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
dos = new DataOutputStream(conn.getOutputStream());
dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes("Content-Disposition: form-data; name=\"" + fileParameterName
+ "\"; filename=\"" + file.toString() + "\"" + lineEnd);
dos.writeBytes("Content-Type: text/xml" + lineEnd);
dos.writeBytes(lineEnd);
// create a buffer of maximum size
buffer = new byte[Math.min((int) file.length(), maxBufferSize)];
int length;
// read file and write it into form...
while ((length = fileInputStream.read(buffer)) != -1) {
dos.write(buffer, 0, length);
}
for (String name : parameters.keySet()) {
dos.writeBytes(lineEnd);
dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes("Content-Disposition: form-data; name=\"" + name + "\"" + lineEnd);
dos.writeBytes(lineEnd);
dos.writeBytes(parameters.get(name));
}
// send multipart form data necessary after file data...
dos.writeBytes(lineEnd);
dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
dos.flush();
} finally {
if (fileInputStream != null) fileInputStream.close();
if (dos != null) dos.close();
}
//------------------ read the SERVER RESPONSE
try {
dis = new DataInputStream(conn.getInputStream());
StringBuilder response = new StringBuilder();
String line;
while ((line = dis.readLine()) != null) {
response.append(line).append('\n');
}
return response.toString();
} finally {
if (dis != null) dis.close();
}
}
}
How can I change it with OkHttp. Any code please. I dont have good knowledge about on OkHttp. I was using (HttpURLConnection) but it seems not effective now.

See the documentation example on posting form data
https://github.com/square/okhttp/blob/master/samples/guide/src/main/java/okhttp3/recipes/PostMultipart.java
RequestBody requestBody = new MultipartBody.Builder()
.setType(MultipartBody.FORM)
.addFormDataPart("title", "Square Logo")
.addFormDataPart("image", "logo-square.png",
RequestBody.create(
new File("docs/images/logo-square.png"),
MEDIA_TYPE_PNG))
.build();
Request request = new Request.Builder()
.header("Authorization", "Client-ID " + IMGUR_CLIENT_ID)
.url("https://api.imgur.com/3/image")
.post(requestBody)
.build();

Unable to upload a file to server in android?

I have a problem with uploading file to the server. Here i'm trying to create the registration form.
I need to upload all values that taken from user, along with that i need to upload the resume resume is in PDF format.
Here is my code. Please look into it.
public String serverResponse(String mFilePath){
HttpClient client = new DefaultHttpClient();
HttpPost poster = new HttpPost(mUrl);
File resume = new File(mFilePath); //Actual file from the device
MultipartEntity entity = new MultipartEntity(HttpMultipartMode.BROWSER_COMPATIBLE);
entity.addPart("name", new StringBody("name"));
entity.addPart("phone", new StringBody("1234567890"));
entity.addPart("attachment", new FileBody(resume));
poster.setEntity(entity);
return client.execute(poster, new ResponseHandler<String>() {
public String handleResponse(HttpResponse response) throws IOException {
HttpEntity respEntity = response.getEntity();
return EntityUtils.toString(respEntity);
}
});
}
The problem is above code works when i send the data to url("http://www.example.com"), and it doesn't works on the url("https://www.example.com").
can anyone tell what's wrong on my code.
Please help me on this.
Edit : I checked the request from android in server side, there i found empty data in request and it response back with default message(response that set in server).
so my request hits the server with empty values. Is problem in my code (or) server side ?
just now i checked, that this same URL works fine in website.
Please direct me in correct way if i was wrong
Thanks in Advance.

try this code i hope this will help you.
public String uploadFile(String filePath, String name, String phone, String url) throws Exception {
String crlf = "\r\n";
String twoHyphens = "--";
String boundary = "*****";
HttpURLConnection httpUrlConnection = null;
OutputStream outputStream = null;
InputStream inputStream = null;
InputStreamReader in = null;
try {
URL urlObj = new URL(url);
httpUrlConnection = (HttpURLConnection) urlObj.openConnection();
httpUrlConnection.setReadTimeout(10 * 1000);
httpUrlConnection.setConnectTimeout(10 * 1000);
httpUrlConnection.setDoInput(true);
File file = new File(filePath);
if (file != null) {
httpUrlConnection.setUseCaches(false);
httpUrlConnection.setRequestMethod("POST");
httpUrlConnection.setRequestProperty("Connection", "Keep-Alive");
httpUrlConnection.setRequestProperty("Cache-Control", "no-cache");
httpUrlConnection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
outputStream = httpUrlConnection.getOutputStream();
outputStream.write((crlf + twoHyphens + boundary + crlf).getBytes());
outputStream.write(("Content-Disposition: form-data; name=\"name\"" + crlf + crlf + name).getBytes());
outputStream.write((crlf + twoHyphens + boundary + crlf).getBytes());
outputStream.write(("Content-Disposition: form-data; name=\"phone\"" + crlf + crlf + phone).getBytes());
outputStream.write((crlf + twoHyphens + boundary + crlf).getBytes());
Log.e("Response :", "Response Code : " + file.getName());
outputStream.write(("Content-Disposition: form-data; name=\"file\"; filename=\""
+ file.getName()
+ "\""
+ crlf
+ "Content-Type: image/jpeg" + crlf).getBytes());
outputStream.write(crlf.getBytes());
FileInputStream fis = new FileInputStream(file);
byte[] buffer = new byte[1024];
int length;
while ((length = fis.read(buffer)) > 0) {
outputStream.write(buffer, 0, length);
}
outputStream.write(crlf.getBytes());
outputStream.write((twoHyphens + boundary + twoHyphens + crlf).getBytes());
outputStream.flush();
outputStream.close();
fis.close();
}
httpUrlConnection.connect();
Log.e("Response :", "Response Code : " + httpUrlConnection.getResponseCode());
if (httpUrlConnection.getResponseCode() == -1) {
onImageUploadCompleted.onImageUploadCompleted("error -1");
Log.e("Connection error", "Connection error: url " + url);
String json = "{\"error\": {\"code\": 991, \"message\": \"Connection error: `991`\"}}";
}
if (httpUrlConnection.getResponseCode() == 204) {
return "Upload failed";
}
if (httpUrlConnection.getResponseCode() == 200) {
inputStream = httpUrlConnection.getInputStream();
}
else
inputStream = httpUrlConnection.getErrorStream();
in = new InputStreamReader(inputStream);
StringBuilder sb = new StringBuilder();
int read;
char[] buff = new char[1024];
while ((read = in.read(buff)) != -1) {
sb.append(buff, 0, read);
}
File f = new File(filePath);
f.delete();
Log.e("Response ", "Response text : " + sb.toString());
if (httpUrlConnection.getResponseCode() != 200) {
//ParseJson.parseException(sb.toString());
Log.e("Failed", "Failed safe : " + sb.toString());
return sb.toString();
}
return sb.toString();
} catch (Exception e) {
if (outputStream != null) {
outputStream.close();
}
if (in != null) {
in.close();
}
if (inputStream != null) {
inputStream.close();
}
e.printStackTrace();
} finally {
if (httpUrlConnection != null) {
httpUrlConnection.disconnect();
}
}
return null;
}

I use this code to post a file.Should be used in background thread, and function will return the server response.
public String postFile(String mFileName,String apiUrl,String fileType,HashMap<String,String> params) throws Exception{
String output = "null";
HttpURLConnection connection = null;
DataOutputStream outputStream = null;
InputStream inputStream = null;
String twoHyphens = "--";
String boundary = "*****" + Long.toString(System.currentTimeMillis())
+ "*****";
String lineEnd = "\r\n";
String result = "";
int bytesRead, bytesAvailable, bufferSize, bytesTransffered, bytesTotals;
byte[] buffer;
int maxBufferSize = 10;
String[] q = mFileName.split("/");
int idx = q.length - 1;
File file = new File(mFileName);
FileInputStream fileInputStream = new FileInputStream(file);
URL url = new URL(apiUrl);
connection = (HttpURLConnection) url.openConnection();
connection.setDoInput(true);
connection.setDoOutput(true);
connection.setUseCaches(false);
connection.setRequestMethod("POST");
connection.setRequestProperty("Connection", "Keep-Alive");
connection.setRequestProperty("User-Agent",
"Android Multipart HTTP Client 1.0");
connection.setRequestProperty("Content-Type",
"multipart/form-data; boundary=" + boundary);
outputStream = new DataOutputStream(connection.getOutputStream());
outputStream.writeBytes(twoHyphens + boundary + lineEnd);
Log.d(TAG, "msg is " + q[idx]);
outputStream.writeBytes("Content-Disposition: form-data; name=\""
+ "file" + "\"; filename=\"" + q[idx] + "\"" + lineEnd);
outputStream.writeBytes("Content-Type: " + fileType + lineEnd);
outputStream.writeBytes("Content-Transfer-Encoding: binary"
+ lineEnd);
outputStream.writeBytes(lineEnd);
bytesAvailable = fileInputStream.available();
long bytesTotal = file.length();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
buffer = new byte[bufferSize];
bytesTransffered = 0;
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
bytesTransffered = bytesRead;
while (bytesRead > 0) {
outputStream.write(buffer, 0, bufferSize);
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
bytesTransffered += bytesRead;
if (mProgressUpdateListener != null) {
publishProgress((100 * bytesTransffered)
/ Integer.parseInt(bytesTotal + ""));
} else {
Log.d(TAG, "Progress Listener is Null");
}
}
outputStream.writeBytes(lineEnd);
Iterator it = params.entrySet().iterator();
while (it.hasNext()) {
Map.Entry pair = (Map.Entry)it.next();
String key= (String) pair.getKey();
String value = (String) pair.getValue();
outputStream.writeBytes(twoHyphens + boundary + lineEnd);
outputStream.writeBytes("Content-Disposition: form-data; name=\"" + key + "\"" + lineEnd);
outputStream.writeBytes("Content-Type: text/plain" + lineEnd);
outputStream.writeBytes(lineEnd);
outputStream.writeBytes(value);
outputStream.writeBytes(lineEnd);
outputStream.writeBytes(twoHyphens + boundary + twoHyphens
+ lineEnd);
}
Log.d(TAG,"Response code "+connection.getResponseCode());
if (connection.getResponseCode() == 200) {
InputStream in = connection.getInputStream();
BufferedReader rd = new BufferedReader(
new InputStreamReader(in));
output = "";
String line;
while ((line = rd.readLine()) != null) {
output += line;
}
}
return output;
}

Use Retrofit to uplaod a file.
It is faster and easy
Create an interface
public interface ApiClient {
#Multipart
#POST(NetworkUtils.UPLOAD_PHOTO_URL)
Call<PhotoResponseModel> uploadPhoto(
#Header("id") String id,
#Header("imageId") String imageId,
/*#Part("description") RequestBody description,*/
#Part MultipartBody.Part photo);
}
call this method
public void syncPhoto()
{
Retrofit.Builder builder = new Retrofit.Builder()
.baseUrl(NetworkUtils.SERVER_PATH)
.addConverterFactory(GsonConverterFactory.create());
Retrofit retrofit = builder.build();
ApiClient apiClient = retrofit.create`(ApiClient.class);
RequestBody filePart = RequestBody.create(/*MediaType.parse(context.getContentResolver().getType(Uri.parse(photoDetails.getImageUrl())))*/
MediaType.parse("image/*"),
file);
MultipartBody.Part fileMultiPart = MultipartBody.Part.createFormData("photo", file.getName(), filePart);
Call<PhotoResponseModel> call = apiClient.uploadPhoto(id, imageId, fileMultiPart);
call.enqueue(new Callback<PhotoResponseModel>() {
#Override
public void onResponse(Call<PhotoResponseModel> call, Response<PhotoResponseModel> response) {
}
}
}
#Override
public void onFailure(Call<PhotoResponseModel> call, Throwable t) {
Log.d("Error", "onFailure: ");
}
});
}
Add dependencies to gradle
compile 'com.squareup.retrofit2:retrofit:2.1.0'
compile 'com.squareup.retrofit2:converter-gson:2.0.2'
compile 'com.squareup.okhttp3:logging-interceptor:3.3.1'
check this link
https://futurestud.io/tutorials/retrofit-2-how-to-upload-files-to-server

upload video and variable to server?

UPDATE answer is here :) https://stackoverflow.com/a/23648537/6042879
i want to be able to upload my video and a variable to my server to use in the PHP script.
So far i can choose the video i want from my phone and upload it perfectly fine to the server but cant figure out exactly how to send the variable with the video. I can do them separately but it wont work if i combine them.
i use this code to use to upload variables:
//Uploads the product details
try {//Try block is to see if the call to the database can work.
URL url = new URL(ProductDetails_URL);//Create a new URL and put there variable "register_URL" into it.
HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();//Create a httpConnection and open it
httpURLConnection.setRequestMethod("POST");//Use the request method
httpURLConnection.setDoOutput(true);
OutputStream OS = httpURLConnection.getOutputStream();
BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(OS, "UTF-8"));
String data = URLEncoder.encode("ProductOwnerEmail", "UTF-8") + "=" + URLEncoder.encode(ProductOwnerEmail, "UTF-8") + "&" +
URLEncoder.encode(DescriptionPoint3, "UTF-8");
bufferedWriter.write(data);
bufferedWriter.flush();
bufferedWriter.close();
OS.close();
InputStream IS = httpURLConnection.getInputStream();
IS.close();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) { //url.openConnection() catch statement
e.printStackTrace();
}
Video upload code:
try{
FileInputStream fileInputStream = new FileInputStream(sourceFile);
URL url = new URL(UploadVideo_URL);
conn = (HttpURLConnection) url.openConnection();
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setUseCaches(false);
conn.setRequestMethod("POST");
conn.setRequestProperty("Connection", "Keep-Alive");
conn.setRequestProperty("ENCTYPE", "multipart/form-data");
conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
conn.setRequestProperty("myFile", selectedPath);
dos = new DataOutputStream(conn.getOutputStream());
dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes("Content-Disposition: form-data; name=\"myFile\";filename=\"" + selectedPath + "\"" + lineEnd);
dos.writeBytes(lineEnd);
dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes("Content-Disposition: form-data; name=\"Details\";Email=\"" + ProductOwnerEmail + "\"" + lineEnd);
dos.writeBytes(lineEnd);
dos.write(ProductOwnerEmail.getBytes());
dos.writeBytes(lineEnd);
dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes("Content-Disposition: form-data; name=\"Details\";KeyCode=\"" + ProductKeyCode + "\"" + lineEnd);
dos.writeBytes(lineEnd);
dos.write(ProductOwnerEmail.getBytes());
dos.writeBytes(lineEnd);
bytesAvailable = fileInputStream.available();
Log.i("Huzza", "Initial .available : " + bytesAvailable);
bufferSize = Math.min(bytesAvailable, maxBufferSize);
buffer = new byte[bufferSize];
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
while (bytesRead > 0) {
dos.write(buffer, 0, bufferSize);
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
}
dos.writeBytes(lineEnd);
dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
serverResponseCode = conn.getResponseCode();
fileInputStream.close();
dos.flush();
dos.close();
} catch (Exception e) {
e.printStackTrace();
return "Product upload failed";
}
PHP code:
<?php
if($_SERVER['REQUEST_METHOD']=='POST'){
$file_name = $_FILES['myFile']['name'];
$file_size = $_FILES['myFile']['size'];
$file_type = $_FILES['myFile']['type'];
$temp_name = $_FILES['myFile']['tmp_name'];
$ProductOwnerEmail = $_FILES['Details']['Email'];
$ProductKeyCode = $_FILES['Details']['KeyCode'];
$NewDirectory = "/var/www/html/ProductVideos/" . $ProductOwnerEmail;
if (!file_exists($NewDirectory))
{
mkdir($NewDirectory, 0777, true);
}
$location = "/var/www/html/ProductVideos/$ProductOwnerEmail/" . $ProductKeyCode;//$NewDirectory . '/' . $file_name;
move_uploaded_file($temp_name, $location);
echo "Uploaded!";
}else{
echo "Error";
}
?>

After you code:
dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes("Content-Disposition: form-data; name=\"myFile\";filename=\"" + SelectedPDF + "\"" + lineEnd);
dos.writeBytes(lineEnd);
Write something like below to send variables:
dos.writeBytes(LINE_END);
// Loop a list of variable that you want to send to server.
/*for (StringKeyValuePair pair : yourVariableList) {
dos.writeBytes(TWO_HYPHENS + BOUNDARY + LINE_END);
dos.writeBytes("Content-Disposition: form-data; name=\"" + pair.getKey()+ "\"" + LINE_END);
dos.writeBytes(LINE_END);
dos.write(pair.getValue().getBytes());
dos.writeBytes(LINE_END);
}*/
dos.writeBytes(TWO_HYPHENS + BOUNDARY + LINE_END);
dos.writeBytes("Content-Disposition: form-data; name=\"ProductOwnerEmail\"" + LINE_END);
dos.writeBytes(LINE_END);
dos.write(ProductOwnerEmail.getBytes());
dos.writeBytes(LINE_END);
dos.writeBytes(TWO_HYPHENS + BOUNDARY + LINE_END);
dos.writeBytes("Content-Disposition: form-data; name=\"ProductKeyCode\"" + LINE_END);
dos.writeBytes(LINE_END);
dos.write(ProductKeyCode.getBytes());
dos.writeBytes(LINE_END);

U can use Volley lib for this purpose. It also Keep your requests in a queue and easy to use http://developer.android.com/training/volley/index.html

java httpurlconnection "failed to read: line to long:"

I'm using httpurlconnection for uploading files to different servers.
For some hosts the following code is working and I'm able to upload files, but when I'm trying to upload to another host, I get an error message
"failed to read: line too long: \nContent-Disposition: form-data; name...
What does this error mean? I couldn't find any hints with google. Hope you can help. :)
private void upload(){
response = "";
DataOutputStream outputStream = null;
InputStream inputStream = null;
String twoHyphens = "--";
String boundary = "--------"+Long.toString(System.currentTimeMillis());
String lineEnd = "\n";
try {
File file = getFile();
StringBuffer sb = new StringBuffer();
sb.append(twoHyphens + boundary + lineEnd);
sb.append("Content-Disposition: form-data; name=\"file1\"; filename=\"" + getFilename() +"\"" + lineEnd);
sb.append("Content-Type: " + getMime() + lineEnd);
sb.append("Content-Transfer-Encoding: binary" + lineEnd);
sb.append(lineEnd);
FileInputStream fileInputStream = new FileInputStream(file);
connection = (HttpURLConnection) url.openConnection();
connection.setDoInput(true);
connection.setDoOutput(true);
connection.setUseCaches(false);
connection.setFixedLengthStreamingMode((uploadContainer.getFilesize() + sb.length() + lineEnd.length() + twoHyphens.length() + boundary.length() + twoHyphens.length() + lineEnd.length()));
connection.setRequestMethod("POST");
connection.setRequestProperty("Connection", "Keep-Alive");
connection.setRequestProperty("User-Agent", USER_AGENT);
connection.setRequestProperty("Content-Type", "multipart/form-data; boundary="+boundary);
outputStream = new DataOutputStream(connection.getOutputStream());
outputStream.writeBytes(twoHyphens + boundary + lineEnd);
outputStream.writeBytes("Content-Disposition: form-data; name=\"file1\"; filename=\"" + getFilename() +"\"" + lineEnd);
outputStream.writeBytes("Content-Type: " + getMime() + lineEnd);
outputStream.writeBytes("Content-Transfer-Encoding: binary" + lineEnd);
outputStream.writeBytes(lineEnd);
int bytesRead = -1;
byte[] buffer = new byte[4096];
boolean cancelled = false;
while ((bytesRead = fileInputStream.read(buffer)) > 0){
outputStream.write(buffer, 0, bytesRead);
if(Thread.currentThread().isInterrupted()){
cancelled = true;
break;
}
}
if(cancelled == false){
outputStream.writeBytes(lineEnd);
outputStream.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
outputStream.flush();
inputStream = connection.getInputStream();
response = convertStreamToString(inputStream);
inputStream.close();
} else {
// ...
}
fileInputStream.close();
} catch(Exception e) {/e.printStackTrace();
} finally {
try {
outputStream.close();
} catch (IOException e) {e.printStackTrace();
}
}
}

String lineEnd = "\n";
The problem is here. The line terminator in HTTP is defined as \r\n, not \n.