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Android POST connection timeout

user6346
1#
user6346 Published in June 20, 2018, 10:45 pm

I'm trying to do a POST connection but it's not working. The error is "connect time out". Im sending an string and receiving another string and the post parameter is "quest". The server is working fine. I have done tests uploading a site for POST connections, and it all working. I am thinking that the problem is on the android side 'cause it's my first time trying to do a POST connection.

Also the server side is Node.js with Express framework handling with the call on /search.

Here is the Java code:

public class DownloadDados extends AsyncTask<String, Void, String> { 
    public static final String REQUEST_METHOD = "POST";
    public static final int READ_TIMEOUT = 20000;
    //public static final String charset = "UTF-8";
    public static final int CONNECTION_TIMEOUT = 20000;

    @Override
    protected void onPreExecute(){
        //Log.i(TAGAsync, "ON PRE EXECUTE");
        //Toast.makeText(TAGAs,"Buscando Servidor", Toast.LENGTH_LONG).show();
    }

    @Override
protected String doInBackground(String... params) {
        // params[0] an string
        String stringUrl = "http://XXX.XXX.XX.XX:3000/search"; //blocked for security reasons
        String quest = "quest="+params[0]; //enter the parameter
        int responseCode = 0;
        String result;
        String inputLine;

        try{
            URL myUrl = new URL(stringUrl);

            HttpURLConnection connection =(HttpURLConnection) myUrl.openConnection();

            connection.setRequestMethod(REQUEST_METHOD);
            connection.setReadTimeout(READ_TIMEOUT);
            connection.setConnectTimeout(CONNECTION_TIMEOUT);
            connection.setRequestProperty("Accept-Charset", "UTF-8");

            //connection.connect();

            String urlParameters = URLEncoder.encode(quest, "UTF-8");
            connection.setDoOutput(true);
            DataOutputStream dStream = new DataOutputStream(connection.getOutputStream());

            dStream.writeBytes(urlParameters);
            dStream.flush();
            dStream.close();

            responseCode = connection.getResponseCode();

            InputStreamReader streamReader = new InputStreamReader(connection.getInputStream());

            BufferedReader reader = new BufferedReader(streamReader);
            StringBuilder stringBuilder = new StringBuilder();

            while((inputLine = reader.readLine()) != null){
                stringBuilder.append(inputLine);
            }

            reader.close();
            streamReader.close();

            result = stringBuilder.toString();
        }
        catch(IOException e){
            Log.i(TAGAsync, "URL: "+ stringUrl + " Error: " + e.getMessage() + " responseCode: " + responseCode);
            //Toast.makeText(TAGAs,"Error: " + e.getMessage(), Toast.LENGTH_LONG).show();
            result = null;
        }

        return result;
    }

I was wondering if the error is on my Java code. Can someone help?

Edit:

05/16 21:39:03: Launching app
$ adb install-multiple -r -t -p com.bizzo.speech4beef C:\Users\Bizzo\AndroidStudioProjects\Speech4Beef\app\build\intermediates\split-apk\debug\slices\slice_1.apk 
Split APKs installed
$ adb shell am start -n "com.bizzo.speech4beef/com.bizzo.speech4beef.MainActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
Client not ready yet..Connected to process 23492 on device asus-asus_x00ld-HAAXB602M664EG3
Capturing and displaying logcat messages from application. This behavior can be disabled in the "Logcat output" section of the "Debugger" settings page.
W/System: ClassLoader referenced unknown path: /data/app/com.bizzo.speech4beef-1/lib/arm64
I/InstantRun: starting instant run server: is main process
V/Monotype: SetAppTypeFace- try to flip, app = com.bizzo.speech4beef
V/Monotype:     Typeface getFontPathFlipFont - systemFont = default#default
W/art: Before Android 4.1, method android.graphics.PorterDuffColorFilter android.support.graphics.drawable.VectorDrawableCompat.updateTintFilter(android.graphics.PorterDuffColorFilter, android.content.res.ColorStateList, android.graphics.PorterDuff$Mode) would have incorrectly overridden the package-private method in android.graphics.drawable.Drawable
V/Monotype: SetAppTypeFace- try to flip, app = com.bizzo.speech4beef
                Typeface getFontPathFlipFont - systemFont = default#default
V/BoostFramework: mAcquireFunc method = public int com.qualcomm.qti.Performance.perfLockAcquire(int,int[])
                  mReleaseFunc method = public int com.qualcomm.qti.Performance.perfLockRelease()
                  mAcquireTouchFunc method = public int com.qualcomm.qti.Performance.perfLockAcquireTouch(android.view.MotionEvent,android.util.DisplayMetrics,int,int[])
V/BoostFramework: mIOPStart method = public int com.qualcomm.qti.Performance.perfIOPrefetchStart(int,java.lang.String)
                  mIOPStop method = public int com.qualcomm.qti.Performance.perfIOPrefetchStop()
V/BoostFramework: BoostFramework() : mPerf = com.qualcomm.qti.Performance@c812720
V/BoostFramework: BoostFramework() : mPerf = com.qualcomm.qti.Performance@fa998d9
W/AbstractGoogleClient: Application name is not set. Call Builder#setApplicationName.
I/Adreno: QUALCOMM build                   : c5b7903, Ic4cf336e0a
          Build Date                       : 02/17/17
          OpenGL ES Shader Compiler Version: XE031.09.00.04
          Local Branch                     : 
          Remote Branch                    : 
          Remote Branch                    : 
          Reconstruct Branch               : 
I/OpenGLRenderer: Initialized EGL, version 1.4
D/OpenGLRenderer: Swap behavior 1
W/art: Before Android 4.1, method int android.support.v7.widget.DropDownListView.lookForSelectablePosition(int, boolean) would have incorrectly overridden the package-private method in android.widget.ListView
V/BoostFramework: BoostFramework() : mPerf = com.qualcomm.qti.Performance@901f80d
I/DpmTcmClient: RegisterTcmMonitor from: com.android.okhttp.TcmIdleTimerMonitor
D/NetworkSecurityConfig: No Network Security Config specified, using platform default
I/AsyncTask: URL: http://<--ComputerIP-->:3000/search Error: Connection timed out responseCode: 0
I/AsyncTask: Error to download data: main
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