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POError in http connection in android
 

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    <p>Im getting this error. I don't know what is wrong. Can someone help me with it? Searched a bit, But dont know how to solve it... It is kinda urgent.</p> <p>This is my code:</p> <pre><code> package nearest.moskee.almawada; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.List; import java.util.Locale; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import android.app.Activity; import android.app.ProgressDialog; import android.location.Address; import android.location.Geocoder; import android.os.AsyncTask; import android.os.Handler; import android.os.Looper; import android.util.Log; import com.google.android.maps.GeoPoint; public class MoskeeJSON extends Activity { private Handler mHandler = new Handler(Looper.getMainLooper()); String url; HttpClient httpclient; InputStream is = null; private class MyAsyncTask extends AsyncTask&lt;Void, Void, Void&gt; { ProgressDialog mProgressDialog; @Override protected void onPostExecute(Void result) { mProgressDialog.dismiss(); } @Override protected void onPreExecute() { mProgressDialog = ProgressDialog.show(MoskeeJSON.this, "Loading...", "Data is Loading..."); } @Override protected Void doInBackground(Void... params) { try { HttpPost httppost = new HttpPost(url); //HttpGet httppost = new HttpGet(url); HttpResponse response = httpclient.execute(httppost); HttpEntity entity = response.getEntity(); is = entity.getContent(); Log.e("url", url); } catch (Exception e) { Log.e("log_tag", "Error in http connection " + e.toString()); } return null; } } public JSONArray getCloseMosquesInJSON(float lat, float lng, float radius) { String result = ""; try { httpclient = new DefaultHttpClient(); url = "http://www.moskee.org/finder/getCloseDataInJSON.php?lat=" + lat + "&amp;lng=" + lng + "&amp;radius=" + radius; new MyAsyncTask().execute(); Log.v("URL =&gt;", url); } catch (Exception e) { Log.e("log_tag", "Error in http connection " + e.toString()); } // convert response to string try { BufferedReader reader = new BufferedReader(new InputStreamReader( is, "iso-8859-1"), 8); StringBuilder sb = new StringBuilder(); String line = null; while ((line = reader.readLine()) != null) { sb.append(line + "\n"); } is.close(); result = sb.toString(); Log.e("result", result); Log.e("resultLength", result.length() + ""); } catch (Exception e) { Log.e("log_tag", "Error converting result " + e.toString()); } // parse json data if (result.length() == 5) { Log.i("result is ", "LEEG"); return null; } else { JSONArray jArray = null; try { jArray = new JSONArray(result); } catch (JSONException e) { Log.e("log_tag", "Error parrsing data " + e.toString()); } return jArray; } } JSONObject jsonObject; StringBuilder stringBuilder; } </code></pre> <p>The Errors</p> <blockquote> <p>06-07 15:04:07.329: I/dalvikvm(1643): threadid=3: reacting to signal 3 06-07 15:04:07.370: I/dalvikvm(1643): Wrote stack traces to '/data/anr/traces.txt' 06-07 15:04:07.828: I/dalvikvm(1643): threadid=3: reacting to signal 3 06-07 15:04:07.898: I/dalvikvm(1643): Wrote stack traces to '/data/anr/traces.txt' 06-07 15:04:07.988: D/gralloc_goldfish(1643): Emulator without GPU emulation detected. 06-07 15:04:24.098: D/InputEventConsistencyVerifier(1643): KeyEvent: ACTION_UP but key was not down. 06-07 15:04:24.098: D/InputEventConsistencyVerifier(1643): in android.widget.EditText@412aa7f0 06-07 15:04:24.098: D/InputEventConsistencyVerifier(1643): 0: sent at 16907476000000, KeyEvent { action=ACTION_UP, keyCode=KEYCODE_TAB, scanCode=15, metaState=0, flags=0x8, repeatCount=0, eventTime=16907476, downTime=16907424, deviceId=0, source=0x301 } 06-07 15:04:24.098: D/InputEventConsistencyVerifier(1643): -- recent events -- 06-07 15:04:24.098: D/InputEventConsistencyVerifier(1643): 1: sent at 16902546208000, MotionEvent { action=ACTION_UP, id[0]=0, x[0]=229.0, y[0]=2.0, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=16902546, downTime=16902470, deviceId=0, source=0x1002 } 06-07 15:04:24.098: D/InputEventConsistencyVerifier(1643): 2: sent at 16902470916000, MotionEvent { action=ACTION_DOWN, id[0]=0, x[0]=229.0, y[0]=2.0, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=16902470, downTime=16902470, deviceId=0, source=0x1002 } 06-07 15:04:27.649: V/Adres =>(1643): Pierenbergstraat, Antwerpen 06-07 15:04:27.649: V/IL GeoPoint latitude =>(1643): 51.18809127807617 06-07 15:04:27.669: V/IL GeoPoint longitude =>(1643): 4.380319118499756 06-07 15:04:27.679: E/GA(1643): GA 06-07 15:04:28.219: I/dalvikvm(1643): threadid=3: reacting to signal 3 06-07 15:04:28.339: I/dalvikvm(1643): Wrote stack traces to '/data/anr/traces.txt' 06-07 15:04:28.419: D/dalvikvm(1643): GC_CONCURRENT freed 192K, 3% free 9323K/9607K, paused 7ms+6ms 06-07 15:04:28.419: W/CursorWrapperInner(1643): Cursor finalized without prior close() 06-07 15:04:28.419: W/CursorWrapperInner(1643): Cursor finalized without prior close() 06-07 15:04:28.719: I/dalvikvm(1643): threadid=3: reacting to signal 3 06-07 15:04:28.719: D/dalvikvm(1643): GC_FOR_ALLOC freed 54K, 3% free 9653K/9927K, paused 54ms 06-07 15:04:28.829: I/dalvikvm(1643): Wrote stack traces to '/data/anr/traces.txt' 06-07 15:04:28.909: E/log_tag(1643): Error in http connection java.lang.NullPointerException 06-07 15:04:28.909: E/log_tag(1643): Error converting result java.lang.NullPointerException 06-07 15:04:28.909: E/log_tag(1643): Error parrsing data org.json.JSONException: End of input at character 0 of 06-07 15:04:29.110: I/Center map?(1643): 51188091,4380319 06-07 15:04:29.110: I/Center map?(1643): Toegepast zonder erreurs 06-07 15:04:29.259: I/dalvikvm(1643): threadid=3: reacting to signal 3 06-07 15:04:29.370: I/dalvikvm(1643): Wrote stack traces to '/data/anr/traces.txt' 06-07 15:04:29.649: I/MapActivity(1643): Handling network change notification:CONNECTED 06-07 15:04:29.649: E/MapActivity(1643): Couldn't get connection factory client 06-07 15:04:29.810: I/dalvikvm(1643): threadid=3: reacting to signal 3 06-07 15:04:29.910: I/dalvikvm(1643): Wrote stack traces to '/data/anr/traces.txt' 06-07 15:04:30.089: D/dalvikvm(1643): GC_FOR_ALLOC freed 32K, 3% free 9946K/10183K, paused 59ms 06-07 15:04:30.229: I/dalvikvm(1643): threadid=3: reacting to signal 3 06-07 15:04:30.389: I/dalvikvm(1643): Wrote stack traces to '/data/anr/traces.txt' 06-07 15:04:31.499: D/dalvikvm(1643): GC_CONCURRENT freed 99K, 2% free 10360K/10567K, paused 8ms+7ms</p> </blockquote> <p>MoskeeResult</p> <pre><code> package nearest.moskee.almawada; import java.util.List; import org.json.JSONArray; import org.json.JSONException; import org.json.JSONObject; import android.app.AlertDialog; import android.graphics.drawable.Drawable; import android.os.Bundle; import android.util.Log; import com.google.android.maps.GeoPoint; import com.google.android.maps.MapActivity; import com.google.android.maps.MapController; import com.google.android.maps.MapView; import com.google.android.maps.Overlay; import com.google.android.maps.OverlayItem; public class MoskeeResults extends MapActivity { MapView mapView; MapController mc; GeoPoint p; @SuppressWarnings("unused") @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.main); mapView = (MapView) findViewById(R.id.myMap); mapView.setBuiltInZoomControls(true); List&lt;Overlay&gt; mapOverlays = mapView.getOverlays(); Drawable drawable = this.getResources().getDrawable( R.drawable.iconmoskee); OverlayItems itemizedoverlay = new OverlayItems(drawable,this); try { MoskeeJSON m = new MoskeeJSON(); Bundle extras = getIntent().getExtras(); float lat = 0; float lng = 0; float radius = 1; lat = (float) extras.getDouble("lat"); lng = (float) extras.getDouble("lng"); JSONArray arrMosques = m.getCloseMosquesInJSON(lat, lng, radius); if (arrMosques != null) { Log.i("Array aangemaakt", "Array is aangemaakt, het bevat " + arrMosques.length() + " moskeëen"); for (int i = 0; i &lt; arrMosques.length(); i++) { JSONObject row; row = arrMosques.getJSONObject(i); double jlat = row.getDouble("Latitude"); double jlng = row.getDouble("Longitude"); OverlayItem overlayitem = new OverlayItem(new GeoPoint( (int) (jlat * 1e6), (int) (jlng * 1e6)), row.getString("Naam"), row.getString("Straat")); itemizedoverlay.addOverlay(overlayitem); Log.i("=&gt;", "Another mosque is added to the map"); } Log.i("Array aangemaakt", "Array is aangemaakt, het bevat " + arrMosques.length() + " moskeëen"); AlertDialog alert = new AlertDialog.Builder(this) .setTitle("Aantal gevonden moskeëen") .setMessage( "Er zijn " + arrMosques.length() + " moskeëen gevonden in deze straal") .create(); alert.show(); } else { AlertDialog alert = new AlertDialog.Builder(this) .setTitle("Aantal gevonden moskeëen") .setMessage( "Er zijn geen moskeëen gevonden in deze straal.\nProbeer opnieuw te zoeken met een groter bereik") .create(); alert.show(); } mapOverlays.add(itemizedoverlay); mc = mapView.getController(); GeoPoint center = new GeoPoint((int) (lat * 1e6), (int) (lng * 1e6)); Log.i("Center map?", "" + (int) (lat * 1e6) + "," + (int) (lng * 1e6)); mc.setCenter(center); Log.i("Center map?", "Toegepast zonder erreurs"); mc.setZoom(17); } catch ( JSONException e) { // TODO Auto-generated catch block Log.i("JASOEN EXCEPTIOEN", "I have absolutely no idea what's going on..." + e.getMessage()); e.printStackTrace(); } } @Override protected boolean isRouteDisplayed() { // TODO Auto-generated method stub return false; } } </code></pre>
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    1. COWhat is in line 87 in your MoskeeResults.java?
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    2. COLine 86-87: Log.i("Array aangemaakt", "Array is aangemaakt, het bevat " + arrMosques.length() + " moskeëen");
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    3. COThis code is not contained in the code you pasted here. Anyway the variable `arrMosques` is null.
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      1. USWarrenFaith
 

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