i am sending command to the socket to get status from the device the command is "bc " my program is: Code: public final class Connection { private static StringBuilder response = new StringBuilder(); final static String charset = "ISO-8859-1"; /** * * @description : Constructor */ private Connection(){ } /** * * @method sendRequest * @description : Method to create connection with socket using IP address and port No. * @param : host * @param : port * @param : command * @param : timeoutInMillis * @return void * @throws NetworkErrorException */ public static String sendRequest(final String host,final int port, final String command, final int timeoutInMillis) throws UnknownHostException,NetworkSettingException { if (host == null) { throw new NullPointerException("host is null"); //NOPMD } Socket clientSocket=null; try { /** * Creating socket connection with IP address and port number to send Command */ try{ clientSocket = new Socket(host, port); }catch (Exception e) { e.printStackTrace(); throw new NetworkSettingException(e.getMessage()); } clientSocket.setSoTimeout(timeoutInMillis); /** * Print formatted representations of objects to a text-output stream. */ final PrintWriter outPutStream = new PrintWriter(new OutputStreamWriter(clientSocket.getOutputStream(), charset)); try { outPutStream.print(command); Log.d("Outgoing data : ", command); outPutStream.flush(); /** * responseString object contain the response after executing the command on socket */ BufferedReader responseString = new BufferedReader(new InputStreamReader(clientSocket.getInputStream(), charset)); try { //response.append("s12s22s32s42"); try{ Log.d("Shivam","Come in while"); int c = 0; while (((c = responseString.read()) != '\n') && (c != -1)) { response.append((char)c); System.out.println(response.toString()); } }catch (Exception e) { System.out.println(e); e.printStackTrace(); } } finally { responseString.close(); } } finally { outPutStream.close(); } } catch(IOException ex){ Log.d("ConnectionRefused IOException: ",ex.getMessage()); } catch(NullPointerException ex){ //NOPMD Log.d("ConnectionRefused NullPointerException : ",ex.getMessage()); } finally { try { clientSocket.close(); } catch (NullPointerException ex) { //NOPMD Log.d("NullPointerException", "No Socket to close - " +ex.toString()); } catch (IOException ex) { Log.d("IOException", "Unable to close Socket - " +ex.toString()); } } Log.d("FRinal REsponse",response.toString()); return response.toString(); } } Code: 08-24 00:34:30.728: DEBUG/Parameter sent to Socket :(1257): ip_address :192.168.1.106 port : 8002 response_time : 1000 command : bc 08-24 00:34:30.870: DEBUG/Outgoing data :(1257): bc 08-24 00:34:30.883: DEBUG/Shivam(1257): Come in while 08-24 00:34:31.598: DEBUG/dalvikvm(722): GC_EXPLICIT freed <1K, 18% free 12923K/15751K, paused 8ms+14ms 08-24 00:34:31.887: INFO/System.out(1257): java.net.SocketTimeoutException 08-24 00:34:31.887: WARN/System.err(1257): java.net.SocketTimeoutException 08-24 00:34:32.108: WARN/System.err(1257): at org.apache.harmony.luni.net.PlainSocketImpl.read(PlainSocketImpl.java:451) 08-24 00:34:32.108: WARN/System.err(1257): at org.apache.harmony.luni.net.SocketInputStream.read(SocketInputStream.java:75) 08-24 00:34:32.108: WARN/System.err(1257): at java.io.InputStreamReader.read(InputStreamReader.java:248) 08-24 00:34:32.108: WARN/System.err(1257): at java.io.BufferedReader.fillBuf(BufferedReader.java:130) 08-24 00:34:32.118: WARN/System.err(1257): at java.io.BufferedReader.readLine(BufferedReader.java:357) 08-24 00:34:32.130: WARN/System.err(1257): at com.shivam.connection.Connection.sendRequest(Connection.java:113) 08-24 00:34:32.130: WARN/System.err(1257): at com.shivam.device.AbstractDevice.sendCommandToSocket(AbstractDevice.java:90) 08-24 00:34:32.200: WARN/System.err(1257): at com.shivam.device.Hdmi.sendDataToSocket(Hdmi.java:91) 08-24 00:34:32.200: WARN/System.err(1257): at com.shivam.device.Hdmi.selectedCombinations(Hdmi.java:75) 08-24 00:34:32.200: WARN/System.err(1257): at com.shivam.serviceImpl.DeviceServiceImpl.selectedCombinations(DeviceServiceImpl.java:76) 08-24 00:34:32.200: WARN/System.err(1257): at com.shivam.user.activity.CommandActivity.deviceCurrentStatus(CommandActivity.java:100) 08-24 00:34:32.200: WARN/System.err(1257): at com.shivam.user.activity.CommandActivity.onCreate(CommandActivity.java:78) 08-24 00:34:32.200: WARN/System.err(1257): at android.app.Activity.performCreate(Activity.java:4397) 08-24 00:34:32.200: WARN/System.err(1257): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1048) 08-24 00:34:32.334: WARN/System.err(1257): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1779) 08-24 00:34:32.334: WARN/System.err(1257): at android.app.ActivityThread.startActivityNow(ActivityThread.java:1656) 08-24 00:34:32.334: WARN/System.err(1257): at android.app.LocalActivityManager.moveToState(LocalActivityManager.java:135) 08-24 00:34:32.334: WARN/System.err(1257): at android.app.LocalActivityManager.startActivity(LocalActivityManager.java:347) 08-24 00:34:32.334: WARN/System.err(1257): at android.widget.TabHost$IntentContentStrategy.getContentView(TabHost.java:676) 08-24 00:34:32.334: WARN/System.err(1257): at android.widget.TabHost.setCurrentTab(TabHost.java:345) 08-24 00:34:32.334: WARN/System.err(1257): at android.widget.TabHost.addTab(TabHost.java:235) 08-24 00:34:32.334: WARN/System.err(1257): at com.shivam.user.activity.TabScreen.onCreate(TabScreen.java:81) 08-24 00:34:32.382: WARN/System.err(1257): at android.app.Activity.performCreate(Activity.java:4397) 08-24 00:34:32.382: WARN/System.err(1257): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1048) 08-24 00:34:32.382: WARN/System.err(1257): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1779) 08-24 00:34:32.699: WARN/System.err(1257): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1831) 08-24 00:34:32.754: WARN/System.err(1257): at android.app.ActivityThread.access$500(ActivityThread.java:122) 08-24 00:34:32.754: WARN/System.err(1257): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1024) 08-24 00:34:32.754: WARN/System.err(1257): at android.os.Handler.dispatchMessage(Handler.java:99) 08-24 00:34:32.754: WARN/System.err(1257): at android.os.Looper.loop(Looper.java:132) 08-24 00:34:32.754: WARN/System.err(1257): at android.app.ActivityThread.main(ActivityThread.java:4123) 08-24 00:34:32.944: WARN/System.err(1257): at java.lang.reflect.Method.invokeNative(Native Method) 08-24 00:34:32.944: WARN/System.err(1257): at java.lang.reflect.Method.invoke(Method.java:491) 08-24 00:34:32.944: WARN/System.err(1257): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841) 08-24 00:34:32.974: WARN/System.err(1257): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599) 08-24 00:34:32.974: WARN/System.err(1257): at dalvik.system.NativeStart.main(Native Method) 08-24 00:34:33.054: DEBUG/Length(1257): 1 08-24 00:34:33.194: DEBUG/array value(1257): c 08-24 00:34:37.171: INFO/ActivityManager(672): Displayed com.shivam.user.activity/.TabScreen: +21s564ms 08-24 00:34:37.428: DEBUG/TabletStatusBar(848): lights on 08-24 00:34:39.878: DEBUG/dalvikvm(914): GC_EXPLICIT freed 18K, 5% free 6378K/6663K, paused 105ms+19ms 08-24 00:34:41.703: DEBUG/dalvikvm(722): GC_CONCURRENT freed 1365K, 15% free 13522K/15751K, paused 9ms+9ms 08-24 00:34:45.088: DEBUG/dalvikvm(792): GC_EXPLICIT freed 154K, 4% free 6833K/7111K, paused 8ms+9ms 08-24 00:34:50.068: DEBUG/dalvikvm(722): GC_EXPLICIT freed 433K, 17% free 13102K/15751K, paused 19ms+13ms 08-24 00:37:59.651: DEBUG/SntpClient(672): request time failed: java.net.SocketException: Address family not supported by protocol 08-24 00:42:59.959: DEBUG/SntpClient(672): request time failed: java.net.SocketException: Address family not supported by protocol 08-24 00:45:00.978: DEBUG/dalvikvm(848): GC_CONCURRENT freed 1240K, 12% free 10295K/11655K, paused 382ms+135ms 08-24 00:47:59.974: DEBUG/SntpClient(672): request time failed: java.net.SocketException: Address family not supported by protocol 08-24 00:48:10.288: DEBUG/dalvikvm(742): GC_CONCURRENT freed 404K, 8% free 6715K/7239K, paused 472ms+27ms 08-24 00:53:00.037: DEBUG/SntpClient(672): request time failed: java.net.SocketException: Address family not supported by protocol 08-24 00:58:00.041: DEBUG/SntpClient(672): request time failed: java.net.SocketException: Address family not supported by protocol 08-24 01:03:00.047: DEBUG/SntpClient(672): request time failed: java.net.SocketException: Address family not supported by protocol 08-24 01:04:57.088: DEBUG/TabletStatusBar(848): lights on 08-24 01:04:59.457: DEBUG/AndroidRuntime(1268): >>>>>> AndroidRuntime START com.android.internal.os.RuntimeInit <<<<<< 08-24 01:04:59.457: DEBUG/AndroidRuntime(1268): CheckJNI is ON 08-24 01:05:00.612: WARN/WindowManager(672): Failure taking screenshot for (230x135) to layer 21010 08-24 01:05:01.772: DEBUG/dalvikvm(1257): GC_CONCURRENT freed 906K, 38% free 9894K/15751K, paused 26ms+427ms 08-24 01:05:02.098: DEBUG/dalvikvm(722): GC_EXPLICIT freed <1K, 17% free 13101K/15751K, paused 1700ms+35ms 08-24 01:05:02.698: WARN/InputManagerService(672): Starting input on non-focused client com.android.internal.view.IInputMethodClient$Stub$Proxy@407e4c70 (uid=10036 pid=1257) 08-24 01:05:06.178: DEBUG/AndroidRuntime(1268): Calling main entry com.android.commands.pm.Pm 08-24 01:05:06.748: DEBUG/dalvikvm(722): GC_CONCURRENT freed 2048K, 18% free 13067K/15751K, paused 9ms+8ms 08-24 01:05:07.888: DEBUG/dalvikvm(722): GC_CONCURRENT freed 1070K, 12% free 13975K/15751K, paused 9ms+7ms 08-24 01:05:08.237: DEBUG/dalvikvm(1068): GC_EXPLICIT freed 12K, 5% free 6302K/6595K, paused 567ms+13ms i want to know why this time out exception and how can i handle the response ... commands are executing well.
