Serial Listener Leak

[mihainigrini]

After using the serial listener for some time java kills the process because of memory leak. ()
package bbb;

import java.io.IOException;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;

import org.bulldog.beagleboneblack.BBBNames;
import org.bulldog.core.io.serial.SerialDataEventArgs;
import org.bulldog.core.io.serial.SerialDataListener;
import org.bulldog.core.io.serial.SerialPort;
import org.bulldog.core.platform.Board;
import org.bulldog.core.platform.Platform;
//import org.bulldog.core.util.BulldogUtil;

/**

• @author Datenheld
  *
  */
  public class SerialExample {
  public static StringBuilder sb = new StringBuilder();
  public static void main(String... args) throws IOException {

  //Get your platform
  final Board board = Platform.createBoard();
  
  //Retrieve a serial port (UART2) and configure it
  SerialPort serial2 = board.getSerialPort(BBBNames.UART2);
  serial2.setBaudRate(9600);
  serial2.setBlocking(false);
  serial2.open();
  
  
  final String host = "192.168.17.44" ;// inner range device host ip adddress
  final int port = 7575;
  
  
  serial2.addListener(new SerialDataListener() {
  
      @Override
      public void onSerialDataAvailable(SerialDataEventArgs args) {
  
           //String hex_buff = args.getDataAsString();
         /* for (byte b : args.getData()) {
              sb.append(String.format("%02X ", b));
          }
         */
           for (byte b : args.getData()) {
               sb.append(String.format("%02X ", b));
  
           }
           //sb.append(hex_buff);
           System.out.println("POLON MESSGE " + sb);
          if (sb.length() >= 7 ){
           System.out.println("char at " + sb.charAt(sb.length() - 1));
           System.out.println("char at " + sb.charAt(sb.length() - 2));
           System.out.println("char at " + sb.charAt(sb.length() - 3));
           System.out.println("char at " + sb.charAt(sb.length() - 4));
           System.out.println("char at " + sb.charAt(sb.length() - 5));
           System.out.println("char at " + sb.charAt(sb.length() - 6));
  
          }
           if(        (sb.length()>=7)
               &&
                      (sb.charAt(sb.length() - 2) == 'A')
               &&
                      (sb.charAt(sb.length() - 3) == '0')
               &&
                      (sb.charAt(sb.length() - 4) == ' ')
               &&
                      (sb.charAt(sb.length() - 5) == 'A')
               &&
                      (sb.charAt(sb.length() - 6) == '0')
               &&
                      (sb.charAt(sb.length() - 7) == ' '))
               {
                      System.out.println("log ok");
  
                       System.out.println(" Time milis =====>>>>>"+System.currentTimeMillis() );      
  
                      SendOverTCPIP(sb.toString());
  
                      sb = new StringBuilder();
               }
  
          // TO DO use delimiter 0A 0A  position last from sb-1 and last from sb 
          System.out.println(sb.toString());
          System.out.println(sb.length());
  
  
       //   System.out.println(args.getDataAsString());
      //  SendOverTCPIP(args.getDataAsString());
      }
  
      private void SendOverTCPIP(String dataAsString) 
      {
  
          Socket innerrangesocket = null;
  
          try{
              InetAddress inetAddressIR = InetAddress.getByName(host);
              innerrangesocket = new Socket(inetAddressIR, port);
              PrintWriter myprintwriter = new PrintWriter(innerrangesocket.getOutputStream(), true );
              String userinput = dataAsString;
  
              myprintwriter.println(userinput);
  
          } catch (UnknownHostException e) {
              // TODO Auto-generated catch block
              e.printStackTrace();
          } catch (IOException e) {
              // TODO Auto-generated catch block
              e.printStackTrace();
          } finally {
              if(innerrangesocket != null)
                  try {
                      innerrangesocket.close();
                  } catch (IOException e) {
                      // TODO Auto-generated catch block
                      e.printStackTrace();
                  }
  
          }
  
      }
  
  });;
  

  serial2.writeString("0331123491\r\n");
  //BulldogUtil.sleepMs(3000);
  try {
  Thread.sleep(3000);
  } catch (InterruptedException e1) {
  // TODO Auto-generated catch block
  e1.printStackTrace();
  }
  serial2.writeString("00191\r\n");
  //serialPort.writeString("0331123491\r\n"); ARMARE
  // serialPort.writeString("040112348F\r\n"); DEZARMARE

       serial2.writeString("00191\r\n");
      try {
          Thread.sleep(8000);
      } catch (InterruptedException e) {
          // TODO Auto-generated catch block
          e.printStackTrace();
      }
  
      //System.out.println("Sleep 500 Ms");
  
      //BulldogUtil.sleepMs(500);
  }
  
  //serial2.close();
  //serial1.close();
  

  }
  // public void main(String args){}do here
  }

[mihainigrini]

@Datenheld can you help remedy the problem ?