i want to send intent from run method but its nt going any thing

import java.util.ArrayList;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;

import android.app.Service;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.Intent;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.util.Log;
import android.widget.Toast;

public class CheckReqService extends Service {
	
	@Override
	public void onCreate() {
		// TODO Auto-generated method stub
		super.onCreate();
		ReqCheck reqCheck=new ReqCheck();
                reqCheck.execute(null);
	}

	@Override
	public IBinder onBind(Intent arg0) {
		// TODO Auto-generated method stub
		return null;
	}
	public int onStartCommand(Intent intent, int flags, int startId) {
		// TODO Auto-generated method stub
		super.onStartCommand(intent, flags, startId);
		Log.i("CALEN", "Now in onStartCommand() ....");
		switch(flags)
		{
		case Service.START_FLAG_RETRY:
			Log.i("CALEN", "Service is restarting after termination in last invocation it returns START_STICKY.");
			break;
		case Service.START_FLAG_REDELIVERY:
			Log.i("CALEN", "Service is restarting after termination in last invocation it returns START_REDELIVER_INTENT.");
			break;
		default: 
			Log.i("CALEN", "Service is starting by providing fresh Intent.");
		}
		Log.i("CALEN", "Service returning START_STICKY.");

		return Service.START_STICKY;
	}
	
	class ReqCheck extends AsyncTask<void,>
	{
		private Context acontext;
		List<list><string>> allUserReq;
		private Timer myTimer;
		final Handler h = new Handler();
        
		@Override
		protected Void doInBackground(Void... params) {
			// TODO Auto-generated method stub
			myTimer=new Timer();
			
			TimerTask timerTask = new TimerTask() {
				@Override
				public void run() {

				h.post(new Runnable() {

				public void run() {
				// Do something
					try{
					RetrieveReq retrReq=new RetrieveReq();
					retrReq.RetrvReq();

				FindRequest findReq=new FindRequest();
			    allUserReq=findReq.findAllReq();
			   
			  
				ArrayList<string> s1=(ArrayList<string>) allUserReq.get(0);
				ArrayList<string> s2=(ArrayList<string>) allUserReq.get(1);
				int count=s1.size();
				System.out.println(s1);
				System.out.println(count);
    			System.out.println(s2);
			    Intent in=new Intent(getApplicationContext(), Request.class);
			    in.putStringArrayListExtra("mbList", s1);
			    in.putStringArrayListExtra("msgList", s2);
			    startActivity(in);
			    System.out.println("after sending intent");
                Toast.makeText(getApplicationContext(), "Hello Timer", Toast.LENGTH_LONG).show();
					}
					catch (Exception e) {
						// TODO: handle exception
						System.out.println(e);
					}

				}
				});

				}
				};
				myTimer.schedule(timerTask, 1000, 5000);
			return null;
		}


	}
	

}