android error to run project

An internal error occurred during: "Launching New_configuration".

java.lang.StackOverflowError.

You know how it solve

I have pass from 1 page to another page.

give option exit workbench or not.

I can send my manifest file also


package com.exam.reg_log;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONObject;



import android.support.v7.app.ActionBarActivity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.StrictMode;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;


public class MainActivity extends ActionBarActivity {


    String name;
    String phn;
    String email;
    String pass;
    InputStream is=null;
    String result=null;
    String line=null;
    int code;
    Button insert,login;
    final Context context = this;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
        StrictMode.setThreadPolicy(policy); 

        final EditText e_name=(EditText) findViewById(R.id.editText1);
        final EditText e_phn=(EditText) findViewById(R.id.editText2);
        final EditText e_email=(EditText) findViewById(R.id.editText3);
        final EditText e_pass=(EditText) findViewById(R.id.editText4);
        insert=(Button) findViewById(R.id.button1);
        login = (Button) findViewById(R.id.button2);

        login.setOnClickListener(new View.OnClickListener() {


            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub

                Intent intent = new Intent(context, Login.class);
                startActivity(intent);

            }
        });
        insert.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View arg0) {
                // TODO Auto-generated method stub

                name = e_name.getText().toString();
                phn = e_phn.getText().toString();
                email = e_email.getText().toString();
                pass = e_pass.getText().toString();

                insert();

            }
        });
    }
    public void insert()
    {

    HttpClient httpclient = new DefaultHttpClient();
    HttpPost httppost = new HttpPost("http://ift.tt/1vps91V"); 
        try
        {
            ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();

            nameValuePairs.add(new BasicNameValuePair("name",name));
            nameValuePairs.add(new BasicNameValuePair("phn",phn));
            nameValuePairs.add(new BasicNameValuePair("email",email));
            nameValuePairs.add(new BasicNameValuePair("pass",pass));
            Log.d("smit output",name + phn + email + pass);
            //HttpClient httpclient = new DefaultHttpClient();
           // HttpPost httppost = new HttpPost("http://ift.tt/PeJwTB");
            httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
            HttpResponse response = httpclient.execute(httppost); 
            HttpEntity entity = response.getEntity();
            is = entity.getContent();
            Log.e("pass 1", "connection success ");
    }
        catch(Exception e)
    {
            Log.e("Fail 1", e.toString());
            Toast.makeText(getApplicationContext(), "Invalid IP Address",
            Toast.LENGTH_LONG).show();
    }     

        try
        {
            BufferedReader reader = new BufferedReader
            (new InputStreamReader(is,"iso-8859-1"),8);
            StringBuilder sb = new StringBuilder();
            while ((line = reader.readLine()) != null)
        {
                sb.append(line + "\n");
        }
            is.close();
            result = sb.toString();
        Log.e("pass 2", "connection success ");
    }
        catch(Exception e)
    {
            Log.e("Fail 2", e.toString());
    }     

    try
    {
        /*
         *  JSONArray jArray = new JSONArray(result);
           for(int i=0;i<jArray.length();i++){
                JSONObject json_data = jArray.getJSONObject(i);
                Log.i("log_tag","uID: "+json_data.getInt("uID")+
                        ", uName: "+json_data.getString("uName")+
                        ", uPass: "+json_data.getString("uPass")
                );
        }
         */
            Log.d("smit output",result);
            JSONObject json_data = new JSONObject(result);
          /*  for(int i=0;i<json_data.length();i++){
                 JSONObject json_data1 = json_data.getJSONObject(i);
                 Log.i("log_tag","uID: "+json_data1.getInt("id")+
                         ", uName: "+json_data1.getString("name")+
                         ", uphn: "+json_data1.getString("phn") +
                         ", uemail: "+json_data1.getString("email") +
                         ", upass: "+json_data1.getString("pass") 

                 );
            }*/ 
            code=(json_data.getInt("code"));

            if(code==1)
            {
        Toast.makeText(getBaseContext(), "Inserted Successfully",
            Toast.LENGTH_SHORT).show();
            }
            else
            {
         Toast.makeText(getBaseContext(), "Sorry, Try Again",
            Toast.LENGTH_LONG).show();
            }
    }
    catch(Exception e)
    {
            Log.e("Fail 3", e.toString());
    }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
    }

// menifest file ......................

<?xml version="1.0" encoding="utf-8"?>


<uses-permission android:name="android.permission.INTERNET" />

<uses-sdk
    android:minSdkVersion="8"
    android:targetSdkVersion="21" />

<application
    android:allowBackup="true"
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name"
    android:theme="@style/AppTheme" >
    <activity
        android:name=".MainActivity"
        android:label="@string/app_name" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
    <activity
        android:name=".Login"
        android:label="@string/title_activity_login" >
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.DEFAULT" />
        </intent-filter>
    </activity>
</application>

android error to run project

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