Android studio jsonobject 오류

Question

package com.example.kimgyuback.pcat; import android.content.Intent; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.EditText; import com.android.volley.RequestQueue; import com.android.volley.Response; import com.android.volley.toolbox.Volley; import org.json.JSONException; import org.json.JSONObject; public class RegisterActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_register); final EditText idText = (EditText) findViewById(R.id.idText); final EditText passwordText = (EditText) findViewById(R.id.passwordText); final EditText nameText = (EditText) findViewById(R.id.nameText); final EditText phoneText = (EditText) findViewById(R.id.phoneText); final EditText addressText = (EditText) findViewById(R.id.addressText); Button registerButton = (Button) findViewById(R.id.registerButton); registerButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { String userID = idText.getText().toString(); String userPassword = idText.getText().toString(); String userName = idText.getText().toString(); String userPhone = idText.getText().toString(); String userAddress = idText.getText().toString(); Response.Listener responseListener = new Response.Listener() { @Override public void onResponse(String response) { try{ JSONObject jsonResponse = new JSONObject(response); boolean success = jsonResponse.getBoolean("success"); if(success){ AlertDialog.Builder builder = new AlertDialog.Builder(RegisterActivity.this); builder.setMessage("회원 등록에 성공했습니다.") .setPositiveButton("확인",null) .create() .show(); Intent intent = new Intent(RegisterActivity.this, LoginActivity.class); RegisterActivity.this.startActivity(intent); } else { AlertDialog.Builder builder = new AlertDialog.Builder(RegisterActivity.this); builder.setMessage("회원 등록에 실패했습니다.") .setNegativeButton("다시 시도",null) .create() .show(); } } catch (JSONException e) { e.printStackTrace(); } } }; RegisterRequest registerRequest = new RegisterRequest(userID, userPassword, userName, userPhone , userAddress, responseListener); RequestQueue queue = Volley.newRequestQueue(RegisterActivity.this); queue.add(registerRequest); } }); } } package com.example.kimgyuback.pcat; import com.android.volley.Response; import com.android.volley.toolbox.StringRequest; import java.lang.reflect.Method; import java.net.URL; import java.util.HashMap; import java.util.Map; /** * Created by KimGyuBack on 2018-06-08. */ public class RegisterRequest extends StringRequest { final static private String URL = "http://axcs1212.dothome.co.kr/register.php/"; private Map parameters; public RegisterRequest(String userID, String userPassword, String userName, String userPhone, String userAddress, Response.Listener listener) { super(Method.POST, URL,listener, null); parameters = new HashMap<>(); parameters.put("userID", userID); parameters.put("userPassword", userPassword); parameters.put("userName", userName); parameters.put("userPhone", userPhone); parameters.put("userAddress", userAddress); } public Map getParameters() { return parameters; } } W/System.err: org.json.JSONException: Value
(JSONArray.java:96)W/System.err: at org.json.JSONArray.(JSONArray.java:108)W/System.err: at com.example.kimgyuback.pcat.RegisterActivity$1$1.onResponse(RegisterActivity.java:48)W/System.err: at com.example.kimgyuback.pcat.RegisterActivity$1$1.onResponse(RegisterActivity.java:44)W/System.err: at com.android.volley.toolbox.StringRequest.deliverResponse(StringRequest.java:60)W/System.err: at com.android.volley.toolbox.StringRequest.deliverResponse(StringRequest.java:30)W/System.err: at com.android.volley.ExecutorDelivery$ResponseDeliveryRunnable.run(ExecutorDelivery.java:99)W/System.err: at android.os.Handler.handleCallback(Handler.java:789)W/System.err: at android.os.Handler.dispatchMessage(Handler.java:98)W/System.err: at android.os.Looper.loop(Looper.java:164)W/System.err: at android.app.ActivityThread.main(ActivityThread.java:6541)W/System.err: at java.lang.reflect.Method.invoke(Native Method)W/System.err: at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)W/System.err: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)회원가입을하는 양식출처 : https://tv.naver.com/v/1517746/list/117059 의 강의영상을 보고 했습니다. 코드나 php부분 틀린곳 없는거같은데 오류가 납니다 도와주세요

Android studio jsonobject 오류

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