XML : ArrayAdapter Error in Android?

when enter the listeyidoldur() method , second try catch is running.catch is runing.open the "hata" message. Maps is running,but when remove second try-catch , i get "application has stopped" error. Can you help me?

          import org.w3c.dom.Document;          import org.w3c.dom.Element;          import org.w3c.dom.NodeList;            import java.io.BufferedInputStream;          import java.net.HttpURLConnection;          import java.net.URL;          import java.util.ArrayList;          import java.util.List;            import javax.xml.parsers.DocumentBuilder;          import javax.xml.parsers.DocumentBuilderFactory;              public class MapsActivity extends FragmentActivity implements OnMapReadyCallback{                private GoogleMap myMap;              ListView liste;                public static final LatLng PERTH = new LatLng(36.57, 36.17);              private FragmentManager childFragmentManager;                @Override              protected void onCreate(Bundle savedInstanceState) {                  super.onCreate(savedInstanceState);                  setContentView(R.layout.activity_maps);                  getHandleOnMap();                  liste=(ListView)findViewById(R.id.listView);                  listeyidoldur();              }                private void listeyidoldur() {                  StrictMode.ThreadPolicy policy=new StrictMode.ThreadPolicy.Builder().permitAll().build();                  StrictMode.setThreadPolicy(policy);                    String xml_url="http://www.bilisimzade.net/mekan.xml";                  List<String> mekan_liste=new ArrayList<>();                  HttpURLConnection baglanti=null;                  try{                  URL url=new URL(xml_url);                  baglanti=(HttpURLConnection) url.openConnection();                  int baglanti_durum=baglanti.getResponseCode();                     if(baglanti_durum==HttpURLConnection.HTTP_OK){                         BufferedInputStream stream=new BufferedInputStream(baglanti.getInputStream());                         DocumentBuilderFactory documentBuilderFactory=DocumentBuilderFactory.newInstance();                         DocumentBuilder documentBuilder=documentBuilderFactory.newDocumentBuilder();                         Document document=documentBuilder.parse(stream);                           NodeList mekan_dugum=document.getElementsByTagName("mekan");                           for(int i=0;i<mekan_dugum.getLength();i++){                             Element element=(Element)mekan_dugum.item(i);                               NodeList nodeListisim=element.getElementsByTagName("isim");                             NodeList nodeykor=element.getElementsByTagName("ykor");                             NodeList nodexkor=element.getElementsByTagName("xkor");                             NodeList nodetel=element.getElementsByTagName("tel");                             NodeList nodeadres=element.getElementsByTagName("adres");                               String isim=nodeListisim.item(0).getFirstChild().getNodeValue();                             String ykor=nodeykor.item(0).getFirstChild().getNodeValue();                             String xkor=nodexkor.item(0).getFirstChild().getNodeValue();                             String tel=nodetel.item(0).getFirstChild().getNodeValue();                             String adres=nodeadres.item(0).getFirstChild().getNodeValue();                                  mekan_liste.add(isim +"adlı şirketin koordinatları"+ykor+","+xkor+" "+tel  );                             }                       }                    }catch (Exception ex){                      Log.e("xml parse hatası" , ex.getMessage().toString());                  }finally {                      if (baglanti!=null){                      baglanti.disconnect();                        }                  }                  try {                      ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_expandable_list_item_1, mekan_liste);                      liste.setAdapter(adapter);                  }catch (Exception ex){                      Toast.makeText(getApplicationContext(),"Hata",Toast.LENGTH_SHORT).show();                  }                  }                private void getHandleOnMap()              {                  SupportMapFragment mapFragment = (SupportMapFragment) this.getSupportFragmentManager()                          .findFragmentById(R.id.map);                  mapFragment.getMapAsync(this);                }              @Override              public void onMapReady(GoogleMap myMap) {                  Marker marker= myMap.addMarker(new MarkerOptions()                          .position(PERTH)                          );                  myMap.animateCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(36.58271, 36.1664039), 12));                  myMap.setInfoWindowAdapter(new GoogleMap.InfoWindowAdapter(){                          @Override                      public View getInfoWindow(Marker marker) {                          View v=getLayoutInflater().inflate(R.layout.infowindows,null);                            return  v;                      }                        @Override                      public View getInfoContents(Marker marker) {                          return null;                      }                  });                }                      }