Android致命異常異步任務＃1

-1

我想製作一個簡單的天氣應用程序。每次我嘗試訪問雅虎天氣api以返回JSON對象時，我都會遇到此異常。爲了不使用api來完成任務，我複製粘貼JSON對象到一個單獨的字符串中，並將該字符串用作JSON對象。Android致命異常異步任務＃1

這是我的非同步任務：

公共類WeatherInfoThread擴展的AsyncTask {

@Override 
    protected String doInBackground(Void... params) { 

     String resultString = null; 
     try { 
      url = new URL("https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20weather.forecast%20where%20woeid%20in%20(select%20woeid%20from%20geo.places(1)%20where%20text%3D%22"+location+"%22)&format=json&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys"); 
     } catch (MalformedURLException e) { 
      e.printStackTrace(); 
     } 

     try { 
      connection = url.openConnection(); 
     } catch (IOException e) { 
      e.printStackTrace(); 
     } 

     try { 
      inputStream = connection.getInputStream(); 
     } catch (IOException e) { 
      e.printStackTrace(); 
     } 

     BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream)); 

     try { 
      jsonInfo = bufferedReader.readLine(); 
     } catch (IOException e) { 
      e.printStackTrace(); 
     } 

     resultString = jsonInfo; 



     try { 
      weatherinfo = new JSONObject(testString); 
      // Log.d(JSON_INFO,weatherinfo.toString()+"df"); 
      JSONObject channel = weatherinfo.getJSONObject("query").getJSONObject("results").getJSONObject("channel"); 
      JSONObject item = channel.getJSONObject("item"); 
      currentTemp = item.getJSONObject("condition"); 
      cCurrentInt = currentTemp.getInt("code"); 

      forecast = item.getJSONArray("forecast"); 
      cOne = forecast.getJSONObject(1).getString("text"); 
      cTwo = forecast.getJSONObject(2).getString("text"); 
      cThree = forecast.getJSONObject(3).getString("text"); 
      cFour = forecast.getJSONObject(4).getString("text"); 
      cFive = forecast.getJSONObject(5).getString("text"); 
      dOne = forecast.getJSONObject(1).getString("day"); 
      dTwo = forecast.getJSONObject(2).getString("day"); 
      dThree = forecast.getJSONObject(3).getString("day"); 
      dFour = forecast.getJSONObject(4).getString("day"); 
      dFive = forecast.getJSONObject(5).getString("day"); 


      // Log.d(JSON_INFO,forecast.get(1).toString()+"ddf"); 




     } catch (JSONException e) { 
      e.printStackTrace(); 
     } 
     return null; 
    }

這是我得到的錯誤：

12-16 16：48：06.677 10523-10549/com.example.aakashmahesh.weatherapp E/AndroidRuntime：致命異常：的AsyncTask＃1 了java.lang.RuntimeException：同時在android.os.Asyn執行doInBackground（）發生錯誤（java.util.concurrent.FutureTask.setException）（FutureTask.java:124）（c）在java.util.concurrent.FutureTask中$ Sync.innerRun（FutureTask.java:307）在java.util.concurrent.FutureTask.run（FutureTask.java:137）在android.os.AsyncTask $ SerialExecutor $ 1.run（ AsyncTask.java:230）在java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1076）在java.util.concurrent.ThreadPoolExecutor中的$ Worker.run（ThreadPoolExecutor.java:569）在java.lang中。 Thread.run（TH read.java:856）造成的：java.lang.SecurityException異常：權限被拒絕（缺少INTERNET權限）在java.net.InetAddress.lookupHostByName（InetAddress.java:418）在java.net.InetAddress.getAllByNameImpl（？（InetAddress.java:236） at libcore.net.http.HttpConnection。（HttpConnection.java:70） at libcore.net.http.HttpConnection。（ HttpConnection.java:50） at libcore.net.http.HttpConnection $ Address.connect（HttpConnection.java:340） at libcore.net.http.HttpConnectionPool.get（HttpConnectionPool.java:87）在libcore.net.http.HttpConnection.connect（HttpConnection.java:128）在libcore.net.http.HttpEngine.openSocketConnection（HttpEngine.java:315）在libcore.net.http.HttpsURLConnectionImpl $ HttpsEngine.makeSslConnection（ HttpsURLConnectionImpl.java:461）在libcore.net.http.HttpsURLConnectionImpl $ HttpsEngine.connect（HttpsURLConnectionImpl.java:433）在libcore.net.http.HttpEngine.sendSocketRequest（HttpEngine.java:289）在libcore.net。 http.HttpEngine.sendRequest（HttpEngine.java:239）在libcore.net.http.HttpURLConnectionImpl.getResponse（HttpURLConnectionImpl.java:273）在libcore.net.htt p.HttpURLConnectionImpl.getInputStream（HttpURLConnectionImpl.java:168）在libcore.net.http.HttpsURLConnectionImpl.getInputStream（HttpsURLConnectionImpl.java:271）在com.example.aakashmahesh.weatherapp.MainActivity $ WeatherInfoThread.doInBackground（MainActivity.java： 269） at com.example.aakashmahesh.weatherapp.MainActivity $ WeatherInfoThread.doInBackground（MainActivity。java：250） at android.os.AsyncTask $ 2.call（AsyncTask.java:287） at java.util.concurrent.FutureTask $ Sync.innerRun（FutureTask.java:305） at java.util.concurrent.FutureTask .run（FutureTask.java:137） at android.os.AsyncTask $ SerialExecutor $ 1.run（AsyncTask.java:230） at java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1076） at java。 util.concurrent.ThreadPoolExecutor $ Worker.run（ThreadPoolExecutor.java:569） at java.lang.Thread.run（Thread.java:856）原因：libcore.io.GaiException：getaddrinfo失敗：EAI_NODATA（無地址關聯與h ostname）在libcore.io.Posix.getaddrinfo（本機方法）在libcore.io.ForwardingOs.getaddrinfo（ForwardingOs.java:55）在java.net.InetAddress.lookupHostByName（InetAddress.java:405）在java的.net.InetAddress.getAllByNameImpl（InetAddress.java:236） at libcore.net.http.HttpConnection。（HttpConnection.java:70） libcore上的java.net.InetAddress.getAllByName（InetAddress.java:214）。 net.http.HttpConnection。（HttpConnection.java:50） at libcore.net.http.HttpConnection $ Address.connect（HttpConnection.java:340） at lib core.http.HttpConnectionPool.get（HttpConnectionPool.java:87） at libcore.net.http.HttpConnection.connect（HttpConnection.java:128） at libcore.net.http.HttpEngine.openSocketConnection（HttpEngine.java： 315）在libcore.net.http.HttpsURLConnectionImpl $ HttpsEngine.makeSslConnection（HttpsURLConnectionImpl.java:461）在libcore.net.http.HttpsURLConnectionImpl $ HttpsEngine.connect（HttpsURLConnectionImpl.java:433）在libcore.net.http。 HttpEngine.sendSocketRequest（HttpEngine.java:289） at libcore.net.http.HttpEngine.sendRequest（HttpEngine.java:239） at libcore.net.http.HttpURLConnectionImpl.getResponse（HttpURLConne ctionImpl.java:273）在libcore.net.http.HttpURLConnectionImpl.getInputStream（HttpURLConnectionImpl.java:168）在libcore.net.http.HttpsURLConnectionImpl.getInputStream（HttpsURLConnectionImpl.java:271）在com.example.aakashmahesh。 weatherapp.MainActivity $ WeatherInfoThread.doInBackground（MainActivity.java:269） at com.example.aakashmahesh.weatherapp.MainActivity $ WeatherInfoThread.doInBackground（MainActivity.java:250） at android.os.AsyncTask $ 2.call（AsyncTask.java ：287） at java.util.concurrent.FutureTask $ Sync.innerRun（FutureTask.java:305） at java.util.concurrent.FutureTask.run（FutureTask.java:137） at android.os.AsyncTask $ Serial.Explorer $ 1.run（AsyncTask.java:230） at java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1076） at java.util.concurrent.ThreadPoolExecutor $ Worker.run （ThreadPoolExecutor.java:569） at java.lang.Thread.run（Thread.java:856）原因：libcore.io.ErrnoException：getaddrinfo失敗：EACCES（權限被拒絕） at libcore.io.Posix.getaddrinfo （Native Method） at libcore.io.ForwardingOs.getaddrinfo（ForwardingOs.java:55） at java.net.InetAddress.lookupHostByName（InetAddress.java:405）在java.net。InetAddress.getAllByNameImpl（InetAddress.java:236） at java.net.InetAddress.getAllByName（InetAddress.java:214） at libcore.net.http.HttpConnection。（HttpConnection.java:70） at libcore.net.http .HttpConnection。（HttpConnection.java:50） at libcore.net.http.HttpConnection $ Address.connect（HttpConnection.java:340） at libcore.net.http.HttpConnectionPool.get（HttpConnectionPool.java:87） at libcore.net.http.HttpConnection.connect（HttpConnection.java:128） at libcore.net.http.HttpEngine.openSocketConnection（HttpEngine.java:315） at libcore.net.http.HttpsURLConnec tionImpl $ HttpsEngine.makeSslConnection（HttpsURLConnectionImpl.java:461）在libcore.net.http.HttpsURLConnectionImpl $ HttpsEngine.connect（HttpsURLConnectionImpl.java:433）在libcore.net.http.HttpEngine.sendSocketRequest（HttpEngine.java:289）在libcore.net.http.HttpEngine.sendRequest（HttpEngine.java:239）在libcore.net.http.HttpURLConnectionImpl.getResponse（HttpURLConnectionImpl.java:273）在libcore.net.http.HttpURLConnectionImpl.getInputStream（HttpURLConnectionImpl。 java：168） at libcore.net.http.HttpsURLConnectionImpl.getInputStream（HttpsURLConnectionImpl.java:271） at com.example.aakashmahesh.weatherapp.M ainActivity $ WeatherInfoThread.doInBackground（MainActivity.java:269） at com.example.aakashmahesh.weatherapp.MainActivity $ WeatherInfoThread.doInBackground（MainActivity.java:250） at android.os.AsyncTask $ 2.call（AsyncTask.java:287 ） at java.util.concurrent.FutureTask $ Sync.innerRun（FutureTask.java:305） at java.util.concurrent.FutureTask.run（FutureTask.java:137） at android.os.AsyncTask $ SerialExecutor $ 1。運行（AsyncTask.java:230） at java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1076） at java.util.concurrent.ThreadPoolExecutor $ Worker.run（ThreadPoolExecutor.java:569） at java.lang.Thread.run（Thread.java:856） 12-16 16：48：06.677 1370-17136/system_process W/ActivityManager：強制結束活動com.example.aakashmahesh.weatherapp/.MainActivity 12- 16 16：48：06.737 1370-17136/system_process D/dalvikvm：GC_FOR_ALLOC釋放647K，12％空閒16559K/18695K，暫停10ms，總共10毫秒 12-16 16：48：06.767 10523-10523/com.example.aakashmahesh。 weatherapp D/libEGL：loaded /system/lib/egl/libEGL_emulation.so 12-16 16：48：06.767 10523-10523/com.example.aakashmahesh.weatherapp D/libEGL：loaded/system/lib/egl/libGLESv1_CM_emulation。 so 12-16 16：48：06.767 10523-10523/com.example.aakashmahesh.weatherapp D/libEGL：loaded /system/lib/egl/libGLESv2_emulation.so

                  [ 12-16 16:48:06.767 10523:10523 D/   ] 
                     HostConnection::get() New Host Connection established 0xb8071030, tid 10523

來源

2016-12-16 Abhishek Mahesh

確定有更多的日誌。您發佈的異常缺少發生異常的行。請發佈完整的相關日誌 – zon7

是的，堆棧跟蹤應該告訴你它正在發生的行＃。 – TWL

閱讀錯誤，你會嗎？

造成的：java.lang.SecurityException異常：權限在

來源

2016-12-16 22:15:27 meda

否認（？缺少INTERNET權限）可能是你沒有寫在清單文件訪問網絡權限

所致：JAVA .lang.SecurityException：權限被拒絕（缺少INTERNET權限？）

來源

2016-12-16 22:15:59

謝謝。我沒有在Manifest文件中寫入訪問Internet的權限。我被難倒了。不會忘記這個答案。謝謝。 –

Android致命異常異步任務＃1

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