1. 首页
  2. 问答
  3. Android网络无法访问 - ENETUNREACH

Android网络无法访问 - ENETUNREACH

2013-09-28 216 views
12

我的Android应用程序出现奇怪的错误。我正在使用Xampp测试本地服务器。该应用程序将从数据库检索记录并将其存储在手机中。Android网络无法访问 - ENETUNREACH

事情是我测试了应用程序在摩托罗拉XT550与Android 2.3.6和我的索尼Xperia S与Android 4.0.4和应用程序工作得很好。但是，当我用Android 4.1.2（我的客户的手机）与三星Fame进行测试时，它不起作用。

这里是logcat的：

02-22 04:48:33.001 3961-3976/com.sistel.manantiales W/System.err﹕ at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:183) 
02-22 04:48:33.001 3961-3976/com.sistel.manantiales W/System.err﹕ at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164) 
02-22 04:48:33.001 3961-3976/com.sistel.manantiales W/System.err﹕ at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119) 
02-22 04:48:33.011 3961-3976/com.sistel.manantiales W/System.err﹕ at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:360) 
02-22 04:48:33.011 3961-3976/com.sistel.manantiales W/System.err﹕ at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:670) 
02-22 04:48:33.011 3961-3976/com.sistel.manantiales W/System.err﹕ at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:509) 
02-22 04:48:33.011 3961-3976/com.sistel.manantiales W/System.err﹕ at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487) 
02-22 04:48:33.011 3961-3976/com.sistel.manantiales W/System.err﹕ at com.sistel.manantiales.SyncActivity$DatabaseSync.updateDatabase(SyncActivity.java:198) 
02-22 04:48:33.011 3961-3976/com.sistel.manantiales W/System.err﹕ at com.sistel.manantiales.SyncActivity$DatabaseSync.doInBackground(SyncActivity.java:165) 
02-22 04:48:33.011 3961-3976/com.sistel.manantiales W/System.err﹕ at com.sistel.manantiales.SyncActivity$DatabaseSync.doInBackground(SyncActivity.java:147) 
02-22 04:48:33.011 3961-3976/com.sistel.manantiales W/System.err﹕ at android.os.AsyncTask$2.call(AsyncTask.java:287) 
02-22 04:48:33.011 3961-3976/com.sistel.manantiales W/System.err﹕ at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305) 
02-22 04:48:33.011 3961-3976/com.sistel.manantiales W/System.err﹕ at java.util.concurrent.FutureTask.run(FutureTask.java:137) 
02-22 04:48:33.021 3961-3976/com.sistel.manantiales W/System.err﹕ at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076) 
02-22 04:48:33.021 3961-3976/com.sistel.manantiales W/System.err﹕ at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569) 
02-22 04:48:33.021 3961-3976/com.sistel.manantiales W/System.err﹕ at java.lang.Thread.run(Thread.java:856) 
02-22 04:48:33.021 3961-3976/com.sistel.manantiales W/System.err﹕ Caused by: java.net.ConnectException: failed to connect to /10.0.0.7 (port 80) after 15000ms: connect failed: ENETUNREACH (Network is unreachable) 
02-22 04:48:33.021 3961-3976/com.sistel.manantiales W/System.err﹕ at libcore.io.IoBridge.connect(IoBridge.java:114) 
02-22 04:48:33.031 3961-3976/com.sistel.manantiales W/System.err﹕ at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192) 
02-22 04:48:33.031 3961-3976/com.sistel.manantiales W/System.err﹕ at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:459) 
02-22 04:48:33.031 3961-3976/com.sistel.manantiales W/System.err﹕ at java.net.Socket.connect(Socket.java:842) 
02-22 04:48:33.031 3961-3976/com.sistel.manantiales W/System.err﹕ at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:119) 
02-22 04:48:33.031 3961-3976/com.sistel.manantiales W/System.err﹕ at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:144) 
02-22 04:48:33.031 3961-3976/com.sistel.manantiales W/System.err﹕ ... 15 more 
02-22 04:48:33.041 3961-3976/com.sistel.manantiales W/System.err﹕ Caused by: libcore.io.ErrnoException: connect failed: ENETUNREACH (Network is unreachable) 
02-22 04:48:33.081 1216-1467/? V/AudioFlinger﹕ presentationComplete() session 35 complete: framesWritten 940032 
02-22 04:48:33.081 1216-1467/? V/AudioFlinger﹕ TrackBase::reset 
02-22 04:48:33.091 3961-3976/com.sistel.manantiales W/System.err﹕ at libcore.io.Posix.connect(Native Method) 
02-22 04:48:33.091 3961-3964/com.sistel.manantiales D/dalvikvm﹕ GC_CONCURRENT freed 197K, 13% free 7645K/8775K, paused 16ms+16ms, total 54ms 
02-22 04:48:33.091 3961-3976/com.sistel.manantiales W/System.err﹕ at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:85) 
02-22 04:48:33.091 3961-3976/com.sistel.manantiales W/System.err﹕ at libcore.io.IoBridge.connectErrno(IoBridge.java:144) 
02-22 04:48:33.101 3961-3976/com.sistel.manantiales W/System.err﹕ at libcore.io.IoBridge.connect(IoBridge.java:112) 
02-22 04:48:33.101 3961-3976/com.sistel.manantiales W/System.err﹕ ... 20 more 
02-22 04:48:33.101 1577-1800/? D/PowerManagerService﹕ acquireDVFSLockLocked : type : DVFS_MIN_LIMIT frequency : 999999 uid : 1000 pid : 1577 tag : ActivityManager 
02-22 04:48:33.101 1577-1800/? W/ActivityManager﹕ mDVFSLock.acquire() 
02-22 04:48:33.141 1577-1800/? D/BatteryStatsImpl﹕ ++++++xy WakeLock start : pid=1577, name=, type=0, tid=1800, pid=1577, pName=null 
02-22 04:48:33.161 1577-1588/? D/WindowManager﹕ PhoneWindowManager: focusChangedLw 
02-22 04:48:33.161 1577-1588/? D/WindowManager﹕ updateReadingMode 
02-22 04:48:33.161 1577-1588/? D/KeyguardViewMediator﹕ setHidden false 
02-22 04:48:33.161 1577-1588/? D/WindowManager﹕ mInputFocus is not null. 
02-22 04:48:33.161 1577-1588/? D/WindowManager﹕ mInputFocus is not null. 
02-22 04:48:33.161 1577-1588/? D/WindowManager﹕ mInputFocus is not null. 
02-22 04:48:33.191 3961-3961/com.sistel.manantiales D/AbsListView﹕ Get MotionRecognitionManager 
02-22 04:48:33.211 3961-3976/com.sistel.manantiales W/dalvikvm﹕ threadid=11: thread exiting with uncaught exception (group=0x411ba2a0) 
02-22 04:48:33.211 1577-1810/? D/WindowManager﹕ mInputFocus is not null. 
02-22 04:48:33.211 3961-3976/com.sistel.manantiales E/AndroidRuntime﹕ FATAL EXCEPTION: AsyncTask #1 
     java.lang.RuntimeException: An error occured while executing doInBackground() 
     at android.os.AsyncTask$3.done(AsyncTask.java:299) 
     at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:273) 
     at java.util.concurrent.FutureTask.setException(FutureTask.java:124) 
     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:307) 
     at java.util.concurrent.FutureTask.run(FutureTask.java:137) 
     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076) 
     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569) 
     at java.lang.Thread.run(Thread.java:856) 
     Caused by: java.lang.IllegalArgumentException: HTTP entity may not be null 
     at org.apache.http.util.EntityUtils.toString(EntityUtils.java:110) 
     at org.apache.http.util.EntityUtils.toString(EntityUtils.java:146) 
     at com.sistel.manantiales.SyncActivity$DatabaseSync.updateDatabase(SyncActivity.java:217) 
     at com.sistel.manantiales.SyncActivity$DatabaseSync.doInBackground(SyncActivity.java:165) 
     at com.sistel.manantiales.SyncActivity$DatabaseSync.doInBackground(SyncActivity.java:147) 
     at android.os.AsyncTask$2.call(AsyncTask.java:287) 
     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)

这里是我的代码：

public class DatabaseSync extends AsyncTask<String, Void, Boolean> { 

     @Override 
     protected Boolean doInBackground(String... url) { 

      try { 
       clientDataSource.open(); 
      } catch (SQLException e) { 
       e.printStackTrace(); 
      } 

      try { 
       movementDataSource.open(); 
      } catch (SQLException e) { 
       e.printStackTrace(); 
      } 

      clientDataSource.deleteAllClients(); 
      updateDatabase(url[0]); 

      return null; 
     } 

     @Override 
     protected void onPostExecute(Boolean bool) { 
      super.onPostExecute(bool); 
     } 

     public void updateDatabase(String url) { 

       ArrayList<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(); 
       nameValuePairs.add(new BasicNameValuePair("Operation", "Download")); 
       nameValuePairs.add(new BasicNameValuePair("Value", "Download")); 

       HttpParams httpParams = new BasicHttpParams(); 

       HttpConnectionParams.setConnectionTimeout(httpParams, 15000); 
       HttpConnectionParams.setSoTimeout(httpParams, 15000); 

      HttpClient httpClient = new DefaultHttpClient(httpParams); 
      HttpPost httpPost = new HttpPost(url); 

      try { 
       httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs)); 
      } catch (UnsupportedEncodingException e) { 
       e.printStackTrace(); 
      } 

      HttpResponse httpResponse = null; 

      try { 
       httpResponse = httpClient.execute(httpPost); 
      } catch (IOException e) { 
       e.printStackTrace(); 
      } 

      HttpEntity httpEntity = null; 

      try { 
       httpEntity = httpResponse.getEntity(); 
      }catch (NullPointerException e) { 

       Intent intent = new Intent(getApplicationContext(), MainActivity.class); 
       startActivity(intent); 

      } 


      String result = "empty"; 
      try { 
       result = EntityUtils.toString(httpEntity); 
      } catch (IOException e) { 
       e.printStackTrace(); 
      } 

      JSONObject jsonObject = null; 
      try { 
       jsonObject = new JSONObject(result); 
      } catch (JSONException e) { 
       e.printStackTrace(); 
      } 
      JSONArray jsonClients = null; 

      try { 
       jsonClients = jsonObject.getJSONArray("clients"); 
      } catch (JSONException e) { 
       e.printStackTrace(); 
      } 

      long id = 0; 
      String name; 
      String address; 
      String locality; 
      long bonus = 0; 
      double price = 0.0; 
      double prev_balance = 0.0; 
      double balance = 0.0; 
      long prev_bottles = 0; 
      long bottles = 0; 
      String update_date; 
      String sync_date; 

      for(int i = 0; i < jsonClients.length(); i++) { 
       JSONObject json = null; 
       try { 
        json = jsonClients.getJSONObject(i); 

        String s_id = new String(Base64.decode(json.get("id").toString(),Base64.DEFAULT)); 
        name = new String(Base64.decode(json.get("name").toString(),Base64.DEFAULT)); 
        address = new String(Base64.decode(json.get("address").toString(), Base64.DEFAULT)); 
        locality = new String(Base64.decode(json.get("locality").toString(), Base64.DEFAULT)); 
        String s_bonus = new String(Base64.decode(json.get("bonus").toString(), Base64.DEFAULT)); 
        String s_price = new String(Base64.decode(json.get("price").toString(), Base64.DEFAULT)); 
        String s_prev_balance = new String(Base64.decode(json.get("prev_balance").toString(), Base64.DEFAULT)); 
        String s_balance = new String(Base64.decode(json.get("balance").toString(), Base64.DEFAULT)); 
        String s_prev_bottles = new String(Base64.decode(json.get("prev_bottles").toString(), Base64.DEFAULT)); 
        String s_bottles = new String(Base64.decode(json.get("bottles").toString(), Base64.DEFAULT)); 
        update_date = new String(Base64.decode(json.get("update_date").toString(), Base64.DEFAULT)); 
        sync_date = new String(Base64.decode(json.get("sync_date").toString(), Base64.DEFAULT)); 

        id = Long.parseLong(s_id); 
        bonus = Long.parseLong(s_bonus); 
        price = Double.parseDouble(s_price); 
        prev_balance = Double.parseDouble(s_prev_balance); 
        balance = Double.parseDouble(s_balance); 
        prev_bottles = Long.parseLong(s_prev_bottles); 
        bottles = Long.parseLong(s_bottles); 

        Client client = new Client(id, name, address, locality, bonus, price, 
          prev_balance, balance, prev_bottles, bottles, update_date, sync_date); 

        clientDataSource.insertClient(client); 

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

      Intent intent = new Intent(getApplicationContext(), MainActivity.class); 
      startActivity(intent); 

     } 

    }

来源

2013-09-28 Gabriel Matusevich

+0

它说网络无法访问，但即时通讯测试3手机，它只是不工作的三星FAME（4.1.2） –

回答

40

我已经想通了什么问题！三星Fame没有连接到Wi-Fi。 它没有互联网。

来源

2013-09-28 03:23:28

+2

它发生了:)（对我来说刚刚;）） –

+2

有时我们太忙了，无法记住....感谢提醒:-P – Umair

+1

我做了同样的事情...我的路由器硬重置一个月前，我从来没有重新认证我的平板电脑... – Shadoninja

8

您还可以在发出任何请求之前添加一个互联网连接检查，以便用户将了解互联网不存在。

使用下面的代码，如果它返回false显示吐司/警报。

private boolean isNetworkAvailable() { 
ConnectivityManager connectivityManager 
     = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); 
NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo(); 
return activeNetworkInfo != null && activeNetworkInfo.isConnected(); 
}

来源

2013-09-28 04:37:49 Swetank

+4

如果有其他人遇到此问题，请注意，您需要在清单 – Chris

+2

中添加'android.permission.ACCESS_NETWORK_STATE'作为许可。请注意，如果没有WI-FI，此情况将具有**无效果，但是蜂窝数据（3G，4G，EDGE）已激活且不在范围内，或流量限制已结束！解决方案是开发这种检查添加一种[ping]（http://stackoverflow.com/a/22256277/3595288） – Choletski

1

有一个情况，当我的应用程序连接，然后关闭WiFi>应用程序崩溃，它不能进入​​catch命令异常。

来源

2014-02-20 09:55:40

相关问题

 相关问题