第一次HTTP调用时出现SocketTimeoutException

Question

当我调用HTTP get，put，post或delete时，我得到了java.net.SocketTimeoutException。但是当我再次单击该按钮进行另一次HTTP调用时，则成功。看来AsyncTask/doInBackground不会像这样失败。但是第一次HTTP调用使用LoopJ HTTP库失败了。挂钩按钮以调用下面的方法。 On my first click，我得到上面的exception，但是当我再次点击时，它是成功的。以下是日志猫。

private void updateStatus(View view) { 
     final int currentItemPosition = listView.getPositionForView(view); 
     RadioButton radioButton = (RadioButton) view; 
     System.out.println("radioButton.getText(): " + radioButton.getText()); 
     System.out.println("currentItemPosition: " + currentItemPosition); 
     status.set(currentItemPosition, radioButton.getText().toString()); 
     String url = "http://taskmgr-api.herokuapp.com/tasks/" + id.get(currentItemPosition); 
     String contentType = "application/json"; 
     JSONObject jsonObject = new JSONObject(); 
     try { 
      jsonObject.put("description", description.get(currentItemPosition)); 
      jsonObject.put("status", status.get(currentItemPosition)); 
      jsonObject.put("priority", priority.get(currentItemPosition)); 
      jsonObject.put("duedate", dueDate.get(currentItemPosition)); 
      jsonObject.put("id", id.get(currentItemPosition)); 
     } catch (JSONException e) { 
      e.printStackTrace(); 
     } 
     System.out.println("json String: " + jsonObject.toString()); 
     StringEntity entity = null; 
     try { 
      entity = new StringEntity(jsonObject.toString()); 
     } catch (UnsupportedEncodingException e) { 
      e.printStackTrace(); 
     } 
     AsyncHttpClient client = new AsyncHttpClient(); 
     client.setTimeout(7000); 
     client.put(context, url, entity, contentType, new AsyncHttpResponseHandler() { 
      @Override 
      public void onSuccess(String response) { 
       System.out.println("response: " + response); 
      } 

      @Override 
      public void onFailure(int statusCode, Header[] headers, byte[] responseBody, Throwable error) { 
       error.printStackTrace(); 
      } 
     }); 
    } 



03-27 08:23:06.181: W/System.err(4979): java.net.SocketTimeoutException 
03-27 08:23:06.181: W/System.err(4979):  at java.net.PlainSocketImpl.read(PlainSocketImpl.java:491) 
03-27 08:23:06.181: W/System.err(4979):  at java.net.PlainSocketImpl.access$000(PlainSocketImpl.java:46) 
03-27 08:23:06.191: W/System.err(4979):  at java.net.PlainSocketImpl$PlainSocketInputStream.read(PlainSocketImpl.java:240) 
03-27 08:23:06.191: W/System.err(4979):  at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:103) 
03-27 08:23:06.191: W/System.err(4979):  at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:191) 
03-27 08:23:06.191: W/System.err(4979):  at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:82) 
03-27 08:23:06.201: W/System.err(4979):  at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:174) 
03-27 08:23:06.201: W/System.err(4979):  at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:180) 
03-27 08:23:06.201: W/System.err(4979):  at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:235) 
03-27 08:23:06.201: W/System.err(4979):  at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:259) 
03-27 08:23:06.201: W/System.err(4979):  at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:279) 
03-27 08:23:06.201: W/System.err(4979):  at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:121) 
03-27 08:23:06.211: W/System.err(4979):  at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:428) 
03-27 08:23:06.211: W/System.err(4979):  at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555) 
03-27 08:23:06.211: W/System.err(4979):  at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487) 
03-27 08:23:06.211: W/System.err(4979):  at com.loopj.android.http.AsyncHttpRequest.makeRequest(AsyncHttpRequest.java:74) 
03-27 08:23:06.211: W/System.err(4979):  at com.loopj.android.http.AsyncHttpRequest.makeRequestWithRetries(AsyncHttpRequest.java:91) 
03-27 08:23:06.221: W/System.err(4979):  at com.loopj.android.http.AsyncHttpRequest.run(AsyncHttpRequest.java:54) 
03-27 08:23:06.221: W/System.err(4979):  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:422) 
03-27 08:23:06.221: W/System.err(4979):  at java.util.concurrent.FutureTask.run(FutureTask.java:237) 
03-27 08:23:06.221: W/System.err(4979):  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) 
03-27 08:23:06.221: W/System.err(4979):  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587) 
03-27 08:23:06.231: W/System.err(4979):  at java.lang.Thread.run(Thread.java:841) 
03-27 08:23:06.231: W/System.err(4979): java.net.SocketTimeoutException 
03-27 08:23:06.231: W/System.err(4979):  at java.net.PlainSocketImpl.read(PlainSocketImpl.java:491) 
03-27 08:23:06.231: W/System.err(4979):  at java.net.PlainSocketImpl.access$000(PlainSocketImpl.java:46) 
03-27 08:23:06.231: W/System.err(4979):  at java.net.PlainSocketImpl$PlainSocketInputStream.read(PlainSocketImpl.java:240) 
03-27 08:23:06.231: W/System.err(4979):  at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:103) 
03-27 08:23:06.231: W/System.err(4979):  at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:191) 
03-27 08:23:06.241: W/System.err(4979):  at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:82) 
03-27 08:23:06.241: W/System.err(4979):  at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:174) 
03-27 08:23:06.241: W/System.err(4979):  at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:180) 
03-27 08:23:06.241: W/System.err(4979):  at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:235) 
03-27 08:23:06.241: W/System.err(4979):  at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:259) 
03-27 08:23:06.241: W/System.err(4979):  at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:279) 
03-27 08:23:06.241: W/System.err(4979):  at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:121) 
03-27 08:23:06.241: W/System.err(4979):  at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:428) 
03-27 08:23:06.241: W/System.err(4979):  at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555) 
03-27 08:23:06.241: W/System.err(4979):  at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487) 
03-27 08:23:06.241: W/System.err(4979):  at com.loopj.android.http.AsyncHttpRequest.makeRequest(AsyncHttpRequest.java:74) 
03-27 08:23:06.241: W/System.err(4979):  at com.loopj.android.http.AsyncHttpRequest.makeRequestWithRetries(AsyncHttpRequest.java:91) 
03-27 08:23:06.241: W/System.err(4979):  at com.loopj.android.http.AsyncHttpRequest.run(AsyncHttpRequest.java:54) 
03-27 08:23:06.241: W/System.err(4979):  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:422) 
03-27 08:23:06.241: W/System.err(4979):  at java.util.concurrent.FutureTask.run(FutureTask.java:237) 
03-27 08:23:06.241: W/System.err(4979):  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) 
03-27 08:23:06.241: W/System.err(4979):  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587) 
03-27 08:23:06.241: W/System.err(4979):  at java.lang.Thread.run(Thread.java:841) 
03-27 08:23:06.251: W/System.err(4979): java.net.SocketTimeoutException 
03-27 08:23:06.251: W/System.err(4979):  at java.net.PlainSocketImpl.read(PlainSocketImpl.java:491) 
03-27 08:23:06.251: W/System.err(4979):  at java.net.PlainSocketImpl.access$000(PlainSocketImpl.java:46) 
03-27 08:23:06.251: W/System.err(4979):  at java.net.PlainSocketImpl$PlainSocketInputStream.read(PlainSocketImpl.java:240) 
03-27 08:23:06.251: W/System.err(4979):  at org.apache.http.impl.io.AbstractSessionInputBuffer.fillBuffer(AbstractSessionInputBuffer.java:103) 
03-27 08:23:06.251: W/System.err(4979):  at org.apache.http.impl.io.AbstractSessionInputBuffer.readLine(AbstractSessionInputBuffer.java:191) 
03-27 08:23:06.251: W/System.err(4979):  at org.apache.http.impl.conn.DefaultResponseParser.parseHead(DefaultResponseParser.java:82) 
03-27 08:23:06.251: W/System.err(4979):  at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:174) 
03-27 08:23:06.251: W/System.err(4979):  at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:180) 
03-27 08:23:06.251: W/System.err(4979):  at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:235) 
03-27 08:23:06.251: W/System.err(4979):  at org.apache.http.impl.conn.AbstractClientConnAdapter.receiveResponseHeader(AbstractClientConnAdapter.java:259) 
03-27 08:23:06.251: W/System.err(4979):  at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:279) 
03-27 08:23:06.251: W/System.err(4979):  at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:121) 
03-27 08:23:06.251: W/System.err(4979):  at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:428) 
03-27 08:23:06.251: W/System.err(4979):  at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555) 
03-27 08:23:06.251: W/System.err(4979):  at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487) 
03-27 08:23:06.251: W/System.err(4979):  at com.loopj.android.http.AsyncHttpRequest.makeRequest(AsyncHttpRequest.java:74) 
03-27 08:23:06.251: W/System.err(4979):  at com.loopj.android.http.AsyncHttpRequest.makeRequestWithRetries(AsyncHttpRequest.java:91) 
03-27 08:23:06.251: W/System.err(4979):  at com.loopj.android.http.AsyncHttpRequest.run(AsyncHttpRequest.java:54) 
03-27 08:23:06.251: W/System.err(4979):  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:422) 
03-27 08:23:06.251: W/System.err(4979):  at java.util.concurrent.FutureTask.run(FutureTask.java:237) 
03-27 08:23:06.261: W/System.err(4979):  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) 
03-27 08:23:06.261: W/System.err(4979):  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587) 
03-27 08:23:06.261: W/System.err(4979):  at java.lang.Thread.run(Thread.java:841) 

Answer 1

增加超时时间可能是网络速度太慢建立连接即试试这个

client.setTimeout(70000);//or u can set any time in this