我對多個站點的HTTP響應代碼(2xx,3xx,4xx & 5xx)感興趣。獲取代碼名爲1的http響應代碼的最佳方法
我目前的代碼在codename one模擬器中工作良好。但作爲Android上的應用程序,某些網站的代碼會引發EOFExceptions
。在這些情況下,我沒有收到回覆代碼。
我該如何解決這個問題?在代碼名1中獲得所有這些http返回碼的最佳和推薦的方法是什麼?
for (final Host h : current_hosts) {
ConnectionRequest cr = new ConnectionRequest() {
protected void readResponse(InputStream input) {
h.setHost_return_code(getResponseCode());
try {
String response = Util.readToString(input);
input.close();
} catch (IOException err) {
// do nothing
}
}
};
cr.setUrl(h.getHost_url());
cr.setHttpMethod("HEAD");
cr.setFollowRedirects(false);
cr.setReadResponseForErrors(true);
cr.setPost(false);
cr.setFailSilently(false);
cr.setSilentRetryCount(2);
cr.setTimeout(15000);
NetworkManager.getInstance().addToQueueAndWait(cr);
}
DDMS堆棧跟蹤:
02-22 17:04:19.463: W/System.err(29698): java.io.EOFException
02-22 17:04:19.463: W/System.err(29698): at java.util.zip.GZIPInputStream.readFully(GZIPInputStream.java:202)
02-22 17:04:19.463: W/System.err(29698): at java.util.zip.GZIPInputStream.<init>(GZIPInputStream.java:98)
02-22 17:04:19.463: W/System.err(29698): at java.util.zip.GZIPInputStream.<init>(GZIPInputStream.java:81)
02-22 17:04:19.473: W/System.err(29698): at com.android.okhttp.internal.http.HttpEngine.initContentStream(HttpEngine.java:468)
02-22 17:04:19.473: W/System.err(29698): at com.android.okhttp.internal.http.HttpEngine.readResponse(HttpEngine.java:666)
02-22 17:04:19.473: W/System.err(29698): at com.android.okhttp.internal.http.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:347)
02-22 17:04:19.473: W/System.err(29698): at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:296)
02-22 17:04:19.473: W/System.err(29698): at com.android.okhttp.internal.http.HttpURLConnectionImpl.getResponseCode(HttpURLConnectionImpl.java:503)
02-22 17:04:19.473: W/System.err(29698): at com.codename1.impl.android.AndroidImplementation.getResponseCode(AndroidImplementation.java:3947)
02-22 17:04:19.473: W/System.err(29698): at com.codename1.io.ConnectionRequest.performOperation(ConnectionRequest.java:367)
02-22 17:04:19.473: W/System.err(29698): at com.codename1.io.NetworkManager$NetworkThread.run(NetworkManager.java:269)
02-22 17:04:19.473: W/System.err(29698): at com.codename1.impl.CodenameOneThread$1.run(CodenameOneThread.java:60)
02-22 17:04:19.473: W/System.err(29698): at java.lang.Thread.run(Thread.java:841)
'EOFException'似乎只在發送'HEAD'請求時出現。當使用'GET'請求時,我得到正確的響應代碼。我寧願使用'HEAD'請求,因爲我只是在HTTP響應代碼中感興趣,並且不需要HTTP正文數據。 – ryru
你可以用電纜連接你的設備,並從android SDK啓動DDMS工具。然後將「EOFException」的堆棧跟蹤添加到問題中? –
謝謝你,你走了。我對移動編程比較陌生,希望我能正確理解您的請求。 – ryru