[Java 1.5;日食伽利略]
调用 getInputStream() 方法时,HttpsURLConnection 似乎停止了。我尝试使用不同的网站无济于事(目前为https://www.google.com)。我应该指出我正在使用 http S。
下面的代码已根据我从其他 StackOverflow 答案中学到的内容进行了修改。但是,到目前为止,我尝试过的任何解决方案都没有奏效。
我将非常感谢您朝正确的方向轻推:)
public static void request( URL url, String query )
{
try{
HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
//connection.setReadTimeout( 5000 ); //<-- uncommenting this line at least allows a timeout error to be thrown
connection.setDoInput(true);
connection.setDoOutput(true);
connection.setUseCaches(false);
System.setProperty("http.keepAlive", "false");
connection.setRequestMethod( "POST" );
// setting headers
connection.setRequestProperty("Content-length",String.valueOf (query.length()));
connection.setRequestProperty("Content-Type","application/x-www-form-urlencoded"); //WAS application/x-www- form-urlencoded
connection.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows 98; DigExt)");
////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////
System.out.println( "THIS line stalls" + connection.getInputStream() );
////////////////////////////////////////////////////////////////////////////////////
}catch( Exception e ) {
System.out.println( e );
e.printStackTrace();
}
典型错误如下所示:
java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at com.sun.net.ssl.internal.ssl.InputRecord.readFully(InputRecord.java:293)
at com.sun.net.ssl.internal.ssl.InputRecord.read(InputRecord.java:331)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:782)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:739)
at com.sun.net.ssl.internal.ssl.AppInputStream.read(AppInputStream.java:75)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:256)
at java.io.BufferedInputStream.read(BufferedInputStream.java:313)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:681)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:626)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:983)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:234)
at https_understanding.HTTPSRequest.request(HTTPSRequest.java:60)
at https_understanding.Main.main(Main.java:17)