Java版本1.8.0_121,I see a solution for Java 9 only
描述:
我的目标是获取有关SourceForge
项目的信息,例如Project的总下载量。SourceForge
具有一个名为SourceForge Downloads Stats API的API。
所以我创建了一个简单的程序,将结果视为原始文本,我不需要将其作为JSON。
例如,我正在获取有关Apache OpenOffice下载以及更多-> Link , you can try it to see 的信息
但是我无法使用Java
引起以下错误的原因来获取数据。我已经在其他网站上测试过该代码,并且效果很好,但是对于这个网站,我不知道为什么。
Java代码:
import java.net.*;
import java.io.*;
public class URLReader {
public static void main(String[] args) throws Exception {
//Create HttpURLConnection
HttpURLConnection httpcon = (HttpURLConnection) new URL(
"https://sourceforge.net/projects/openofficeorg.mirror/files/stats/json?start_date=2014-10-29&end_date=2014-11-04").openConnection();
//In case it might to the trick...
httpcon.addRequestProperty("User-Agent", "Mozilla/5.0");
//Read the inputstream
BufferedReader in = new BufferedReader(new InputStreamReader(httpcon.getInputStream()));
//Print everything
String inputLine;
while ( ( inputLine = in.readLine() ) != null)
System.out.println(inputLine);
in.close();
}
}
错误:
Exception in thread "main" javax.net.ssl.SSLHandshakeException: Received fatal a
lert: handshake_failure
at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
at sun.security.ssl.Alerts.getSSLException(Alerts.java:154)
at sun.security.ssl.SSLSocketImpl.recvAlert(SSLSocketImpl.java:2023)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1125)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:13
75)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1403)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1387)
at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:559)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Abstra
ctDelegateHttpsURLConnection.java:185)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnectio
n.java:1546)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection
.java:1474)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLCon
nectionImpl.java:254)
at aaTester.URLReader.main(URLReader.java:13)
最后
上面的解决方案将不胜感激。
尝试使用Andy的答案会产生相同的错误。
最佳答案
将来自@ GOXR3PLUS的comment变成答案:
至少升级到Java 8u161(或Java 9)可以使SSLHandshakeException
不再从SourceForge下载。