http over ssl gives an empty map of headerFields (with examplecode)

Achilleus Mantzios achill at matrix.gatewaynet.com
Thu Oct 13 00:06:43 PDT 2005


Have you tried running sniffit along the execution to see at least
if the protocol traffic is identical for 1.4.2, 1.5?


O Ronald Klop έγραψε στις Oct 12, 2005 :

> On Wed, 12 Oct 2005 21:40:48 +0200, Ronald Klop  
> <ronald-freebsd8 at klop.yi.org> wrote:
> 
> > Hello,
> >
> > I'm trying to run an application which makes a connection over ssl. It  
> > retreives some fields using the method  
> > HttpUrlConnection.getHeaderFields(). But this returns an empty Map. If I  
> > run the same program on a Linux machine with Sun JDK 1.5 it runs very  
> > well and get some headerfields (which are important for the application).
> >
> > My system is.
> > $ uname -a
> > FreeBSD guido.klop.ws 6.0-RC1 FreeBSD 6.0-RC1 #0: Tue Oct 11 00:29:56  
> > CEST 2005     root at guido.klop.ws:/usr/obj/usr/src/sys/GUIDO  i386
> >
> > $ java -version
> > java version "1.5.0-p2"
> > Java(TM) 2 Runtime Environment, Standard Edition (build  
> > 1.5.0-p2-root_06_oct_2005_21_46)
> > Java HotSpot(TM) Client VM (build 1.5.0-p2-root_06_oct_2005_21_46, mixed  
> > mode)
> >
> > If I can find the time I will try to create a better testcase, but maybe  
> > it is a known problem and somebody knows how to fix this.
> 
> import java.io.IOException;
> import java.net.HttpURLConnection;
> import java.net.URL;
> 
> public final class HttpsTest {
> 
> 	/**
> 	 * @param args
> 	 * @throws IOException
> 	 */
> 	public static void main(String[] args) throws IOException {
> 		HttpURLConnection httpsConn = null;
> 		URL url = new URL("https://www.google.com/");
> 
> 		httpsConn = (HttpURLConnection) url.openConnection();
> 		System.out.println(httpsConn.getHeaderFields());
> 	}
> 
> }
> 
> This class gives this output on FreeBSD 6.0-RC1 and 5.4-STABLE with java  
> 1.5:
> $ java HttpsTest
> {}
> 
> on 6.0-RC1 with java 1.4:
> $ java HttpsTest
> {Content-Length=[151], null=[HTTP/1.1 302 Found], Date=[Wed, 12 Oct 2005  
> 19:52:46 GMT], Content-Type=[text/html], Server=[GFE/1.3],  
> Location=[http://www.google.com]}
> 
> on Linux 2.6 with java 1.5:
> $ java HttpsTest
> {Content-Length=[151], Date=[Wed, 12 Oct 2005 19:50:24 GMT],  
> Content-Type=[text/html], Server=[GFE/1.3],  
> Location=[http://www.google.com], null=[HTTP/1.1 302 Found]}
> 
> Do other people have this?
> 
> Ronald.
> 
> 

-- 
-Achilleus



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