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From "Sachin Hamirwasia" <Sach...@Singnet.com.sg>
Subject RE: HttpClient with HTTPS
Date Wed, 12 Jun 2002 15:11:45 GMT
I think your problem is to do with the fact that the current version of
HTTPClient does not have proxy support for SSL connections. So when you try
to connect to an HTTP server via a proxy server, the HTTP client actually
makes an SSLSocket connection to the proxy server itself. But obviously
since the proxy server does not know SSL protocol, the handshake won't go
through and hence the exception. The same worked with HttpsURLConnection,
since the default implementation does handle proxy tunnelling properly.

Try using your same code to connect to a server within your intranet and
don't use the proxy server. It will work.

Look at my earlier note on enabling proxy support on HTTPClient. You will
need to rebuild the library.

Regards, Sachin

-----Original Message-----
From: Chang Sau Sheong [mailto:sschang@elipva.com]
Sent: Wednesday, 12 June 2002 11:01 PM
To: Jakarta Commons Developers List
Subject: Re: HttpClient with HTTPS

Thanks for the quick reply. I used the

-Djava.protocol.handler.pkgs=com.sun.net.ssl.internal.www.protocol

system properties to start up Tomcat (I used HttpClient in Tomcat) and when
I was previously using URLConnection to do the same thing, it worked pretty
well. I switched to using HttpClient because I needed the session and
cookies support but I'm pretty stymied by this issue I have with SSL.

Hoping for answers? Thanks!

.sausheong


----- Original Message -----
From: "Evert Hoff" <evert.hoff@pixie.co.za>
To: "Jakarta Commons Developers List" <commons-dev@jakarta.apache.org>
Sent: Wednesday, June 12, 2002 10:42 PM
Subject: Re: HttpClient with HTTPS


> Hi,
>
> You must set your system properties before you start using it with SSL.
> Here's how:
>
> System.setProperty("java.protocol.handler.pkgs",
> "com.sun.net.ssl.internal.www.protocol");
> Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
>
> You need to import:
> import com.sun.net.ssl.*;
> import java.security.*;
>
> Regards,
>
> Evert
>
> On Wed, 2002-06-12 at 16:40, Chang Sau Sheong wrote:
> > Hi,
> >
> > I've just starting using HttpClient recently -- great work -- but I've
some
> > problems with HTTPS connections. With the older alpha1 release dated
October
> > 2001, I get this exception:
> >
> > javax.net.ssl.SSLException: Unrecognized SSL handshake.
> >         at
> > com.sun.net.ssl.internal.ssl.InputRecord.read([DashoPro-V1.2-120198])
> >         at
> > com.sun.net.ssl.internal.ssl.SSLSocketImpl.a([DashoPro-V1.2-120198])
> >         at
> > com.sun.net.ssl.internal.ssl.SSLSocketImpl.a([DashoPro-V1.2-120198])
> >         at
> >
com.sun.net.ssl.internal.ssl.AppOutputStream.write([DashoPro-V1.2-120198])
> >         at java.io.OutputStream.write(Unknown Source)
> >         at
> >
org.apache.commons.httpclient.HttpConnection.write(HttpConnection.java:363)
> >         at
> >
org.apache.commons.httpclient.HttpConnection.print(HttpConnection.java:433)
> >         at
> >
org.apache.commons.httpclient.HttpMethodBase.writeRequestLine(HttpMethodBase
> > .java:715)
> >         at
> >
org.apache.commons.httpclient.HttpMethodBase.writeRequest(HttpMethodBase.jav
> > a:692)
> >
> > With the latest nightly release (12 June 2002) I can't get a connection
at
> > all!
> >
> > java.net.ConnectException: Connection refused: connect
> >         at java.net.PlainSocketImpl.socketConnect(Native Method)
> >         at java.net.PlainSocketImpl.doConnect(Unknown Source)
> >         at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
> >         at java.net.PlainSocketImpl.connect(Unknown Source)
> >         at java.net.Socket.<init>(Unknown Source)
> >         at java.net.Socket.<init>(Unknown Source)
> >         at javax.net.ssl.SSLSocket.<init>([DashoPro-V1.2-120198])
> >         at
> >
com.sun.net.ssl.internal.ssl.SSLSocketImpl.<init>([DashoPro-V1.2-120198])
> >         at
> >
com.sun.net.ssl.internal.ssl.SSLSocketFactoryImpl.createSocket([DashoPro-V1.
> > 2-120198])
> >         at
> >
org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:284)
> >         at
> >
org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java:466
> > )
> >         at
> >
org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:320)
> >
> > Any ideas or tips? I read in the archive someone mentioning that SSL is
not
> > implemented in this release but I checked the source and it *looks* like
it
> > is implemented. Anyone with a clue?
> >
> > Thanks in advance!
> >
> >
> > .sausheong
> >
> >
> >
> >
> >
> > --
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> >
>
>
>
>
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