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From: "Sam Berlin" <sberlin@limepeer.com>
To: "Commons HttpClient Project" <commons-httpclient-dev@jakarta.apache.org>
Subject: RE: 302 !!
Date: Sat, 28 Feb 2004 12:57:50 -0500
Message-ID: <PHEIIMDLODJNIFBNHCHLIEPOEJAA.sberlin@limepeer.com>
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Importance: Normal

Emre,

Take a look at the executeMethodRedirecting method in the following =
class:
 =
http://core.limewire.org/source/browse/core/com/limegroup/gnutella/http/H=
ttpClientManager.java?rev=3D1.7&content-type=3Dtext/x-cvsweb-markup

Thanks,
 Sam

-----Original Message-----
From: Emre Sokullu [mailto:sokullu@ultratv.net]
Sent: Saturday, February 28, 2004 5:43 AM
To: Commons HttpClient Project
Subject: Re: 302 !!


Thanx Oleg for your reply,

Yes I've already tried what is written on "Redirects Tutorial page". But =
the
fact is that, the following procedure does not work for me :

Header locationHeader =3D method.getResponseHeader("location");

Even for the redirected sites like http://www.google.com, it does return =
a
null value. Not just google fo every reidrected page.

I've tried to solve the problem by simply commenting the following if
condition from the checkValidUri() method in HttpMethodBase class:

/*

try {

String oldHost =3D currentUri.getHost();

String newHost =3D redirectUri.getHost();

if (!oldHost.equalsIgnoreCase(newHost)) {

throw new HttpException("Redirect from host " + oldHost

+ " to " + newHost + " is not supported");

}

} catch (URIException e) {

LOG.warn("Error getting URI host", e);

throw new HttpException("Invalid Redirect URI from: "

+ currentUri.getEscapedURI() + " to: " + redirectUri.getEscapedURI()

);

}

*/


But the main problem is that the URL to conect can't be extracted from =
the
location header.

I hope I don't waste your time, but it sounds like a bug to me....

Thanx for your help..


----- Original Message -----
From: "Kalnichevski, Oleg" <oleg.kalnichevski@bearingpoint.com>
To: "Commons HttpClient Project" =
<commons-httpclient-dev@jakarta.apache.org>
Sent: Friday, February 27, 2004 7:45 PM
Subject: RE: 302 !!


> org.apache.commons.httpclient.HttpException: Redirect from host
www.google.com to www.google.com.tr is not supported

Emre,

www.google.com !=3D www.google.com.tr

HttpClient 2.0 does not support cross host redirects. Period. We are =
sorry.

The redirect guide you have already been referred to explains why and =
what
can be done to work the problem around

http://jakarta.apache.org/commons/httpclient/redirects.html

Development (unstable) version of HttpClient can automatically handle
cross-host redirects already.

Oleg

-----Original Message-----
From: Emre Sokullu [mailto:sokullu@ultratv.net]
Sent: Friday, February 27, 2004 18:26
To: Commons HttpClient Project
Subject: 302 !!


Hi all, I still couldn't solve my problem with http status 302 :

When I try to connect Google, it redirects me to the local page :
http://www.google.com.tr

At this status, I want to catch the new address and try to reconnect but
such a failure occurs :


27.=CCub.2004 17:48:13 org.apache.commons.httpclient.HttpMethodBase
checkValidRedirect
WARNING: Error getting URI host
org.apache.commons.httpclient.HttpException: Redirect from host
www.google.com to www.google.com.tr is not supported
        at
org.apache.commons.httpclient.HttpMethodBase.checkValidRedirect(HttpM
ethodBase.java:1243)
        at
org.apache.commons.httpclient.HttpMethodBase.processRedirectResponse(
HttpMethodBase.java:1191)
        at
org.apache.commons.httpclient.HttpMethodBase.isRetryNeeded(HttpMethod
Base.java:977)
        at
org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.j
ava:1095)
        at
org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.jav
a:675)
        at
org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.jav
a:529)
        at WebClient.fetchHTML(WebClient.java:343)
        at Jetch.<init>(Jetch.java:99)
        at d2.main(d2.java:26)
27.=CCub.2004 17:48:13 org.apache.commons.httpclient.HttpMethodBase
processRedirectResponse
WARNING: Invalid Redirect URI from: http://www.google.com:80/ to:
http://www.google.com.tr/cxfer?c=3DPREF%3D:TM%3D1077896890:S%3D-1ZixmjyLN=
wVsU1
6


And my code is the following :


    HttpMethod method;

    if (this.methodPost) {
      method =3D new PostMethod(this.url);
    }
    else {
      method =3D new GetMethod(this.url);

    }

    method.setStrictMode(false); // also tried true; the same result
    method.setFollowRedirects(true);


    Header locationHeader =3D method.getResponseHeader("location");


    if(locationHeader !=3D null ) {

    String redirectLocation =3D locationHeader.getValue();
    this.tryAgain(redirectLocation);
    return;

    } else {}


    int attempt =3D 0;
    while (this.statusCode =3D=3D -1 && attempt < 10) {
      try {
        this.statusCode =3D this.client.executeMethod(method);
      }
      catch (HttpRecoverableException e) {
        System.err.println(
            "A recoverable exception occurred, retrying." +
            e.getMessage());
      }
      catch (IOException e) {
        System.err.println("Failed to download file.");
        e.printStackTrace();
        System.exit( -1);
      }
    }


    this.responseBody =3D method.getResponseBodyAsString();

    method.releaseConnection();


Thanx very much for your interest...

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