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Posted to dev@hc.apache.org by "Oleg Kalnichevski (JIRA)" <ji...@apache.org> on 2009/05/28 21:43:46 UTC
[jira] Updated: (HTTPCLIENT-852) CircularRedirectException
encountered when using a proxy, but not when reaching the target directly
[ https://issues.apache.org/jira/browse/HTTPCLIENT-852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Oleg Kalnichevski updated HTTPCLIENT-852:
-----------------------------------------
Fix Version/s: 4.0 Beta 3
> I've already opened an issue (HTTPCLIENT-852), sorry if that was inappropriate.
Charles,
That was perfectly appropriate.
> I join with this message 3 logs that show what happens without proxy, with the proxy and with the proxy and the
> option ALLOW_CIRCULAR_REDIRECTS.
Could you please attach those logs to this report?
Oleg
> CircularRedirectException encountered when using a proxy, but not when reaching the target directly
> ---------------------------------------------------------------------------------------------------
>
> Key: HTTPCLIENT-852
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-852
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient, HttpConn
> Affects Versions: 4.0 Beta 2
> Environment: Proxy: tinyproxy/1.6.4
> Reporter: Charles Fr Rey
> Fix For: 4.0 Beta 3
>
>
> A CircularRedirectException is encountered when using a proxy (tinyproxy on a remote machine), whereas everything is fine when using no proxy. The target is a URL such as http://www.seoconsultants.com/w3c/status-codes/301.asp which has a 301 redirection.
> The issue can be fixed by using ALLOW_CIRCULAR_REDIRECTS set to true (client params), but I can't consider this a "real" fix.
> Here is a snippet of code that exemplifies the problem (use your own proxy):
> ---
> String proxyHost = "xyz.webfactional.com";
> int proxyPort = 7295;
> DefaultHttpClient httpclient = new DefaultHttpClient();
> // without a proxy it's OK!
> httpclient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY,
> new HttpHost(proxyHost, proxyPort, "http"));
> HttpParams params = httpclient.getParams();
> HttpClientParams.setRedirecting(params, true);
> HttpProtocolParams.setUserAgent(params,
> "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.0.10) Gecko/2009042315 Firefox/3.0.10");
> // OK, this fixes the problem, but at what cost / other problems ?
> //httpclient.getParams().setParameter(ClientPNames.ALLOW_CIRCULAR_REDIRECTS, true);
> String url = "http://www.seoconsultants.com/w3c/status-codes/301.asp";
> HttpUriRequest request;
> HttpResponse response;
> request = new HttpGet(url);
> System.out.println("request = " + request.getRequestLine());
> response = httpclient.execute(request);
> System.out.println("status = " + response.getStatusLine());
> System.out.println("headers = " + Arrays.asList(response.getAllHeaders()));
> ---
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