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https://issues.apache.org/jira/browse/HTTPCLIENT-1442?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tobias Wörenkämper updated HTTPCLIENT-1442:
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Attachment: auth_header_lost.txt
> Request loses authorization header when redirected by proxy
> -----------------------------------------------------------
>
> Key: HTTPCLIENT-1442
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1442
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient
> Affects Versions: 4.3.1
> Reporter: Tobias Wörenkämper
> Attachments: auth_header_lost.txt
>
>
> While being routed through a proxy the (2nd) request loses the authentication
> header and hence I am getting a 401 by the target server. In my case the
> target server does not challenge the authentication which may be the reason
> (see logs).
> I configured my HTTP client like this:
> {code}
> HttpHost proxy = new HttpHost("proxyhost", Integer.parseInt(####));
> AuthScope authScope = new AuthScope(proxy);
> BasicCredentialsProvider credentialsProvider = new BasicCredentialsProvider();
> Credentials credentials = new UsernamePasswordCredentials("username", "****");
> credentialsProvider.setCredentials(authScope, credentials);
> RequestConfig requestConfig = RequestConfig.custom()
> .setConnectTimeout(4000)
> .setProxyPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC))
> .setTargetPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC))
> .build();
> HttpClient client = HttpClients.custom()
> .setDefaultRequestConfig(requestConfig)
> .setProxy(proxy)
> .setDefaultCredentialsProvider(credentialsProvider)
> .setTargetAuthenticationStrategy(new SummonAuthenticationStrategy())
> .build();
> {code}
>
> Then I am sending an HTTP request with an Authorization (Authentication)
> header since the request target needs basic authentication as well:
> {code}
> HttpGet getRequest = new HttpGet(“target url”);
> getRequest.addHeader("Authorization", "…..”);
> {code}
> Please also see the according hc-httpclient-users mailing list entry:
> http://mail-archives.apache.org/mod_mbox/hc-httpclient-users/201312.mbox/%3C644E476041F9FA46A339547A244DFFAE5FB6EA7B%40BYYZ5B.DE.bayer.cnb%3E.
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