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https://issues.apache.org/jira/browse/HTTPCLIENT-1171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13220075#comment-13220075
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Oleg Kalnichevski commented on HTTPCLIENT-1171:
-----------------------------------------------
Besides, exactly what kind of exception gets thrown because this piece of code
runs just fine for me?
{code}
Header challenge = new BasicHeader("WWW-Authenticate",
"Digest realm=\"realmoftheserver\", stale=false, " +
"nonce=\"cc684f71295dce8113c30617d7b34ddc\", qop=\"auth\",
algorithm=\"MD5\"");
DigestScheme authscheme = new DigestScheme();
authscheme.processChallenge(challenge);
HttpRequest request = new BasicHttpRequest("GET", "/");
UsernamePasswordCredentials creds = new UsernamePasswordCredentials("user:pwd");
Header authresp = authscheme.authenticate(creds, request);
System.out.println(authresp);
{code}
> Infinite loop if authenticate() method throws AuthenticationException
> ---------------------------------------------------------------------
>
> Key: HTTPCLIENT-1171
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1171
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Affects Versions: 4.1.3, 4.2 Alpha1
> Reporter: Tomas Ruzicka
>
> - With 4.1.1: an infinite loop is entered if the exception is thrown.
> Httpclient then keeps sending the request w/o Authentication header in the
> loop.
> - With 4.2 Alpha1: the same as above *if there is no other scheme available*.
> So for example, if the server responds:
> WWW-Authenticate: BASIC realm="realmoftheserver"
> WWW-Authenticate: Digest realm="realmoftheserver", stale=false,
> nonce="cc684f71295dce8113c30617d7b34ddc", qop="auth", algorithm="MD5"
> and the Digest scheme throws AuthenticationException then Basic scheme is
> used but if the server responds just:
> WWW-Authenticate: Digest realm="realmoftheserver", stale=false,
> nonce="cc684f71295dce8113c30617d7b34ddc", qop="auth", algorithm="MD5"
> and the Digest scheme throws AuthenticationException then the client enter
> the loop
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