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https://issues.apache.org/jira/browse/HTTPCLIENT-1896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Kalnichevski resolved HTTPCLIENT-1896.
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Resolution: Won't Fix
GGS based experimental scheme have been deprecated and are no longer supported.
Oleg
> GGSSchemeBase does not support GSS continuation
> -----------------------------------------------
>
> Key: HTTPCLIENT-1896
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1896
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient (classic)
> Affects Versions: 4.5.2
> Environment: IBM Java
> Reporter: Jan Kalina
> Priority: Major
>
> GGSSchemeBase suppose only one challenge exchange is correct - if server
> requires continuation (for example when running on IBM java), it is rejected
> by GGSSchemeBase:
> *Authentication already attempted*
> This is caused by following part of GGSSchemeBase:
> {code:java}
> if (state == State.UNINITIATED) {
> token = Base64.decodeBase64(challenge.getBytes());
> state = State.CHALLENGE_RECEIVED;
> } else {
> log.debug("Authentication already attempted");
> state = State.FAILED;
> }
> {code}
> This is not sufficient for IBM java, which use workflow:
> C -> S (initial, no negotiate header)
> C <- S (client receive first challenge)
> C -> S (client send first response)
> C <- S (Oracle would already sent OK, but IBM sends second challenge!) <-
> httpclient fails
> C -> S (client sends second response)
> C <- S (client receive requested page - OK)
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