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https://issues.apache.org/jira/browse/HTTPCLIENT-1938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16569577#comment-16569577
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Michael Osipov commented on HTTPCLIENT-1938:
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This is basically a duplicate/subissue of HTTPCLIENT-1625. Both implementations
JGSS and SSPI are broken in HttpClient because the implementor did not know
what he was doing (completing the sercurity loop). I do not recommend using it
in a production environment.
There is a lot of FUD in the internet. Unfortunately, I haven't yet found the
time to make things right. This might change soon because I will start using it
in a project. You might want to search for my other comments.
> OS resources leak in HttpAuthenticator/WindowsNegotiateScheme
> -------------------------------------------------------------
>
> Key: HTTPCLIENT-1938
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1938
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient (Windows)
> Affects Versions: 4.5.3
> Reporter: Marcin Krystianc
> Priority: Major
> Labels: Authentication, leak, negotiate
>
> I've discovered a resource leak in Http authentication process on Windows,
> when Negotiate method is used. It manifests itself as a slow memory leak in
> {{lsass.exe}} process. Every time a Negotiate authentication is performed a
> handle to client credentials and a handle to security context are leaked.
> The direct reason for it is that {{dispose()}} method from
> {{WindowsNegotiateScheme}} class is never called.
> As far I understand the interaction between {{HttpAuthenticator}} and
> {{WindowsNegotiateScheme}}, it is caused by {{HttpAuthenticator}} not
> processing final authentication header, as it goes directly to the
> {{SUCCESS}} state. Without processing final authentication header,
> {{WindowsNegotiateScheme}} class doesn't have a chance to complete security
> context initialisation. which is the cause for not releasing OS resources.
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