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Posted to dev@hc.apache.org by "Oleg Kalnichevski (Jira)" <ji...@apache.org> on 2023/05/07 12:12:00 UTC
[jira] [Resolved] (HTTPCLIENT-1938) OS resources leak in HttpAuthenticator/WindowsNegotiateScheme
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Oleg Kalnichevski resolved HTTPCLIENT-1938.
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Resolution: Won't Fix
NTML scheme has been deprecated and is no longer supported.
Oleg
> 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, stuck, volunteers-wanted
>
> 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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