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Posted to issues@calcite.apache.org by "Julian Hyde (Jira)" <ji...@apache.org> on 2021/12/12 23:48:00 UTC

[jira] [Commented] (CALCITE-4152) Avoid SPNEGO re-negotiation for each request

    [ https://issues.apache.org/jira/browse/CALCITE-4152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17458093#comment-17458093 ] 

Julian Hyde commented on CALCITE-4152:
--------------------------------------

Fixed in [c3a91923|https://github.com/apache/calcite-avatica/commit/c3a9192347b4354337a906838499ff25236d63bc].

> Avoid SPNEGO re-negotiation for each request
> --------------------------------------------
>
>                 Key: CALCITE-4152
>                 URL: https://issues.apache.org/jira/browse/CALCITE-4152
>             Project: Calcite
>          Issue Type: Improvement
>          Components: avatica
>            Reporter: Istvan Toth
>            Assignee: Josh Elser
>            Priority: Major
>             Fix For: avatica-1.20.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> When using SPNEGO authentication with Avatica, every HTTP request re-initiates the negotiation, doubling the number HTTP requests.
> Consider switching to cookies after the initial SPNEGO authentication succeeds.
> Jetty ticket that discusses the issue: [https://github.com/eclipse/jetty.project/issues/2868]
> Description of the Knox implementation
> [https://cwiki.apache.org/confluence/display/KNOX/2017/02/24/Hadoop+Auth+%28SPNEGO+and+delegation+token+based+authentication%29+with+Apache+Knox]



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