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Josh Elser resolved CALCITE-4152. --------------------------------- Fix Version/s: avatica-1.20.0 Resolution: Fixed > 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] -- This message was sent by Atlassian Jira (v8.3.4#803005)