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https://issues.apache.org/jira/browse/CALCITE-2086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Elser resolved CALCITE-2086.
---------------------------------
    Resolution: Fixed

Fixed in 
https://git-wip-us.apache.org/repos/asf?p=calcite-avatica.git;a=commit;h=160e1a9382935997ba5a5ae42510d32734b76906

> HTTP/413 in certain circumstances due to large Authorization headers
> --------------------------------------------------------------------
>
>                 Key: CALCITE-2086
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2086
>             Project: Calcite
>          Issue Type: Bug
>          Components: avatica
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>            Priority: Critical
>             Fix For: avatica-1.11.0
>
>
> Had a user case where a certain user's requests to an Avatica server were met 
> with an HTTP/413 error because the Authorization header was larger than the 
> default allowed 8KB. I'm not sure of the exact circumstances, but something 
> is "special" about the user's Kerberos key (SPNEGO-based auth).
> We should allow this to be configurable by the Avatica server and also 
> increase the default (64KB should be more than enough for the present and 
> would avoid more downstream changes).



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