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https://issues.apache.org/jira/browse/SPARK-26118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16692018#comment-16692018
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Attila Zsolt Piros commented on SPARK-26118:
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I am working on a PR.
> Make Jetty's requestHeaderSize configurable in Spark
> ----------------------------------------------------
>
> Key: SPARK-26118
> URL: https://issues.apache.org/jira/browse/SPARK-26118
> Project: Spark
> Issue Type: Improvement
> Components: Web UI
> Affects Versions: 3.0.0
> Reporter: Attila Zsolt Piros
> Priority: Major
>
> For long authorization fields the request header size could be over the
> default limit (8192 bytes) and in this case Jetty replies HTTP 413 (Request
> Entity Too Large).
> This issue may occur if the user is a member of many Active Directory user
> groups.
> The HTTP request to the server contains the Kerberos token in the
> WWW-Authenticate header. The header size increases together with the number
> of user groups.
> Currently there is no way in Spark to override this limit.
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