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https://issues.apache.org/jira/browse/SOLR-8373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15137877#comment-15137877
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ASF subversion and git services commented on SOLR-8373:
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Commit 9ef144ddefe21f30c1c9ebd5246e7e03387488e1 in lucene-solr's branch
refs/heads/branch_5_4 from [~jpountz]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=9ef144d ]
SOLR-8460, SOLR-8373, SOLR-8422, SOLR-7462, SOLR-8470: Add CHANGES entries for
5.4.1.
git-svn-id:
https://svn.apache.org/repos/asf/lucene/dev/branches/lucene_solr_5_4@1724198
13f79535-47bb-0310-9956-ffa450edef68
> KerberosPlugin: Using multiple nodes on same machine leads clients to fetch
> TGT for every request
> -------------------------------------------------------------------------------------------------
>
> Key: SOLR-8373
> URL: https://issues.apache.org/jira/browse/SOLR-8373
> Project: Solr
> Issue Type: Bug
> Reporter: Ishan Chattopadhyaya
> Assignee: Noble Paul
> Priority: Critical
> Fix For: 5.3.2, 5.5, Trunk, 5.4.1
>
> Attachments: SOLR-8373.patch, SOLR-8373.patch, SOLR-8373.patch,
> SOLR-8373.patch, SOLR-8373.patch
>
>
> Kerberized solr nodes accept negotiate/spnego/kerberos requests and processes
> them. It also passes back to the client a cookie called "hadoop.auth" (which
> is currently unused, but will eventually be used for delegation tokens).
> If two or more nodes are on the same machine, they all send out the cookie
> which have the same domain (hostname) and same path, but different cookie
> values.
> Upon receipt at the client, if a cookie is rejected (which in this case will
> be), the client gets a TGT from the KDC. This is causing the heavy traffic
> at the KDC, plus intermittent "Request is a replay" (which indicates race
> condition at KDC while handing out the TGT for the same principal). I think
> having a (well configured) ticket cache is a potential solution, but having
> cookies get rejected is bad enough.
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