GitHub user dbahir opened a pull request:
https://github.com/apache/phoenix/pull/203
[PHOENIX-3216] Kerberos ticket is not renewed when using Kerberos
authentication with Phoenix JDBC driver
Kerberos ticket is not renewed when using Kerberos authentication with
Phoenix JDBC driver. That is caused by UserInformationGroup loginUserFromKeytab
being called multiple time from different threads if using a multi threaded
environment. this fix ensures that there will only be one login per process.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dbahir/phoenix master
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/phoenix/pull/203.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #203
commit 37789fcfa1b322fac64bdebb9fb903313b3c1686
Author: Dan
Date: 2016-08-29T15:52:57Z
Ensure UGI's loginUserFromKeytab is only called once per JVM
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