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From Chanel Loïc <>
Subject Kerberos - Algorithme AES256 not enabled
Date Wed, 06 May 2015 12:12:28 GMT

Trying to Kerberize my cluster, I encoutered some troubles. When I start to configure security
with Ambari wizard, it seems the Ambari server cannot connect to the KDC, while it is on the
same network.
Therefore I took a closer look to the corresponding logs, and the main issue seems to be related
to the Algorithm AES256, as the main error return "Algorithm AES256 not enabled". As I was
a little surprised, I tried to reproduce the bug using a personal minimalistic implementation
using the same library that is used by Ambari (, but
I still get the error "Algorithm AES256 not enable" .

Searching on Google, I saw that this problem could be related to the installation of JCE,
so I re-installed it with the proper parameters from Oracle website (
), but it did not change a thing.

Does someone know where this might come from, or how to avoid this issue ?



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