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(Updated May 20, 2016, 6:18 p.m.) Review request for Ambari, Jonathan Hurley, Nate Cole, and Robert Levas. Changes ------- Used StackId#compareTo(...) per Jonathan's recommendation. Bugs: AMBARI-16171 https://issues.apache.org/jira/browse/AMBARI-16171 Repository: ambari Description ------- The up-coming version of Phoenix will contain some new functionality to support Kerberos authentication of clients via SPNEGO with the Phoenix Query Server (PQS). Presently, Ambari will configure PQS to use the hbase service keytab which will result in the SPNEGO authentication failing as the RFC requires that the "primary" component of the Kerberos principal for the server is "HTTP". Thus, we need to ensure that we switch PQS over to use the spnego.service.keytab as the keytab and "HTTP/_HOST@REALM" as the principal. Diffs (updated) ----- ambari-server/src/main/java/org/apache/ambari/server/upgrade/AbstractUpgradeCatalog.java 2e857ed ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog240.java 41f538e ambari-server/src/main/resources/common-services/HBASE/0.96.0.2.0/kerberos.json c9536f8 ambari-server/src/test/java/org/apache/ambari/server/upgrade/UpgradeCatalog240Test.java 20fa50f Diff: https://reviews.apache.org/r/47428/diff/ Testing ------- Unit testing, verified upgrade from 2.2.2 Thanks, Josh Elser