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Review request for Ambari, Dmytro Grinenko, Jonathan Hurley, and Robert Levas. Bugs: AMBARI-19464 https://issues.apache.org/jira/browse/AMBARI-19464 Repository: ambari Description ------- AMBARI-18335 addresses an issue where configuration properties in the Kerberos descriptor don't change during a stack upgrade. It accounts for both upgrade/downgrade scenarios and situations where properties are added/removed. However, it does not take into account the potential for a property to be customized by the user (not a new property, but a property which the user changes the value of). In this case, the downgrade would be destructive, overriding the user's values with those from the downgrade stack. Diffs ----- ambari-server/src/main/java/org/apache/ambari/server/orm/entities/ArtifactEntity.java 8972e6d ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/UpgradeUserKerberosDescriptor.java f1eab38 ambari-server/src/test/java/org/apache/ambari/server/serveraction/upgrades/UpgradeUserKerberosDescriptorTest.java PRE-CREATION Diff: https://reviews.apache.org/r/55424/diff/ Testing ------- mvn clean test Thanks, Eugene Chekanskiy