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(Updated Aug. 9, 2017, 10:15 p.m.) Review request for Ambari, Alejandro Fernandez, Dmytro Sen, Jonathan Hurley, and Sumit Mohanty. Changes ------- Added same thing on downgrade. Bugs: AMBARI-21695 https://issues.apache.org/jira/browse/AMBARI-21695 Repository: ambari Description ------- org.apache.ambari.server.metadata.CachedRoleCommandOrderProvider#getRoleCommandOrder(org.apache.ambari.server.state.Cluster) This method caches the RCO for the stack which is never cleared. Since the BI stack does not have Accumulo service the RCO is not honored resulting in ACCUMULO service not starting after the express upgrade when ACCUMULO is added. Diffs (updated) ----- ambari-server/src/main/java/org/apache/ambari/server/metadata/CachedRoleCommandOrderProvider.java 49abc66 ambari-server/src/main/java/org/apache/ambari/server/serveraction/upgrades/FinalizeUpgradeAction.java d531460 ambari-server/src/main/resources/scripts/configs.py 40a8324 Diff: https://reviews.apache.org/r/61542/diff/2/ Changes: https://reviews.apache.org/r/61542/diff/1-2/ Testing ------- UpgradeActionTest unit tests are green. Thanks, Sid Wagle