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(Updated 九月 23, 2016, 4:58 a.m.) Review request for Ambari, Jonathan Hurley, Oliver Szabo, Robert Nettleton, and Sebastian Toader. Bugs: AMBARI-18441 https://issues.apache.org/jira/browse/AMBARI-18441 Repository: ambari Description ------- ambari upgrade to 2.1.1, if the first time failed , excute ambari-server upgrade again will error duplicate key value violates unique constraint "pk_hostcomponentstate". Diffs (updated) ----- ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog211.java db13612 Diff: https://reviews.apache.org/r/52155/diff/ Testing ------- the unit test is UpgradeCatalog211Test.java: Process finished with exit code 0. done ! Thanks, wang yaoxin