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Review request for Ambari, Andrew Onischuk, Dmitro Lisnichenko, and Robert Levas. Bugs: AMBARI-21984 https://issues.apache.org/jira/browse/AMBARI-21984 Repository: ambari Description ------- Sometimes scripts starting yarn services but they are already running. It is rarely reproduced and hard to debug. This patch checks output of start command and ignore start failure in case script reporting "service is running" and validates pid pile after that. Diffs ----- ambari-server/src/main/resources/common-services/YARN/2.1.0.2.0/package/scripts/service.py 7c59b60 ambari-server/src/main/resources/common-services/YARN/3.0.0.3.0/package/scripts/service.py 1c612ef ambari-server/src/test/python/stacks/2.0.6/YARN/test_historyserver.py 6a99dfa ambari-server/src/test/python/stacks/2.0.6/YARN/test_nodemanager.py 642043d ambari-server/src/test/python/stacks/2.0.6/YARN/test_resourcemanager.py 8a703df ambari-server/src/test/python/stacks/2.1/YARN/test_apptimelineserver.py b352920 Diff: https://reviews.apache.org/r/62388/diff/1/ Testing ------- mvn clean test, cluster deploy Thanks, Eugene Chekanskiy