Siddharth Wagle created AMBARI-21917:
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             Summary: Some services had issue coming up after express upgrade 
on IOP clusters
                 Key: AMBARI-21917
                 URL: https://issues.apache.org/jira/browse/AMBARI-21917
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.5.2
            Reporter: Siddharth Wagle
            Assignee: Siddharth Wagle
            Priority: Critical
             Fix For: 2.6.0


The RCO cache gets cleared on an upgrade to make sure new RCO is loaded. 
However, certain test environments have reported seeing incorrect / older RCO 
still in effect after Finalize and the operations failing due to this.

The server log does indicate RCO getting cleared:
{code}
24 Aug 2017 17:15:26,701  INFO [Server Action Executor Worker 1509] 
StackUpgradeFinishListener:92 - Clearing RCO cache
{code}

But the initialization statements are missing. Making a defensive patch to for 
re-creation of RCO.



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