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https://issues.apache.org/jira/browse/AMBARI-11700?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Di Li updated AMBARI-11700:
---------------------------
    Description: 
The YarnTimelineServerStatePreservingCheck class skips running the check when 
the rolling upgrade is for non-HDP stack, due to the comparison against 
hardcoded stack name "HDP" and version value "2.2.4.2".

The check may still need to run against a non-HDP stack. Use this JIRA to make 
the check runnable based on properties (rollingupgrade.stack, 
rollingupgrade.version) set in the /etc/ambari-server/conf/ambari.properties. 
Still default to HDP and 2.2.4.2 if the properties do not exist.

  was:
The YarnTimelineServerStatePreservingCheck class skips running the check when 
the rolling upgrade is for non-HDP stack, due to the comparison against 
hardcoded stack name "HDP" and version value "2.2.4.2".

The check may still need to run against a non-HDP stack. Use this JIRA to make 
the check runnable based on properties value set in the 
/etc/ambari-server/conf/ambari.properties. Still default to HDP and 2.2.4.2 if 
the properties do not exist.


> YarnTimelineServerStatePreservingCheck does not run when rolling upgrade a 
> non-HDP stack
> ----------------------------------------------------------------------------------------
>
>                 Key: AMBARI-11700
>                 URL: https://issues.apache.org/jira/browse/AMBARI-11700
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.1.0
>            Reporter: Di Li
>            Assignee: Di Li
>             Fix For: 2.1.0
>
>
> The YarnTimelineServerStatePreservingCheck class skips running the check when 
> the rolling upgrade is for non-HDP stack, due to the comparison against 
> hardcoded stack name "HDP" and version value "2.2.4.2".
> The check may still need to run against a non-HDP stack. Use this JIRA to 
> make the check runnable based on properties (rollingupgrade.stack, 
> rollingupgrade.version) set in the /etc/ambari-server/conf/ambari.properties. 
> Still default to HDP and 2.2.4.2 if the properties do not exist.



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