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https://issues.apache.org/jira/browse/AMBARI-14566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sandor Magyari updated AMBARI-14566:
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External issue ID: (was: AMBARI-14566)
> Blueprint config processor should not expect only one instance of ATS/AMS/JHS
> -----------------------------------------------------------------------------
>
> Key: AMBARI-14566
> URL: https://issues.apache.org/jira/browse/AMBARI-14566
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.2.1
> Reporter: Sandor Magyari
> Assignee: Sandor Magyari
> Priority: Blocker
> Fix For: 2.2.1
>
>
> Some deployments can deploy two instances of ATS/AMS/JHS. However, there is
> code in Blueprint config processing which assumes only one host for these
> component type and thus tries to compute URLS using the
> SingleHostTopologyUpdater resulting in the following error:
> java.lang.IllegalArgumentException: Unable to update configuration property
> 'yarn.timeline-service.webapp.https.address' with topology information.
> Component 'APP_TIMELINE_SERVER' is mapped to an invalid number of hosts '2'.
> SingleHostTopologyUpdater should not update the original value of
> properties if they already have a value, in case of having multiple instances
> of HISTORYSERVER and APP_TIMELINE_SERVER components.
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