Sandor Magyari created AMBARI-14566:
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Summary: 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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