Di Li created AMBARI-19657:
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Summary: Downgrade button does not work after restart Ambari
server when upgrade wizard was left open
Key: AMBARI-19657
URL: https://issues.apache.org/jira/browse/AMBARI-19657
Project: Ambari
Issue Type: Bug
Components: ambari-web
Affects Versions: trunk
Reporter: Di Li
Assignee: Di Li
Fix For: trunk
Run express/rolling upgrade on a trunk cluster. While the upgrade wizard UI
pauses on a manual step or a failed step, restart ambari server. Once the
Ambari Server restarts, reload Ambari web UI, observe that the wizard UI pops
up automatically with the paused step showing the Downgrade button. Clicking
the downgrade button doesn't do anything in this case because the
"currentVersion" variable in the controller isn't set yet. Workaround is to
close the wizard to force the Stack/Version page to reload, then reopen the
wizard and click the Downgrade button.
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