[jira] [Created] (AMBARI-5778) In some upgrade scenarios, Ambari Web's persist key-value store state causes the UI to act unpredictably

["Myroslav Papirkovskyy (JIRA)" <ji...@apache.org>]

Myroslav Papirkovskyy created AMBARI-5778:
---------------------------------------------

             Summary: In some upgrade scenarios, Ambari Web's persist key-value store state causes the UI to act unpredictably
                 Key: AMBARI-5778
                 URL: https://issues.apache.org/jira/browse/AMBARI-5778
             Project: Ambari
          Issue Type: Bug
          Components: controller
    Affects Versions: 1.5.1
            Reporter: Myroslav Papirkovskyy
            Assignee: Myroslav Papirkovskyy
            Priority: Critical
             Fix For: 1.6.0
         Attachments: AMBARI-5778.patch

During Ambari upgrade, automatically clear the persist state to prevent potential issues with Ambari Web not working properly (this was observed a number of times on upgraded clusters). 

Currently, we make the following call to get out of the inconsistent state so that Ambari Web works properly:
{code}
curl -i -u admin:admin -H "X-Requested-By: ambari" -X POST -d '{ "CLUSTER_CURRENT_STATUS": "{\"clusterState\":\"CLUSTER_STARTED_5\"}" }' http://localhost:8080/api/v1/persist
{code}

We need to do something equivalent during upgrade.



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