[jira] [Created] (AMBARI-13492) NN HA wizard gets stuck when JournalNodes fail after getting started

["Aleksandr Kovalenko (JIRA)" <ji...@apache.org>]

Aleksandr Kovalenko created AMBARI-13492:
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             Summary: NN HA wizard gets stuck when JournalNodes fail after getting started
                 Key: AMBARI-13492
                 URL: https://issues.apache.org/jira/browse/AMBARI-13492
             Project: Ambari
          Issue Type: Bug
          Components: ambari-web
    Affects Versions: 2.1.3
            Reporter: Aleksandr Kovalenko
            Assignee: Aleksandr Kovalenko
            Priority: Critical
             Fix For: 2.1.3


Attempting to enable NameNode HA, and the wizard is stuck at initializing shared edits when the JournalNodes are not running. The HA wizard does start the JNs, but if they stop for some reason, the wizard is stuck without any message. The reason the wizard is stuck is that it relies on JN's JMX response which is not available
{code}
  "metrics" : {
    "dfs" : {
      "journalnode" : {
        "journalsStatus" : "{\"myha\":{\"Formatted\":\"true\"}}",
{code}

When this is not available we should tell user why wizard has a disabled Next button.



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