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https://issues.apache.org/jira/browse/AMBARI-23414?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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JaySenSharma updated AMBARI-23414:
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Status: Patch Available (was: In Progress)
https://github.com/apache/ambari/pull/844
> Refreshing Ambari Dashboard or HDFS Dashboard shows console error Cannot read
> property 'hosts' of undefined
> -----------------------------------------------------------------------------------------------------------
>
> Key: AMBARI-23414
> URL: https://issues.apache.org/jira/browse/AMBARI-23414
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server, ambari-web
> Affects Versions: trunk, 2.7.0
> Reporter: JaySenSharma
> Assignee: JaySenSharma
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> In a NameNode HA enabled cluster, When we refresh the Ambari UI page then on
> next time refresh we see the following error on the Browser console :
> {code}
> Uncaught TypeError: Cannot read property 'hosts' of undefined
> at app.js:213145
> at Array.filter (<anonymous>)
> at app.js:213144
> at Array.map (<anonymous>)
> at Class.setMultipleGroupLinks (app.js:213143)
> at Class.setQuickLinksSuccessCallback (app.js:212862)
> at Class.opt.success (app.js:180150)
> at fire (vendor.js:1141)
> at Object.fireWith [as resolveWith] (vendor.js:1252)
> at done (vendor.js:8178)
> {code}
> This happens because the expression "this.get('shouldSetGroupedLinks')"
> returns "false" first time but next time it returns "true" but the
> possibility is that the expression "this.get('masterGroups.length')". is
> still returns "false". (means the "masterGroups" array is still having no or
> one element).
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