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https://issues.apache.org/jira/browse/AMBARI-12215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14608191#comment-14608191
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Aleksandr Kovalenko commented on AMBARI-12215:
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+1 for the patch
> Service Summary: failed requests to widget metrics
> --------------------------------------------------
>
> Key: AMBARI-12215
> URL: https://issues.apache.org/jira/browse/AMBARI-12215
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.1.0
> Reporter: Andrii Tkach
> Assignee: Andrii Tkach
> Fix For: 2.2.0
>
> Attachments: AMBARI-12215.patch
>
>
> *Steps to reproduce:*
> # Open any service summary, which has widgets
> # Instantly leave service summary page
> *Actual result:*
> metric call:
> {code:java}
> /api/v1/clusters/c1/host_components?HostRoles/component_name=NAMENODE&fields=metrics/jvm/gcCount[NaN,1435665434,15]
> {code}
> fails because of *NaN* in time parameters
> *Expected result:*
> call should be aborted, since user left summary page
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