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https://issues.apache.org/jira/browse/AMBARI-21327?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Di Li updated AMBARI-21327:
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Attachment: AMBARI-21327.patch
> Ambari server to print error messages if NN HA namenode services properties
> use diff FQDN (dual network cards) than FQDN in the HostComponentState table
> --------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: AMBARI-21327
> URL: https://issues.apache.org/jira/browse/AMBARI-21327
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: trunk
> Reporter: Di Li
> Assignee: Di Li
> Fix For: trunk
>
> Attachments: AMBARI-21327.patch
>
>
> For hosts with dual network cards and configured with two FQDN, it's possible
> to manually config NN HA with alternative FQDN than the ones recorded in the
> Ambari database. This caused an issue for EU/RU when upon kicking off the
> upgrade via UI, the UI immediately posts the following error:
> "An internal system exception occurred: Request specifies host XXXXX but it
> is not a valid host based on the target service=null and component=null"
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