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https://issues.apache.org/jira/browse/AMBARI-25744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yao Lei resolved AMBARI-25744.
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Resolution: Fixed
> [BIGTOP]MapReduce Actions Menu Lacks Service Check Button
> ---------------------------------------------------------
>
> Key: AMBARI-25744
> URL: https://issues.apache.org/jira/browse/AMBARI-25744
> Project: Ambari
> Issue Type: Bug
> Reporter: Yao Lei
> Assignee: Yao Lei
> Priority: Major
> Fix For: 2.8.0
>
> Attachments: screenshot-1.png
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> As shown in the flowing picture
> !screenshot-1.png!
> The reason seems caused by AMBARI-24921.
> When access to MapReduce page, in the file app/views/main/service/item.js
> at line 162
> {code:java}service.get('installedClients')// result is null {code} ,
> so the code {code:java}
> var hasClient = App.StackService.find(serviceName).get('hasClient') ?
> service.get('installedClients') > 0 : true;
> var serviceCheckSupported =
> App.get('services.supportsServiceCheck').contains(serviceName) && hasClient;
> {code}will make the variable serviceCheckSupported is false that lead to the
> Service Check buttion invisible
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