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https://issues.apache.org/jira/browse/KYLIN-1339?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhong Yanghong reassigned KYLIN-1339:
-------------------------------------

    Assignee: Zhong Yanghong  (was: Su Ralph)

> N/A Job Tracking URL in Build WebUI
> -----------------------------------
>
>                 Key: KYLIN-1339
>                 URL: https://issues.apache.org/jira/browse/KYLIN-1339
>             Project: Kylin
>          Issue Type: Bug
>          Components: Job Engine
>            Reporter: Yerui Sun
>            Assignee: Zhong Yanghong
>              Labels: newbie
>
> By designing, the cuboid building steps on web ui has the url directed to the 
> job page on yarn. 
> In fact, the url can't be always retrieved successfully. The url is 'N/A' 
> sometimes, or added a prefix 'unsafe:' sometimes, or the right link 
> sometimes. With some debug log, founded that the url was fetched from status 
> info, which filled by job.getTrackingURL() in HadoopCmdOutput.getInfo() when 
> check job status in MapReduceExecutable. The job tracking url was 'N/A' at 
> the first 20 seconds since job started, and became the right link after that. 
> One possible reason is that the tracking url is valid until AppMaster 
> started, which started slowly.
> There's still one question, the job status checking was executed 
> periodically, and the status info should filled with job tracking url after 
> some seconds later, but the web ui link was not updated.
> Some more digging is needed for this issue.



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