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From "Paul Yang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-873) Better error messages for Hive cmdline
Date Thu, 22 Oct 2009 00:54:59 GMT

     [ https://issues.apache.org/jira/browse/HIVE-873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Paul Yang updated HIVE-873:
---------------------------

    Attachment: HIVE-873.1.patch

* Made modifications to patch, simplified code

Concerns: 

* Why was rj.getTaskCompletionEvents() was checked repeatedly in a loop? I removed the loop
in the revision.

* Is there a better way to get the URL for the task info page? conf.get("mapred.job.tracker",
"local") has the wrong port # and TaskCompletionEvent.getTaskTrackerHttp() doesn't return
a usable address.

* Is the conf var hive.exec.fail.debug necessary? Should such info always be displayed?

> Better error messages for Hive cmdline
> --------------------------------------
>
>                 Key: HIVE-873
>                 URL: https://issues.apache.org/jira/browse/HIVE-873
>             Project: Hadoop Hive
>          Issue Type: New Feature
>            Reporter: Zheng Shao
>            Assignee: Paul Yang
>         Attachments: hive-873-2009-10-15.patch, HIVE-873.1.patch
>
>
> Currently, we are facing a lot of questions of Hive users because they cannot directly
see what is the error causing the job to fail.
> We should expose that information to our user so that they can understand why their job
failed easily.
> There are the 2 possible ways to get the error information:
> {code}
> RunningJob JobClient.submitJob();
> TaskCompletionEvent[] RunningJob.getTaskCompletionEvents()
> TaskCompletionEvent.getTaskTrackerHttp()
> {code}
> {code}
> TaskReport[] JobClient.getMapTaskReports();
> {code}
> We can edit ExecDriver.java and put that in after we submit a job.

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