[jira] [Assigned] (HIVE-18283) Better error message and error code for HoS exceptions

["Chao Sun (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-18283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chao Sun reassigned HIVE-18283:
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> Better error message and error code for HoS exceptions
> ------------------------------------------------------
>
>                 Key: HIVE-18283
>                 URL: https://issues.apache.org/jira/browse/HIVE-18283
>             Project: Hive
>          Issue Type: Improvement
>          Components: Spark
>            Reporter: Chao Sun
>            Assignee: Chao Sun
>
> Right now HoS only use a few error codes. For the majority of the errors, user will see an error code 1 followed by a lengthy stacktrace. This is not ideal since:
> 1. It is often hard to find the root cause - sometimes it is hidden deeply inside the stacktrace.
> 2. After identifying the root cause, it is not easy to find a fix. Often user have to copy & paste the error message and google them. 
> 3. It is not clear whether the error is transient or not, depending on which user may want to retry the query. 
> To improve the above, this JIRA propose to assign error code & canonical error messages for different HoS errors. We can take advantage of the existing {{ErrorMsg}} class.



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