[jira] [Assigned] (HIVE-20159) Do Not Print StackTraces to STDERR in ConditionalResolverSkewJoin

["Mani M (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-20159?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mani M reassigned HIVE-20159:
-----------------------------

    Assignee: Mani M

> Do Not Print StackTraces to STDERR in ConditionalResolverSkewJoin
> -----------------------------------------------------------------
>
>                 Key: HIVE-20159
>                 URL: https://issues.apache.org/jira/browse/HIVE-20159
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Planning
>    Affects Versions: 3.0.0, 4.0.0
>            Reporter: BELUGA BEHR
>            Assignee: Mani M
>            Priority: Minor
>              Labels: newbie, noob
>
> https://github.com/apache/hive/blob/6d890faf22fd1ede3658a5eed097476eab3c67e9/ql/src/java/org/apache/hadoop/hive/ql/plan/ConditionalResolverSkewJoin.java#L121
> {code}
>     } catch (IOException e) {
>       e.printStackTrace();
>     }
> {code}
> Introduce an SLF4J logger to this class and print a WARN level log message if the {{IOException}} from {{Utilities.listStatusIfExists}} is generated.  I suggest WARN because the entire operation doesn't fail if this error happens.  It continues on its way with the data that it was able to collect.  I'm not sure if this is the intended behavior, but for now, a helpful warning message in the logging would be better.



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