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From "Laszlo Bodor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19968) UDF exception is not throw out
Date Thu, 13 Dec 2018 09:37:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16719978#comment-16719978
] 

Laszlo Bodor commented on HIVE-19968:
-------------------------------------

udf_reflect failure was related, actually the exception revealed that reflect("java.lang.Integer",
"valueOf", key, 16) is not valid as java.lang.Integer cannot be instantiated with default
constructor (it will throw java.lang.NoSuchMethodException: java.lang.Integer.<init>()),
so far, the test gave a nonsense value 568 :)

> UDF exception is not throw out
> ------------------------------
>
>                 Key: HIVE-19968
>                 URL: https://issues.apache.org/jira/browse/HIVE-19968
>             Project: Hive
>          Issue Type: Bug
>            Reporter: sandflee
>            Assignee: Laszlo Bodor
>            Priority: Major
>         Attachments: HIVE-19968.01.patch, HIVE-19968.02.patch, hive-udf.png
>
>
> udf init failed, and throw a exception, but hive catch it and do nothing, leading to
app succ, but no data is generated.
> {code}
> GenericUDFReflect.java#evaluate()
> try {  
>    o = null;  
>    o = ReflectionUtils.newInstance(c, null);
> }   catch (Exception e) {  
> // ignored
> }
> {code}



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