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