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https://issues.apache.org/jira/browse/HIVE-251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12680708#action_12680708
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Venky Iyer commented on HIVE-251:
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I believe this has to do with cases where the (streaming) script reads in all
of its input from stdin and _then_ fails. Scripts that fail before reading in
all their input are correctly marked as having failed.
> Failures in Transform don't stop the job
> ----------------------------------------
>
> Key: HIVE-251
> URL: https://issues.apache.org/jira/browse/HIVE-251
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Serializers/Deserializers
> Reporter: S. Alex Smith
> Priority: Blocker
>
> If the program executed via a SELECT TRANSFORM() USING 'foo' exits with a
> non-zero exit status, Hive proceeds as if nothing bad happened. The main way
> that the user knows something bad has happened is if the user checks the logs
> (probably because he got no output). This is doubly bad if the program only
> fails part of the time (say, on certain inputs) since the job will still
> produce output and thus the problem will likely go undetected.
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