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From "Ning Zhang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-1651) ScriptOperator should not forward any output to downstream operators if an exception is happened
Date Fri, 17 Sep 2010 19:23:33 GMT

     [ https://issues.apache.org/jira/browse/HIVE-1651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ning Zhang updated HIVE-1651:
-----------------------------

    Status: Patch Available  (was: Open)

> ScriptOperator should not forward any output to downstream operators if an exception
is happened
> ------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-1651
>                 URL: https://issues.apache.org/jira/browse/HIVE-1651
>             Project: Hadoop Hive
>          Issue Type: Bug
>            Reporter: Ning Zhang
>            Assignee: Ning Zhang
>         Attachments: HIVE-1651.patch
>
>
> ScriptOperator spawns 2 threads for getting the stdout and stderr from the script and
then forward the output from stdout to downstream operators. In case of any exceptions to
the script (e.g., got killed), the ScriptOperator got an exception and throw it to upstream
operators until MapOperator got it and call close(abort). Before the ScriptOperator.close()
is called the script output stream can still forward output to downstream operators. We should
terminate it immediately.

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