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Date: Fri, 17 Sep 2010 15:23:32 -0400 (EDT)
From: "Ning Zhang (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Subject: [jira] Updated: (HIVE-1651) ScriptOperator should not forward any
 output to downstream operators if an exception is happened
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     [ https://issues.apache.org/jira/browse/HIVE-1651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

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

    Attachment: HIVE-1651.patch

> 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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