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From "Ning Zhang (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-1651) ScriptOperator should not forward any output to downstream operators if an exception is happened
Date Fri, 17 Sep 2010 19:19:32 GMT
ScriptOperator should not forward any output to downstream operators if an exception is happened
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                 Key: HIVE-1651
                 URL: https://issues.apache.org/jira/browse/HIVE-1651
             Project: Hadoop Hive
          Issue Type: Bug
            Reporter: Ning Zhang
            Assignee: Ning Zhang


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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