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https://issues.apache.org/jira/browse/HIVE-498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zheng Shao updated HIVE-498:
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Attachment: HIVE-498.1.patch
This patch fixes the problem.
> UDFRegExp NullPointerException on empty replacement string
> ----------------------------------------------------------
>
> Key: HIVE-498
> URL: https://issues.apache.org/jira/browse/HIVE-498
> Project: Hadoop Hive
> Issue Type: Bug
> Affects Versions: 0.4.0
> Reporter: Zheng Shao
> Assignee: Zheng Shao
> Attachments: HIVE-498.1.patch
>
>
> UDFRegExp, UDFRegExpReplace, UDFRegExpExtract will throw out
> NullPointerException if the replacement String is empty or pattern is empty
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