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https://issues.apache.org/jira/browse/PARQUET-19?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14075712#comment-14075712
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Brock Noland commented on PARQUET-19:
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HIVE-7459 has been committed. We can now backport the change to Parquet.
> NPE when an empty file is included in a Hive query that uses
> CombineHiveInputFormat
> -----------------------------------------------------------------------------------
>
> Key: PARQUET-19
> URL: https://issues.apache.org/jira/browse/PARQUET-19
> Project: Parquet
> Issue Type: Bug
> Reporter: Matt Martin
>
> Make sure the valueObj instance variable is always initialized. This change
> is neeeded when running a Hive query that uses the CombineHiveInputFormat and
> the first file in the combined split is empty. This can lead to a
> NullPointerException because the valueObj is null when the
> CombineHiveInputFormat calls the createValue method.
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