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https://issues.apache.org/jira/browse/SPARK-26334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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chenliang updated SPARK-26334:
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Attachment: (was: image-2018-12-11-16-54-50-659.png)
> NullPointerException in CallMethodViaReflection when we apply reflect
> function for empty field
> -----------------------------------------------------------------------------------------------
>
> Key: SPARK-26334
> URL: https://issues.apache.org/jira/browse/SPARK-26334
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.2.0, 2.3.0
> Reporter: chenliang
> Priority: Major
> Attachments: image-2018-12-11-16-48-27-305.png
>
>
> In the table shown below：
> CREATE EXTERNAL TABLE `test_db4`(`a` string, `b` string, `url` string)
> PARTITIONED BY (`dt` string);
> !image-2018-12-11-16-47-26-369.png!
> For field `url`, some values are initialized to NULL .
> When we apply reflect function to `url` , it will lead to
> NullPointerException as follow:
> !image-2018-12-11-16-54-50-659.png!
>
>
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