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Posted to issues@spark.apache.org by "Kaya Kupferschmidt (JIRA)" <ji...@apache.org> on 2018/07/06 05:16:00 UTC
[jira] [Comment Edited] (SPARK-24742) Field Metadata raises
NullPointerException in hashCode method
[ https://issues.apache.org/jira/browse/SPARK-24742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16533286#comment-16533286 ]
Kaya Kupferschmidt edited comment on SPARK-24742 at 7/6/18 5:15 AM:
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A patch is provided as a pull request in https://github.com/apache/spark/pull/21722
was (Author: kupferk):
I will provide a patch later.
> Field Metadata raises NullPointerException in hashCode method
> -------------------------------------------------------------
>
> Key: SPARK-24742
> URL: https://issues.apache.org/jira/browse/SPARK-24742
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.1
> Reporter: Kaya Kupferschmidt
> Priority: Minor
>
> The class org.apache.spark.sql.types.Metadata has a method *putNull* for storing null pointers as Metadata. Unfortunately the hashCode method throws a NullPointerException when there are null values in a Metadata object, rendering the *puNull* method useless.
> h2. How to Reproduce
> The following code will raise a NullPointerException
> {code}
> new MetadataBuilder().putNull("key").build().hashCode
> {code}
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