[
https://issues.apache.org/jira/browse/SPARK-26198?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yuming Wang updated SPARK-26198:
--------------------------------
Description:
How to reproduce this issue:
{code}
scala> val meta = new
org.apache.spark.sql.types.MetadataBuilder().putNull("key").build().json
java.lang.NullPointerException
at
org.apache.spark.sql.types.Metadata$.org$apache$spark$sql$types$Metadata$$toJsonValue(Metadata.scala:196)
at org.apache.spark.sql.types.Metadata$$anonfun$1.apply(Metadata.scala:180)
{code}
was:
How to reproduce this issue:
{code:scala}
scala> val meta = new
org.apache.spark.sql.types.MetadataBuilder().putNull("key").build()
java.lang.NullPointerException
at
org.apache.spark.sql.types.Metadata$.org$apache$spark$sql$types$Metadata$$toJsonValue(Metadata.scala:196)
at org.apache.spark.sql.types.Metadata$$anonfun$1.apply(Metadata.scala:180)
{code}
> Metadata serialize null values throw NPE
> ----------------------------------------
>
> Key: SPARK-26198
> URL: https://issues.apache.org/jira/browse/SPARK-26198
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Yuming Wang
> Priority: Major
>
> How to reproduce this issue:
> {code}
> scala> val meta = new
> org.apache.spark.sql.types.MetadataBuilder().putNull("key").build().json
> java.lang.NullPointerException
> at
> org.apache.spark.sql.types.Metadata$.org$apache$spark$sql$types$Metadata$$toJsonValue(Metadata.scala:196)
> at org.apache.spark.sql.types.Metadata$$anonfun$1.apply(Metadata.scala:180)
> {code}
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