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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/04/30 16:46:00 UTC
[jira] [Resolved] (SPARK-27597) RuntimeConfig should be
serializable
[ https://issues.apache.org/jira/browse/SPARK-27597?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon resolved SPARK-27597.
----------------------------------
Resolution: Not A Problem
> RuntimeConfig should be serializable
> ------------------------------------
>
> Key: SPARK-27597
> URL: https://issues.apache.org/jira/browse/SPARK-27597
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.1
> Reporter: Nick Dimiduk
> Priority: Major
>
> When implementing a UDF or similar, it's quite surprising to see that the {{SparkSession}} is {{Serializable}} but {{RuntimeConf}} is not. When modeling UDFs in an object-oriented way, this leads to quite a surprise, an ugly NPE from the {{call}} site.
> {noformat}
> Caused by: java.lang.NullPointerException
> at org.apache.spark.sql.SparkSession.sessionState$lzycompute(SparkSession.scala:143)
> at org.apache.spark.sql.SparkSession.sessionState(SparkSession.scala:141)
> at org.apache.spark.sql.SparkSession.conf$lzycompute(SparkSession.scala:170)
> at org.apache.spark.sql.SparkSession.conf(SparkSession.scala:170)
> ...{noformat}
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