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https://issues.apache.org/jira/browse/SPARK-48946?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dongjoon Hyun resolved SPARK-48946.
-----------------------------------
Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 47419
[https://github.com/apache/spark/pull/47419]
> NPE in DataSourceV2ScanExecBase redact method when session is null
> ------------------------------------------------------------------
>
> Key: SPARK-48946
> URL: https://issues.apache.org/jira/browse/SPARK-48946
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: Mikó Szilárd
> Assignee: Mikó Szilárd
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> If we call DataSourceV2ScanExecBase redact method from a thread that don't
> have a session in thread local we get an NPE.
> [https://github.com/apache/spark/blob/3f6e2d6ef354c034ce0b39a092d23dd99431a16c/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/DataSourceV2ScanExecBase.scala#L70C3-L75C4]
>
> Changing
> {code:java}
> session.sessionState.conf.stringRedactionPattern {code}
> to
> {code:java}
> conf.stringRedactionPattern {code}
> could prevent this problem as conf checks if session is null or not.
> [https://github.com/apache/spark/blob/af5eb085b0ac01eec2bb5db206b7d499d462abc4/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkPlan.scala#L69]
> In case of DataSourceScanExec we already use conf.stringRedactionPattern:
> [https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/DataSourceScanExec.scala#L93-L95]
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