L. C. Hsieh created SPARK-55016:
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Summary: Prevent stack overflow when SQLConf.get is called during
sessionState initialization
Key: SPARK-55016
URL: https://issues.apache.org/jira/browse/SPARK-55016
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 4.1.1, 3.5.7, 4.0.1
Reporter: L. C. Hsieh
There is a potential stack overflow issue that can occur when
SQLConf.get.getConf() is called during SparkSession's sessionState
initialization. The problem happens when:
SparkSession becomes active via setDefaultAndActiveSession
sessionState lazy val starts initializing (not yet complete)
During initialization, code calls SQLConf.get.getConf()
confGetter tries to access sessionState.conf
This creates a recursive loop because sessionState is still initializing
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