ay 25, 2023 5:47:45 PM org.hibernate.jpa.internal.util.LogHelper logPersistenceUnitInformation
INFO: HHH000204: Processing PersistenceUnitInfo [name: test]
May 25, 2023 5:47:46 PM org.hibernate.Version logVersion
INFO: HHH000412: Hibernate ORM core version 6.2.2.Final
May 25, 2023 5:47:46 PM org.hibernate.cfg.Environment <clinit>
INFO: HHH000406: Using bytecode reflection optimizer
May 25, 2023 5:47:46 PM org.hibernate.engine.jdbc.connections.internal.ConnectionProviderInitiator initiateService
INFO: HHH000130: Instantiating explicit connection provider: org.hibernate.hikaricp.internal.HikariCPConnectionProvider
[main] INFO com.zaxxer.hikari.HikariDataSource - HikariPool-1 - Starting...
[main] INFO com.zaxxer.hikari.pool.HikariPool - HikariPool-1 - Added connection conn0: url=jdbc:h2:mem:test user=ROOT
[main] INFO com.zaxxer.hikari.HikariDataSource - HikariPool-1 - Start completed.
May 25, 2023 5:47:46 PM org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl logSelectedDialect
INFO: HHH035001: Using dialect: org.hibernate.dialect.H2Dialect, version: 2.1.214
May 25, 2023 5:47:46 PM org.hibernate.bytecode.internal.BytecodeProviderInitiator buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : bytebuddy
May 25, 2023 5:47:46 PM org.hibernate.validator.internal.util.Version <clinit>
INFO: HV000001: Hibernate Validator 8.0.0.Final
May 25, 2023 5:47:47 PM org.hibernate.engine.transaction.jta.platform.internal.JtaPlatformInitiator initiateService
INFO: HHH000490: Using JtaPlatform implementation: [org.hibernate.engine.transaction.jta.platform.internal.NoJtaPlatform]
Exception in thread "main" jakarta.persistence.RollbackException: Error while committing the transaction
	at org.hibernate.internal.ExceptionConverterImpl.convertCommitException(ExceptionConverterImpl.java:65)
	at org.hibernate.engine.transaction.internal.TransactionImpl.commit(TransactionImpl.java:104)
	at com.example.demo.DemoApplication.deleteUsers(DemoApplication.java:30)
	at com.example.demo.DemoApplication.main(DemoApplication.java:20)
Caused by: jakarta.validation.ValidationException: HV000028: Unexpected exception during isValid call.
	at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateSingleConstraint(ConstraintTree.java:186)
	at org.hibernate.validator.internal.engine.constraintvalidation.SimpleConstraintTree.validateConstraints(SimpleConstraintTree.java:66)
	at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateConstraints(ConstraintTree.java:75)
	at org.hibernate.validator.internal.metadata.core.MetaConstraint.doValidateConstraint(MetaConstraint.java:130)
	at org.hibernate.validator.internal.metadata.core.MetaConstraint.validateConstraint(MetaConstraint.java:123)
	at org.hibernate.validator.internal.engine.ValidatorImpl.validateMetaConstraint(ValidatorImpl.java:555)
	at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForSingleDefaultGroupElement(ValidatorImpl.java:518)
	at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForDefaultGroup(ValidatorImpl.java:488)
	at org.hibernate.validator.internal.engine.ValidatorImpl.validateConstraintsForCurrentGroup(ValidatorImpl.java:450)
	at org.hibernate.validator.internal.engine.ValidatorImpl.validateInContext(ValidatorImpl.java:400)
	at org.hibernate.validator.internal.engine.ValidatorImpl.validate(ValidatorImpl.java:172)
	at org.hibernate.boot.beanvalidation.BeanValidationEventListener.validate(BeanValidationEventListener.java:128)
	at org.hibernate.boot.beanvalidation.BeanValidationEventListener.onPreUpdate(BeanValidationEventListener.java:92)
	at org.hibernate.action.internal.EntityUpdateAction.preUpdate(EntityUpdateAction.java:329)
	at org.hibernate.action.internal.EntityUpdateAction.execute(EntityUpdateAction.java:159)
	at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:618)
	at org.hibernate.engine.spi.ActionQueue.lambda$executeActions$1(ActionQueue.java:489)
	at java.base/java.util.LinkedHashMap.forEach(LinkedHashMap.java:721)
	at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:486)
	at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:358)
	at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:39)
	at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:127)
	at org.hibernate.internal.SessionImpl.doFlush(SessionImpl.java:1412)
	at org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:485)
	at org.hibernate.internal.SessionImpl.flushBeforeTransactionCompletion(SessionImpl.java:2296)
	at org.hibernate.internal.SessionImpl.beforeTransactionCompletion(SessionImpl.java:1961)
	at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.beforeTransactionCompletion(JdbcCoordinatorImpl.java:439)
	at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.beforeCompletionCallback(JdbcResourceLocalTransactionCoordinatorImpl.java:169)
	at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.commit(JdbcResourceLocalTransactionCoordinatorImpl.java:267)
	at org.hibernate.engine.transaction.internal.TransactionImpl.commit(TransactionImpl.java:101)
	... 2 more
Caused by: java.lang.NullPointerException: Cannot invoke "org.hibernate.persister.collection.CollectionPersister.isExtraLazy()" because "persister" is null
	at org.hibernate.collection.spi.AbstractPersistentCollection.lambda$readSize$0(AbstractPersistentCollection.java:155)
	at org.hibernate.collection.spi.AbstractPersistentCollection.withTemporarySessionIfNeeded(AbstractPersistentCollection.java:265)
	at org.hibernate.collection.spi.AbstractPersistentCollection.readSize(AbstractPersistentCollection.java:148)
	at org.hibernate.collection.spi.PersistentSet.size(PersistentSet.java:151)
	at org.hibernate.validator.internal.constraintvalidators.bv.notempty.NotEmptyValidatorForCollection.isValid(NotEmptyValidatorForCollection.java:37)
	at org.hibernate.validator.internal.constraintvalidators.bv.notempty.NotEmptyValidatorForCollection.isValid(NotEmptyValidatorForCollection.java:22)
	at org.hibernate.validator.internal.engine.constraintvalidation.ConstraintTree.validateSingleConstraint(ConstraintTree.java:180)
	... 31 more