java.util.ConcurrentModificationException: null
    at java.base/java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1013)
    at java.base/java.util.ArrayList$Itr.next(ArrayList.java:967)
    at org.hibernate.sql.ast.spi.AbstractSqlAstTranslator.visitAnsiCaseSearchedExpression(AbstractSqlAstTranslator.java:4858)
    at org.hibernate.sql.ast.spi.AbstractSqlAstTranslator.visitCaseSearchedExpression(AbstractSqlAstTranslator.java:4849)
    at org.hibernate.sql.ast.spi.AbstractSqlAstTranslator.visitCaseSearchedExpression(AbstractSqlAstTranslator.java:4841)
    at org.hibernate.sql.ast.tree.expression.CaseSearchedExpression.accept(CaseSearchedExpression.java:99)
    at org.hibernate.metamodel.mapping.internal.CaseStatementDiscriminatorMappingImpl$1.renderToSql(CaseStatementDiscriminatorMappingImpl.java:168)
    at org.hibernate.sql.ast.spi.AbstractSqlAstTranslator.visitSelfRenderingExpression(AbstractSqlAstTranslator.java:5072)
    at org.hibernate.sql.ast.tree.expression.SelfRenderingExpression.accept(SelfRenderingExpression.java:20)
    at org.hibernate.dialect.PostgreSQLSqlAstTranslator.renderExpressionAsClauseItem(PostgreSQLSqlAstTranslator.java:38)
    at org.hibernate.sql.ast.spi.AbstractSqlAstTranslator.renderSelectExpression(AbstractSqlAstTranslator.java:3616)
    at org.hibernate.sql.ast.spi.AbstractSqlAstTranslator.visitSqlSelectExpression(AbstractSqlAstTranslator.java:3585)
    at org.hibernate.sql.ast.spi.AbstractSqlAstTranslator.visitSqlSelection(AbstractSqlAstTranslator.java:3567)
    at org.hibernate.sql.ast.spi.AbstractSqlAstTranslator.visitSqlSelections(AbstractSqlAstTranslator.java:3217)
    at org.hibernate.sql.ast.spi.AbstractSqlAstTranslator.visitSelectClause(AbstractSqlAstTranslator.java:3135)
    at org.hibernate.sql.ast.spi.AbstractSqlAstTranslator.visitQuerySpec(AbstractSqlAstTranslator.java:1603)
    at org.hibernate.dialect.PostgreSQLSqlAstTranslator.visitQuerySpec(PostgreSQLSqlAstTranslator.java:103)
    at org.hibernate.sql.ast.tree.select.QuerySpec.accept(QuerySpec.java:129)
    at org.hibernate.sql.ast.spi.AbstractSqlAstTranslator.visitSelectStatement(AbstractSqlAstTranslator.java:837)
    at org.hibernate.sql.ast.spi.AbstractSqlAstTranslator.translateSelect(AbstractSqlAstTranslator.java:707)
    at org.hibernate.sql.ast.spi.AbstractSqlAstTranslator.translate(AbstractSqlAstTranslator.java:645)
    at org.hibernate.loader.ast.internal.CollectionLoaderSingleKey.load(CollectionLoaderSingleKey.java:112)
    at org.hibernate.persister.collection.AbstractCollectionPersister.initialize(AbstractCollectionPersister.java:789)
    at org.hibernate.event.internal.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:75)
    at org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:107)
    at org.hibernate.internal.SessionImpl.initializeCollection(SessionImpl.java:1710)
    at org.hibernate.collection.spi.AbstractPersistentCollection.lambda$initialize$3(AbstractPersistentCollection.java:617)
    at org.hibernate.collection.spi.AbstractPersistentCollection.withTemporarySessionIfNeeded(AbstractPersistentCollection.java:265)
    at org.hibernate.collection.spi.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:615)
    at org.hibernate.collection.spi.AbstractPersistentCollection.read(AbstractPersistentCollection.java:136)
    at org.hibernate.collection.spi.PersistentList.iterator(PersistentList.java:168)
    at java.base/java.util.Spliterators$IteratorSpliterator.estimateSize(Spliterators.java:1865)
    at java.base/java.util.Spliterator.getExactSizeIfKnown(Spliterator.java:414)
    at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:508)
    at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
    at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921)
    at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
    at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682)