Emond Papegaaij ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *updated* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiZGExZjQwYTY3... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-15721?atlOrigin=eyJpIjoiZGExZj... ) HHH-15721 ( https://hibernate.atlassian.net/browse/HHH-15721?atlOrigin=eyJpIjoiZGExZj... ) Regression: NullPointerException in BaseSqmToSqlAstConverter.visitJunctionPredicate with combination of treats ( https://hibernate.atlassian.net/browse/HHH-15721?atlOrigin=eyJpIjoiZGExZj... ) Change By: Emond Papegaaij ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) While working on the upgrade to WildFly 27, we ran into the issue below. The case runs fine on Hibernate ORM 5.6.14 and 5.3.28 (on WildFly 26.1.2). A combination of a select of a treated root, a predicate on property on the treated root and a predicate on a property on a join via a the treated root confuses {{visitJunctionPredicate}}. It adds null to the {{conjunctTreatUsagesList}}, but because {{hasAnyTreatUsage}} is also set, it dereferences the elements in the list, triggering a {{NullPointerException}}. {noformat}java.lang.NullPointerException at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitJunctionPredicate(BaseSqmToSqlAstConverter.java:6375) at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitJunctionPredicate(BaseSqmToSqlAstConverter.java:416) at org.hibernate.query.sqm.tree.predicate.SqmJunctionPredicate.accept(SqmJunctionPredicate.java:74) at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitWhereClause(BaseSqmToSqlAstConverter.java:2252) at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitQuerySpec(BaseSqmToSqlAstConverter.java:1823) at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitQuerySpec(BaseSqmToSqlAstConverter.java:416) at org.hibernate.query.sqm.tree.select.SqmQuerySpec.accept(SqmQuerySpec.java:122) at org.hibernate.query.sqm.spi.BaseSemanticQueryWalker.visitQueryPart(BaseSemanticQueryWalker.java:213) at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitQueryPart(BaseSqmToSqlAstConverter.java:1679) at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitSelectStatement(BaseSqmToSqlAstConverter.java:1477) at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitSelectStatement(BaseSqmToSqlAstConverter.java:416) at org.hibernate.query.sqm.tree.select.SqmSelectStatement.accept(SqmSelectStatement.java:199) at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.translate(BaseSqmToSqlAstConverter.java:711) at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.buildCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:350) at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:270) at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:246) at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:546) at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:363) at org.hibernate.query.sqm.internal.QuerySqmImpl.list(QuerySqmImpl.java:1032) at org.hibernate.query.Query.getResultList(Query.java:94) at org.hibernate.bugs.JPAUnitTestCase. hhh15708Test hhh15721Test (JPAUnitTestCase.java:59){noformat} ( https://hibernate.atlassian.net/browse/HHH-15721#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-15721#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100210- sha1:28a3636 )