Arne Theß ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=70121%3... ) *updated* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiOTQ4MTcyZTg2... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-15661?atlOrigin=eyJpIjoiOTQ4MT... ) HHH-15661 ( https://hibernate.atlassian.net/browse/HHH-15661?atlOrigin=eyJpIjoiOTQ4MT... ) ClassCastException in Select ( https://hibernate.atlassian.net/browse/HHH-15661?atlOrigin=eyJpIjoiOTQ4MT... ) Change By: Arne Theß ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=70121%3... ) We’re getting the following stack trace. {{Caused by: java.lang.ClassCastException: class org.hibernate.type.CustomType cannot be cast to class org.hibernate.metamodel.mapping.EntityValuedModelPart (org.hibernate.type.CustomType and org.hibernate.metamodel.mapping.EntityValuedModelPart are in unnamed module of loader org.apache.catalina.loader.ParallelWebappClassLoader @1162410a)}} {{ at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitTableGroup(BaseSqmToSqlAstConverter.java:3481)}} {{ at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitQualifiedAttributeJoin(BaseSqmToSqlAstConverter.java:3416)}} {{ at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitQualifiedAttributeJoin(BaseSqmToSqlAstConverter.java:416)}} {{ at org.hibernate.query.sqm.tree.domain.AbstractSqmAttributeJoin.accept(AbstractSqmAttributeJoin.java:131)}} {{ at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitWithInferredType(BaseSqmToSqlAstConverter.java:6182)}} {{ at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitIsNullPredicate(BaseSqmToSqlAstConverter.java:6686)}} {{ at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitIsNullPredicate(BaseSqmToSqlAstConverter.java:416)}} {{ at org.hibernate.query.sqm.tree.predicate.SqmNullnessPredicate.accept(SqmNullnessPredicate.java:53)}} {{ at org.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter.visitJunctionPredicate(BaseSqmToSqlAstConverter.java:6333)}} {{ 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)}} The select worked fine in 6.1.1, but since upgrading to 6.1.5, we’re getting the class cast exception instead. I’m not quite sure, why. Similar selects are still working fine. Therefore I also don’t know how to construct a helpful test case. ( https://hibernate.atlassian.net/browse/HHH-15661#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-15661#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:a51bb46 )