Merge pull request #45506 from yrodiere/i45503

Register JPA static metamodel classes for reflection
quarkusio · Jan 13, 2025 · 234fdd8 · 234fdd8
2 parents 18c4016 + dae62d2
commit 234fdd8
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/...-orm/deployment/src/main/java/io/quarkus/hibernate/orm/deployment/JpaJandexScavenger.java b/...-orm/deployment/src/main/java/io/quarkus/hibernate/orm/deployment/JpaJandexScavenger.java
@@ -108,6 +108,11 @@ public JpaModelBuildItem discoverModelAndRegisterForReflection() throws BuildExc
         managedClassNames.addAll(collector.modelTypes);
         for (String className : managedClassNames) {
             reflectiveClass.produce(ReflectiveClassBuildItem.builder(className).methods().fields().build());
+            // Register static metamodel classes as well, so that their `class_` attribute can be populated.
+            // See org.hibernate.metamodel.internal.MetadataContext.populateStaticMetamodel
+            // Note: registering classes that do not exist is not a problem -- and is necessary if the application
+            //       tries to access these classes via reflection anyway (which it will, through Hibernate ORM).
+            reflectiveClass.produce(ReflectiveClassBuildItem.builder(className + "_").fields().build());
         }
 
         if (!collector.enumTypes.isEmpty()) {