HibernateExceptionTranslator avoids JPA IllegalState/ArgumentException translation

Issue: SPR-14681

Author: jhoeller

spring-orm-hibernate5/src/main/java/org/springframework/orm/hibernate5/HibernateExceptionTranslator.java

@@ -48,10 +48,13 @@ public DataAccessException translateExceptionIfPossible(RuntimeException ex) {
 		if (ex instanceof HibernateException) {
 			return convertHibernateAccessException((HibernateException) ex);
 		}
-		if (ex instanceof PersistenceException && ex.getCause() instanceof HibernateException) {
-			return convertHibernateAccessException((HibernateException) ex.getCause());
+		if (ex instanceof PersistenceException) {
+			if (ex.getCause() instanceof HibernateException) {
+				return convertHibernateAccessException((HibernateException) ex.getCause());
+			}
+			return EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(ex);
 		}
-		return EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(ex);
+		return null;
 	}
 
 	/**