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BAEL-9495: QueryParameterException #18931

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Nov 12, 2025
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BAEL-9495: QueryParameterException #18931

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108 changes: 87 additions & 21 deletions ...enterprise/src/test/java/com/baeldung/hibernate/exception/HibernateExceptionUnitTest.java
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Original file line number Diff line number Diff line change
@@ -1,29 +1,17 @@
package com.baeldung.hibernate.exception;

import static org.hamcrest.CoreMatchers.isA;
import static org.junit.Assert.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;

import java.io.IOException;
import java.util.List;

import jakarta.persistence.OptimisticLockException;
import org.h2.jdbc.JdbcSQLDataException;
import org.h2.jdbc.JdbcSQLIntegrityConstraintViolationException;
import org.h2.jdbc.JdbcSQLSyntaxErrorException;
import org.hibernate.HibernateException;
import org.hibernate.MappingException;
import org.hibernate.NonUniqueObjectException;
import org.hibernate.PropertyValueException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.StaleObjectStateException;
import org.hibernate.StaleStateException;
import org.hibernate.Transaction;
import org.hibernate.*;
import org.hibernate.cfg.AvailableSettings;
import org.hibernate.cfg.Configuration;
import org.hibernate.id.IdentifierGenerationException;
import org.hibernate.query.NativeQuery;
import org.hibernate.query.Query;
import org.hibernate.query.SemanticException;
import org.hibernate.query.UnknownParameterException;
import org.hibernate.query.sqm.UnknownEntityException;
import org.hibernate.tool.schema.spi.CommandAcceptanceException;
import org.hibernate.tool.schema.spi.SchemaManagementException;
Expand All @@ -34,7 +22,12 @@
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jakarta.persistence.OptimisticLockException;
import java.io.IOException;
import java.util.List;

import static org.hamcrest.CoreMatchers.isA;
import static org.junit.Assert.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;

public class HibernateExceptionUnitTest {

Expand Down Expand Up @@ -89,7 +82,7 @@ public void whenQueryExecutedWithInvalidClassName_thenQuerySyntaxException() {

Session session = sessionFactory.openSession();
List<Product> results = session.createQuery("from PRODUCT", Product.class)
.getResultList();
.getResultList();
}

@Test
Expand Down Expand Up @@ -126,7 +119,7 @@ public void whenWrongDialectSpecified_thenCommandAcceptanceException() {
// This does not work due to hibernate bug
// cfg.setProperty(AvailableSettings.HBM2DDL_HALT_ON_ERROR,"true");
cfg.getProperties()
.put(AvailableSettings.HBM2DDL_HALT_ON_ERROR, true);
.put(AvailableSettings.HBM2DDL_HALT_ON_ERROR, true);

cfg.addAnnotatedClass(Product.class);
cfg.buildSessionFactory();
Expand Down Expand Up @@ -314,7 +307,7 @@ public void whenDeletingADeletedObject_thenOptimisticLockException() {
transaction = session.beginTransaction();
Product product2 = session.get(Product.class, 12);
session.createNativeQuery("delete from Product where id=12")
.executeUpdate();
.executeUpdate();
// We need to refresh to fix the error.
// session.refresh(product2);
session.delete(product2);
Expand Down Expand Up @@ -457,8 +450,81 @@ public void givenEnumParam_whenExecutingQuery_thenThrowSemanticException() {
public void givenEnumParam_whenSettingEnumParam_thenSemanticExceptionIsNotThrown() {
Session session = sessionFactory.openSession();
assertDoesNotThrow(() -> session.createQuery("FROM User u WHERE u.role = ?1", User.class)
.setParameter(1, Role.ADMIN));
.setParameter(1, Role.ADMIN));
session.close();
}

@Test
public void givenTooManyParameters_whenQueryExecuted_thenThrowQueryParameterException() {
thrown.expectCause(isA(UnknownParameterException.class));
thrown.expectMessage("Could not locate ordinal parameter [2]");

Session session = null;
Transaction transaction = null;

try {
session = sessionFactory.openSession();
transaction = session.beginTransaction();

String hql = "FROM Product p WHERE p.name = ?1";
Query<Product> query = session.createQuery(hql, Product.class);
query.setParameter(1, "Book"); // valid
query.setParameter(2, "Extra"); // invalid — no ?2 declared

query.getResultList();
transaction.commit();
} catch (Exception e) {
rollbackTransactionQuietly(transaction);
throw e;
} finally {
closeSessionQuietly(session);
}
}

@Test
public void givenCorrectParameterCount_whenQueryExecuted_thenNoException() {
Session session = null;
Transaction transaction = null;

try {
session = sessionFactory.openSession();
transaction = session.beginTransaction();

String hql = "FROM Product p WHERE p.name = ?1";
Query<Product> query = session.createQuery(hql, Product.class);
query.setParameter(1, "Book"); // matches ?1

assertDoesNotThrow(query::getResultList);
transaction.commit();
} catch (Exception e) {
rollbackTransactionQuietly(transaction);
throw e;
} finally {
closeSessionQuietly(session);
}
}

@Test
public void givenNamedParameter_whenQueryExecuted_thenNoException() {
Session session = null;
Transaction transaction = null;

try {
session = sessionFactory.openSession();
transaction = session.beginTransaction();

String hql = "FROM Product p WHERE p.name = :name";
Query<Product> query = session.createQuery(hql, Product.class);
query.setParameter("name", "Book"); // named parameter instead of ?1

assertDoesNotThrow(query::getResultList);
transaction.commit();
} catch (Exception e) {
rollbackTransactionQuietly(transaction);
throw e;
} finally {
closeSessionQuietly(session);
}
}

}