hibernate · loiclefevre · Sep 10, 2025
diff --git a/...-agroal/src/test/java/org/hibernate/test/agroal/AgroalTransactionIsolationConfigTest.java b/...-agroal/src/test/java/org/hibernate/test/agroal/AgroalTransactionIsolationConfigTest.java
@@ -8,8 +8,8 @@
 import org.hibernate.community.dialect.TiDBDialect;
 import org.hibernate.community.dialect.GaussDBDialect;
 import org.hibernate.engine.jdbc.connections.spi.ConnectionProvider;
-import org.hibernate.agroal.internal.AgroalConnectionProvider;
 
+import org.hibernate.test.agroal.util.GradleParallelTestingAgroalConnectionProvider;
 import org.hibernate.testing.SkipForDialect;
 import org.hibernate.testing.common.connections.BaseTransactionIsolationConfigTest;
 
@@ -22,6 +22,6 @@
 public class AgroalTransactionIsolationConfigTest extends BaseTransactionIsolationConfigTest {
 	@Override
 	protected ConnectionProvider getConnectionProviderUnderTest() {
-		return new AgroalConnectionProvider();
+		return new GradleParallelTestingAgroalConnectionProvider();
 	}
 }
diff --git a/...st/java/org/hibernate/test/agroal/util/GradleParallelTestingAgroalConnectionProvider.java b/...st/java/org/hibernate/test/agroal/util/GradleParallelTestingAgroalConnectionProvider.java
@@ -0,0 +1,23 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.test.agroal.util;
+
+import org.hibernate.HibernateException;
+import org.hibernate.agroal.internal.AgroalConnectionProvider;
+
+import java.util.Map;
+
+import static org.hibernate.testing.jdbc.GradleParallelTestingUsernameResolver.resolveFromSettings;
+
+/**
+ * @author Loïc Lefèvre
+ */
+public class GradleParallelTestingAgroalConnectionProvider extends AgroalConnectionProvider {
+	@Override
+	public void configure(Map<String, Object> properties) throws HibernateException {
+		resolveFromSettings( properties );
+		super.configure( properties );
+	}
+}
diff --git a/.../src/test/java/org/hibernate/test/agroal/util/PreparedStatementSpyConnectionProvider.java b/.../src/test/java/org/hibernate/test/agroal/util/PreparedStatementSpyConnectionProvider.java
@@ -10,7 +10,6 @@
 import java.util.ArrayList;
 import java.util.List;
 
-import org.hibernate.agroal.internal.AgroalConnectionProvider;
 import org.hibernate.engine.jdbc.connections.spi.ConnectionProvider;
 
 import org.hibernate.testing.jdbc.JdbcSpies;
@@ -21,7 +20,7 @@
  *
  * @author Vlad Mihalcea
  */
-public class PreparedStatementSpyConnectionProvider extends AgroalConnectionProvider {
+public class PreparedStatementSpyConnectionProvider extends GradleParallelTestingAgroalConnectionProvider {
 	public final JdbcSpies.SpyContext spyContext = new JdbcSpies.SpyContext();
 
 	private final List<Connection> acquiredConnections = new ArrayList<>( );

diff --git a/hibernate-agroal/src/test/resources/hibernate.properties b/hibernate-agroal/src/test/resources/hibernate.properties
@@ -10,7 +10,7 @@ hibernate.connection.password @jdbc.pass@
 hibernate.connection.init_sql @connection.init_sql@
 
 hibernate.jdbc.batch_size 10
-hibernate.connection.provider_class AgroalConnectionProvider
+hibernate.connection.provider_class org.hibernate.test.agroal.util.GradleParallelTestingAgroalConnectionProvider
 
 hibernate.agroal.maxSize 2
 hibernate.agroal.acquisitionTimeout PT1s

diff --git a/hibernate-c3p0/src/test/java/org/hibernate/test/c3p0/C3p0TransactionIsolationConfigTest.java b/hibernate-c3p0/src/test/java/org/hibernate/test/c3p0/C3p0TransactionIsolationConfigTest.java
@@ -14,6 +14,7 @@
 import org.hibernate.engine.jdbc.connections.spi.ConnectionProvider;
 import org.hibernate.service.spi.ServiceRegistryImplementor;
 
+import org.hibernate.test.c3p0.util.GradleParallelTestingC3P0ConnectionProvider;
 import org.hibernate.testing.SkipForDialect;
 import org.hibernate.testing.common.connections.BaseTransactionIsolationConfigTest;
 import org.junit.Before;
@@ -35,7 +36,7 @@ public void setUp() {
 
 	@Override
 	protected ConnectionProvider getConnectionProviderUnderTest() {
-		C3P0ConnectionProvider provider = new C3P0ConnectionProvider();
+		C3P0ConnectionProvider provider = new GradleParallelTestingC3P0ConnectionProvider();
 		provider.injectServices( (ServiceRegistryImplementor) ssr );
 		return provider;
 	}

diff --git a/...rnate-c3p0/src/test/java/org/hibernate/test/c3p0/OracleSQLCallableStatementProxyTest.java b/...rnate-c3p0/src/test/java/org/hibernate/test/c3p0/OracleSQLCallableStatementProxyTest.java
@@ -17,10 +17,10 @@
 import jakarta.persistence.SqlResultSetMappings;
 import jakarta.persistence.StoredProcedureParameter;
 
-import org.hibernate.c3p0.internal.C3P0ConnectionProvider;
 import org.hibernate.cfg.Configuration;
 import org.hibernate.dialect.OracleDialect;
 
+import org.hibernate.test.c3p0.util.GradleParallelTestingC3P0ConnectionProvider;
 import org.hibernate.testing.RequiresDialect;
 import org.hibernate.testing.orm.junit.JiraKey;
 import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
@@ -41,7 +41,7 @@ public class OracleSQLCallableStatementProxyTest extends
 	protected void configure(Configuration configuration) {
 		configuration.setProperty(
 				org.hibernate.cfg.AvailableSettings.CONNECTION_PROVIDER,
-				C3P0ConnectionProvider.class
+				GradleParallelTestingC3P0ConnectionProvider.class
 		);
 	}
 

diff --git a/...c/test/java/org/hibernate/test/c3p0/util/GradleParallelTestingC3P0ConnectionProvider.java b/...c/test/java/org/hibernate/test/c3p0/util/GradleParallelTestingC3P0ConnectionProvider.java
@@ -0,0 +1,23 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.test.c3p0.util;
+
+import org.hibernate.HibernateException;
+import org.hibernate.c3p0.internal.C3P0ConnectionProvider;
+
+import java.util.Map;
+
+import static org.hibernate.testing.jdbc.GradleParallelTestingUsernameResolver.resolveFromSettings;
+
+/**
+ * @author Loïc Lefèvre
+ */
+public class GradleParallelTestingC3P0ConnectionProvider extends C3P0ConnectionProvider {
+	@Override
+	public void configure(Map<String, Object> properties) throws HibernateException {
+		resolveFromSettings( properties );
+		super.configure( properties );
+	}
+}
diff --git a/hibernate-c3p0/src/test/resources/hibernate.properties b/hibernate-c3p0/src/test/resources/hibernate.properties
@@ -21,7 +21,7 @@ hibernate.c3p0.testConnectionOnCheckout true
 hibernate.show_sql false
 
 hibernate.max_fetch_depth 5
-hibernate.connection.provider_class C3P0ConnectionProvider
+hibernate.connection.provider_class org.hibernate.test.c3p0.util.GradleParallelTestingC3P0ConnectionProvider
 
 hibernate.cache.region_prefix hibernate.test
 hibernate.cache.region.factory_class org.hibernate.testing.cache.CachingRegionFactory
diff --git a/hibernate-core/hibernate-core.gradle b/hibernate-core/hibernate-core.gradle
@@ -266,6 +266,12 @@ tasks.withType( Test.class ).each { test ->
         // Parallel test runs when running with in-memory databases
         test.maxParallelForks = Runtime.runtime.availableProcessors().intdiv( 2 ) ?: 1
     }
+    else if ( project.db == "oracle_test_pilot_database" ) {
+        // Parallel test runs when running with Oracle Test Pilot databases
+        // see GradleParallelTestingUsernameResolver
+        test.maxParallelForks = Runtime.runtime.availableProcessors() ?: 1
+        test.systemProperty 'maxParallelForks', test.maxParallelForks
+    }
 }
 
 tasks.named( "javadoc", Javadoc ) {

diff --git a/...t/bundles/templates/cfgxmlpar/org/hibernate/orm/test/jpa/pack/cfgxmlpar/hibernate.cfg.xml b/...t/bundles/templates/cfgxmlpar/org/hibernate/orm/test/jpa/pack/cfgxmlpar/hibernate.cfg.xml
@@ -10,6 +10,7 @@
     <session-factory>
         <property name="hibernate.dialect">@db.dialect@</property>
         <property name="hibernate.connection.driver_class">@jdbc.driver@</property>
+        <property name="hibernate.connection.creator_factory_class">org.hibernate.testing.jdbc.GradleParallelTestingConnectionCreatorFactoryImpl</property>
         <property name="hibernate.connection.username">@jdbc.user@</property>
         <property name="hibernate.connection.password">@jdbc.pass@</property>
         <property name="hibernate.connection.init_sql">@connection.init_sql@</property>
@@ -30,4 +31,4 @@
         <collection-cache collection="org.hibernate.orm.test.jpa.Item.distributors" usage="read-write" region="RegionName"/>
         <event type="pre-insert"/>
     </session-factory>
-</hibernate-configuration>
+</hibernate-configuration>
diff --git a/hibernate-core/src/test/bundles/templates/defaultpar/META-INF/persistence.xml b/hibernate-core/src/test/bundles/templates/defaultpar/META-INF/persistence.xml
@@ -15,6 +15,7 @@
         <properties>
             <property name="hibernate.dialect" value="@db.dialect@"/>
             <property name="hibernate.connection.driver_class" value="@jdbc.driver@"/>
+            <property name="hibernate.connection.creator_factory_class" value="org.hibernate.testing.jdbc.GradleParallelTestingConnectionCreatorFactoryImpl" />
             <property name="hibernate.connection.username" value="@jdbc.user@"/>
             <property name="hibernate.connection.password" value="@jdbc.pass@"/>
             <property name="hibernate.connection.url" value="@jdbc.url@"/>

diff --git a/hibernate-core/src/test/bundles/templates/defaultpar_1_0/META-INF/persistence.xml b/hibernate-core/src/test/bundles/templates/defaultpar_1_0/META-INF/persistence.xml
@@ -14,6 +14,7 @@
         <properties>
             <property name="hibernate.dialect" value="@db.dialect@"/>
             <property name="hibernate.connection.driver_class" value="@jdbc.driver@"/>
+            <property name="hibernate.connection.creator_factory_class" value="org.hibernate.testing.jdbc.GradleParallelTestingConnectionCreatorFactoryImpl" />
             <property name="hibernate.connection.username" value="@jdbc.user@"/>
             <property name="hibernate.connection.password" value="@jdbc.pass@"/>
             <property name="hibernate.connection.url" value="@jdbc.url@"/>

diff --git a/hibernate-core/src/test/bundles/templates/excludehbmpar/META-INF/persistence.xml b/hibernate-core/src/test/bundles/templates/excludehbmpar/META-INF/persistence.xml
@@ -14,6 +14,7 @@
         <properties>
             <property name="hibernate.dialect" value="@db.dialect@"/>
             <property name="hibernate.connection.driver_class" value="@jdbc.driver@"/>
+            <property name="hibernate.connection.creator_factory_class" value="org.hibernate.testing.jdbc.GradleParallelTestingConnectionCreatorFactoryImpl" />
             <property name="hibernate.connection.username" value="@jdbc.user@"/>
             <property name="hibernate.connection.password" value="@jdbc.pass@"/>
             <property name="hibernate.connection.url" value="@jdbc.url@"/>

diff --git a/hibernate-core/src/test/bundles/templates/explicitpar/META-INF/persistence.xml b/hibernate-core/src/test/bundles/templates/explicitpar/META-INF/persistence.xml
@@ -20,6 +20,7 @@
 
             <property name="hibernate.dialect" value="@db.dialect@"/>
             <property name="hibernate.connection.driver_class" value="@jdbc.driver@"/>
+            <property name="hibernate.connection.creator_factory_class" value="org.hibernate.testing.jdbc.GradleParallelTestingConnectionCreatorFactoryImpl" />
             <property name="hibernate.connection.username" value="@jdbc.user@"/>
             <property name="hibernate.connection.password" value="@jdbc.pass@"/>
             <property name="hibernate.connection.url" value="@jdbc.url@"/>

diff --git a/hibernate-core/src/test/bundles/templates/explicitpar2/META-INF/persistence.xml b/hibernate-core/src/test/bundles/templates/explicitpar2/META-INF/persistence.xml
@@ -20,6 +20,7 @@
         <properties>
             <property name="hibernate.dialect" value="@db.dialect@"/>
             <property name="hibernate.connection.driver_class" value="@jdbc.driver@"/>
+            <property name="hibernate.connection.creator_factory_class" value="org.hibernate.testing.jdbc.GradleParallelTestingConnectionCreatorFactoryImpl" />
             <property name="hibernate.connection.username" value="@jdbc.user@"/>
             <property name="hibernate.connection.password" value="@jdbc.pass@"/>
             <property name="hibernate.connection.url" value="@jdbc.url@"/>

diff --git a/hibernate-core/src/test/bundles/templates/explodedpar/META-INF/persistence.xml b/hibernate-core/src/test/bundles/templates/explodedpar/META-INF/persistence.xml
@@ -13,6 +13,7 @@
         <properties>
             <property name="hibernate.dialect" value="@db.dialect@"/>
             <property name="hibernate.connection.driver_class" value="@jdbc.driver@"/>
+            <property name="hibernate.connection.creator_factory_class" value="org.hibernate.testing.jdbc.GradleParallelTestingConnectionCreatorFactoryImpl" />
             <property name="hibernate.connection.username" value="@jdbc.user@"/>
             <property name="hibernate.connection.password" value="@jdbc.pass@"/>
             <property name="hibernate.connection.url" value="@jdbc.url@"/>

diff --git a/hibernate-core/src/test/bundles/templates/overridenpar/overridenpar.properties b/hibernate-core/src/test/bundles/templates/overridenpar/overridenpar.properties
@@ -3,7 +3,8 @@
 # Copyright Red Hat Inc. and Hibernate Authors
 #
 hibernate.connection.driver_class @jdbc.driver@
+hibernate.connection.creator_factory_class org.hibernate.testing.jdbc.GradleParallelTestingConnectionCreatorFactoryImpl
 hibernate.connection.url @jdbc.url@
 hibernate.connection.username @jdbc.user@
 hibernate.connection.password @jdbc.pass@
-hibernate.connection.init_sql @connection.init_sql@
+hibernate.connection.init_sql @connection.init_sql@
diff --git a/hibernate-core/src/test/bundles/templates/space par/META-INF/persistence.xml b/hibernate-core/src/test/bundles/templates/space par/META-INF/persistence.xml
@@ -13,6 +13,7 @@
         <properties>
             <property name="hibernate.dialect" value="@db.dialect@"/>
             <property name="hibernate.connection.driver_class" value="@jdbc.driver@"/>
+            <property name="hibernate.connection.creator_factory_class" value="org.hibernate.testing.jdbc.GradleParallelTestingConnectionCreatorFactoryImpl" />
             <property name="hibernate.connection.username" value="@jdbc.user@"/>
             <property name="hibernate.connection.password" value="@jdbc.pass@"/>
             <property name="hibernate.connection.url" value="@jdbc.url@"/>

diff --git a/hibernate-core/src/test/bundles/templates/war/WEB-INF/classes/META-INF/persistence.xml b/hibernate-core/src/test/bundles/templates/war/WEB-INF/classes/META-INF/persistence.xml
@@ -14,6 +14,7 @@
         <properties>
             <property name="hibernate.dialect" value="@db.dialect@"/>
             <property name="hibernate.connection.driver_class" value="@jdbc.driver@"/>
+            <property name="hibernate.connection.creator_factory_class" value="org.hibernate.testing.jdbc.GradleParallelTestingConnectionCreatorFactoryImpl" />
             <property name="hibernate.connection.username" value="@jdbc.user@"/>
             <property name="hibernate.connection.password" value="@jdbc.pass@"/>
             <property name="hibernate.connection.url" value="@jdbc.url@"/>

diff --git a/hibernate-core/src/test/java/org/hibernate/orm/test/datasource/DataSourceTest.java b/hibernate-core/src/test/java/org/hibernate/orm/test/datasource/DataSourceTest.java
@@ -36,7 +36,7 @@ void test(EntityManagerFactoryScope scope) {
 		scope.getEntityManagerFactory();
 		LogInspectionHelper.clearAllListeners( ConnectionInfoLogger.INSTANCE );
 		Dialect dialect = scope.getDialect();
-		assertTrue( dialect instanceof OracleDialect od && od.isAutonomous()
+		assertTrue( dialect instanceof OracleDialect
 					|| dialect instanceof DB2Dialect
 					|| dialect instanceof InformixDialect // Informix metadata does not include the URL
 					|| listener.seen );

diff --git a/...nate-core/src/test/java/org/hibernate/orm/test/jpa/jakarta/JakartaSchemaToolingTests.java b/...nate-core/src/test/java/org/hibernate/orm/test/jpa/jakarta/JakartaSchemaToolingTests.java
@@ -37,6 +37,7 @@
 import static org.hibernate.cfg.AvailableSettings.JPA_JDBC_PASSWORD;
 import static org.hibernate.cfg.AvailableSettings.JPA_JDBC_URL;
 import static org.hibernate.cfg.AvailableSettings.JPA_JDBC_USER;
+import static org.hibernate.testing.jdbc.GradleParallelTestingUsernameResolver.*;
 
 
 /**
@@ -66,7 +67,7 @@ private void verifySchemaCreation(
 				actionSettingName, Action.CREATE_DROP,
 				driverSettingName, Environment.getProperties().get( AvailableSettings.DRIVER ),
 				urlSettingName, Environment.getProperties().get( AvailableSettings.URL ),
-				userSettingName, Environment.getProperties().get( AvailableSettings.USER ),
+				userSettingName, resolveUsername( (String)Environment.getProperties().get( AvailableSettings.USER ) ),
 				passwordSettingName, Environment.getProperties().get( AvailableSettings.PASS )
 		);
 		try {
@@ -95,7 +96,7 @@ public void testPrecedence() {
 				JPA_JDBC_DRIVER, "does.not.exist",
 				JAKARTA_JDBC_URL, Environment.getProperties().get( AvailableSettings.URL ),
 				JPA_JDBC_URL, "jdbc:na:nowhere",
-				JAKARTA_JDBC_USER, Environment.getProperties().get( AvailableSettings.USER ),
+				JAKARTA_JDBC_USER, resolveUsername( (String)Environment.getProperties().get( AvailableSettings.USER ) ),
 				JPA_JDBC_USER, "goofy",
 				JAKARTA_JDBC_PASSWORD, Environment.getProperties().get( AvailableSettings.PASS ),
 				JPA_JDBC_PASSWORD, "goober"
@@ -112,7 +113,7 @@ public void testCreateDropWithFailureInBetween() {
 				JAKARTA_HBM2DDL_DATABASE_ACTION, Action.CREATE_DROP,
 				JAKARTA_JDBC_DRIVER, Environment.getProperties().get( AvailableSettings.DRIVER ),
 				JAKARTA_JDBC_URL, Environment.getProperties().get( AvailableSettings.URL ),
-				JAKARTA_JDBC_USER, Environment.getProperties().get( AvailableSettings.USER ),
+				JAKARTA_JDBC_USER, resolveUsername( (String)Environment.getProperties().get( AvailableSettings.USER ) ),
 				JAKARTA_JDBC_PASSWORD, Environment.getProperties().get( AvailableSettings.PASS ),
 				// Simulates a failure from e.g. the Hibernate Search observer
 				AvailableSettings.SESSION_FACTORY_OBSERVER, new SessionFactoryObserver() {
@@ -129,7 +130,7 @@ public void sessionFactoryCreated(org.hibernate.SessionFactory factory) {
 				JAKARTA_HBM2DDL_DATABASE_ACTION, Action.NONE,
 				JAKARTA_JDBC_DRIVER, Environment.getProperties().get( AvailableSettings.DRIVER ),
 				JAKARTA_JDBC_URL, Environment.getProperties().get( AvailableSettings.URL ),
-				JAKARTA_JDBC_USER, Environment.getProperties().get( AvailableSettings.USER ),
+				JAKARTA_JDBC_USER, resolveUsername( (String)Environment.getProperties().get( AvailableSettings.USER ) ),
 				JAKARTA_JDBC_PASSWORD, Environment.getProperties().get( AvailableSettings.PASS )
 		) ) {
 			assertThatThrownBy( () -> tryQuery( sessionFactory ) ).isNotNull();

diff --git a/hibernate-core/src/test/java/org/hibernate/orm/test/util/connections/BaseDataSource.java b/hibernate-core/src/test/java/org/hibernate/orm/test/util/connections/BaseDataSource.java
@@ -14,6 +14,8 @@
 
 import org.hibernate.cfg.Environment;
 
+import static org.hibernate.testing.jdbc.GradleParallelTestingUsernameResolver.*;
+
 /**
  * Simple {@link DataSource} implementation useful in various integration tests,
  * or possibly to be used as base class to extend.
@@ -26,6 +28,7 @@ public class BaseDataSource implements DataSource {
 	public BaseDataSource(Properties configuration) {
 		url = configuration.getProperty( Environment.URL );
 		connectionProperties = new Properties();
+		resolveFromSettings( configuration );
 		connectionProperties.put( "user", configuration.getProperty( Environment.USER ) );
 		connectionProperties.put( "password", configuration.getProperty( Environment.PASS ) );
 	}

diff --git a/hibernate-core/src/test/resources/hibernate.properties b/hibernate-core/src/test/resources/hibernate.properties
@@ -5,6 +5,7 @@
 
 hibernate.dialect @db.dialect@
 hibernate.connection.driver_class @jdbc.driver@
+hibernate.connection.creator_factory_class org.hibernate.testing.jdbc.GradleParallelTestingConnectionCreatorFactoryImpl
 hibernate.connection.url @jdbc.url@
 hibernate.connection.username @jdbc.user@
 hibernate.connection.password @jdbc.pass@
@@ -28,4 +29,4 @@ hibernate.service.allow_crawling=false
 hibernate.session.events.log=true
 hibernate.query.mutation_strategy.global_temporary.drop_tables=true
 
-#hibernate.transform_hbm_xml.enabled=true
+#hibernate.transform_hbm_xml.enabled=true
diff --git a/hibernate-core/src/test/resources/xml/jakarta/simple/persistence.xml b/hibernate-core/src/test/resources/xml/jakarta/simple/persistence.xml
@@ -12,6 +12,7 @@
         <properties>
             <property name="hibernate.dialect" value="@db.dialect@"/>
             <property name="hibernate.connection.driver_class" value="@jdbc.driver@"/>
+            <property name="hibernate.connection.creator_factory_class" value="org.hibernate.testing.jdbc.GradleParallelTestingConnectionCreatorFactoryImpl" />
             <property name="hibernate.connection.username" value="@jdbc.user@"/>
             <property name="hibernate.connection.password" value="@jdbc.pass@"/>
             <property name="hibernate.connection.url" value="@jdbc.url@"/>

diff --git a/hibernate-envers/hibernate-envers.gradle b/hibernate-envers/hibernate-envers.gradle
@@ -59,6 +59,12 @@ tasks.withType( Test.class ).each { test ->
         // Parallel test runs when running with in-memory databases
         test.maxParallelForks = Runtime.runtime.availableProcessors().intdiv( 2 ) ?: 1
     }
+    else if ( project.db == "oracle_test_pilot_database" ) {
+        // Parallel test runs when running with Oracle Test Pilot databases
+        // see GradleParallelTestingUsernameResolver
+        test.maxParallelForks = Runtime.runtime.availableProcessors() ?: 1
+        test.systemProperty 'maxParallelForks', test.maxParallelForks
+    }
 }
 
 sourcesJar {

diff --git a/hibernate-envers/src/test/resources/hibernate.properties b/hibernate-envers/src/test/resources/hibernate.properties
@@ -4,6 +4,7 @@
 #
 hibernate.dialect @db.dialect@
 hibernate.connection.driver_class @jdbc.driver@
+hibernate.connection.creator_factory_class org.hibernate.testing.jdbc.GradleParallelTestingConnectionCreatorFactoryImpl
 hibernate.connection.url @jdbc.url@
 hibernate.connection.username @jdbc.user@
 hibernate.connection.password @jdbc.pass@
@@ -22,4 +23,4 @@ hibernate.cache.region.factory_class org.hibernate.testing.cache.CachingRegionFa
 
 hibernate.service.allow_crawling=false
 ## make sure we use bag semantics for "implicit" List mappings
-hibernate.mapping.default_list_semantics=bag
+hibernate.mapping.default_list_semantics=bag
diff --git a/...aricp/src/test/java/org/hibernate/test/hikaricp/HikariTransactionIsolationConfigTest.java b/...aricp/src/test/java/org/hibernate/test/hikaricp/HikariTransactionIsolationConfigTest.java
@@ -9,8 +9,8 @@
 import org.hibernate.dialect.SybaseDialect;
 import org.hibernate.community.dialect.TiDBDialect;
 import org.hibernate.engine.jdbc.connections.spi.ConnectionProvider;
-import org.hibernate.hikaricp.internal.HikariCPConnectionProvider;
 
+import org.hibernate.test.hikaricp.util.GradleParallelTestingHikariCPConnectionProvider;
 import org.hibernate.testing.SkipForDialect;
 import org.hibernate.testing.common.connections.BaseTransactionIsolationConfigTest;
 
@@ -24,6 +24,6 @@
 public class HikariTransactionIsolationConfigTest extends BaseTransactionIsolationConfigTest {
 	@Override
 	protected ConnectionProvider getConnectionProviderUnderTest() {
-		return new HikariCPConnectionProvider();
+		return new GradleParallelTestingHikariCPConnectionProvider();
 	}
 }