@Override
public void disintegrate(SessionFactoryImplementor sfi, SessionFactoryServiceRegistry sfsr) {
    try {
            Field descriptorsField = JavaTypeDescriptorRegistry.class.getDeclaredField("descriptorsByClass");
            descriptorsField.setAccessible(true);
            Map<Class, JavaTypeDescriptor<?>> descriptors = (Map<Class, JavaTypeDescriptor<?>>) descriptorsField.get(JavaTypeDescriptorRegistry.INSTANCE);
            List<Class> toRemove = new ArrayList<>();
            ClassLoader cl = this.getClass().getClassLoader();
            for (Class key : descriptors.keySet()) {
                if (key.getClassLoader() == cl) {
                    toRemove.add(key);
                }
            }
            for (Class key : toRemove) {
                descriptors.remove(key);
            }
    } catch (Exception e){}
}

@Override
public void disintegrate(SessionFactoryImplementor sfi, SessionFactoryServiceRegistry sfsr) {
    try {
            Field descriptorsField = SqlTypeDescriptorRegistry.class.getDeclaredField("descriptorMap");
            descriptorsField.setAccessible(true);
            Map<Integer,SqlTypeDescriptor> sqlDescriptors = (Map<Integer,SqlTypeDescriptor>) descriptorsField.get(SqlTypeDescriptorRegistry.INSTANCE);
            List<Integer> toRemoveSql = new ArrayList<>();
            for (Map.Entry<Integer,SqlTypeDescriptor> entry : sqlDescriptors.entrySet()) {
                if (entry.getValue().getClass().getClassLoader() == cl) {
                    toRemoveSql.add(entry.getKey());
                }
            }
            for (Integer key : toRemoveSql) {
                sqlDescriptors.remove(key);
            }
    } catch (Exception e){}
}