FullTextSession fts = Search
				.getFullTextSession(getSessionFactory().getCurrentSession());
				
			QueryBuilder qb = fts.getSearchFactory().buildQueryBuilder()
			.forEntity(Usor.class).get();
			
			return (Long) fts.createFullTextQuery(qb.bool().must(
					qb.keyword().onField("site.id").ignoreAnalyzer().matching(countrySite.getSite().getId()).createQuery()
				).must(				
					qb.keyword().onField("location.country.countryCode").ignoreAnalyzer().matching(countrySite.getCountry().getCountryCode()).createQuery()	
				)
				.must(				
					qb.keyword().onField("role.label").ignoreAnalyzer().matching(UserRole.ROLE_COUNTRYLEADER).createQuery()	
				).createQuery()
			)
			.setProjection("id")
			.setResultTransformer(new ProjectionFirstResultTransformer())
			.setCacheable(true)
			.setCacheRegion(CacheRegion.NEVERCHANGE)
			.uniqueResult();

nl.msw.compraventa.exceptions.SearchException: org.hibernate.search.SearchException: Unable to find field role.label in nl.msw.project.model.user.Usor
	at nl.msw.project.dao.hibernate.SearchFacetDaoHibernate.findUsersByFacet(SearchFacetDaoHibernate.java:702)
[...]
Caused by: org.hibernate.search.SearchException: Unable to find field role.label in nl.msw.project.model.user.Usor
	at org.hibernate.search.engine.spi.DocumentBuilderIndexedEntity.objectToString(DocumentBuilderIndexedEntity.java:681)
	at org.hibernate.search.query.dsl.impl.FieldContext.objectToString(FieldContext.java:86)
	at org.hibernate.search.query.dsl.impl.ConnectedMultiFieldsTermQueryBuilder.buildSearchTerm(ConnectedMultiFieldsTermQueryBuilder.java:146)
	at org.hibernate.search.query.dsl.impl.ConnectedMultiFieldsTermQueryBuilder.createQuery(ConnectedMultiFieldsTermQueryBuilder.java:100)
	at org.hibernate.search.query.dsl.impl.ConnectedMultiFieldsTermQueryBuilder.createQuery(ConnectedMultiFieldsTermQueryBuilder.java:81)

@Entity(name = "User2")
@Table(name = "User")
@org.hibernate.annotations.Table(appliesTo = "User", indexes={
	@org.hibernate.annotations.Index(name="passwd",columnNames={"email","password"})
})
@Indexed
@FullTextFilterDefs({
	@FullTextFilterDef(name="wallFilter",impl=HibernateWallFilterFactory.class)
})
@AnalyzerDef(name = "userAnalyzer", tokenizer = @TokenizerDef(factory = StandardTokenizerFactory.class), filters = {
	@TokenFilterDef(factory = StandardFilterFactory.class),
	@TokenFilterDef(factory = ASCIIFoldingFilterFactory.class), 
	@TokenFilterDef(factory = LowerCaseFilterFactory.class) 
})
@NaturalIdCache(region=CacheRegion.NATURAL)
@Cache(usage=CacheConcurrencyStrategy.READ_WRITE,region=CacheRegion.USER)
public class Usor{
	
	@ManyToMany(cascade=CascadeType.MERGE,fetch = FetchType.LAZY)
	@JoinTable(name = "User_UserRoles", joinColumns = @JoinColumn(nullable = false), inverseJoinColumns = @JoinColumn(nullable = false))
	@Fetch(FetchMode.SUBSELECT)
	@BatchSize(size=10)
	@Cache(usage=CacheConcurrencyStrategy.READ_WRITE,region=CacheRegion.USER)
	@IndexedEmbedded(prefix="role.")
	@JsonIgnore
	public Set<UserRole> getRoles() {
		return roles;
	}

@Entity
@Immutable
@Table(name="UserRole")
@NaturalIdCache(region=CacheRegion.NATURAL)
@Cache(usage=CacheConcurrencyStrategy.NONSTRICT_READ_WRITE,region=CacheRegion.USER)
public class UserRole implements Comparable<UserRole>, Serializable,GrantedAuthority, IEntity{

	@Column(length=30,nullable=false,unique=true,updatable=false)
	@NaturalId
	@Index(name="idxRoleLabel")
	@Field(index=org.hibernate.search.annotations.Index.YES,store=Store.YES,analyze=Analyze.NO)
	public String getLabel() {
		return label;
	}