@ManyToMany(fetch = FetchType.LAZY)
    @JoinTable(name = "phrase_tag",
            joinColumns = @JoinColumn(name = "phrase_id", referencedColumnName = "id"),
            inverseJoinColumns = @JoinColumn(name = "tag_id", referencedColumnName = "id"))
    @IndexedEmbedded(includeEmbeddedObjectId = false)
    public Set<Tag> getTags() {
        return tags;
    }

    @Transient
    @Facet(forField = "iid")
    @Field(name = "iid", index = Index.YES, analyze = Analyze.NO)
    public Long getIndexingId(){
        return getId();
    }

 
org.hibernate.search.exception.impl.LogErrorHandler - HSEARCH000058: HSEARCH000183: Unable to index instance of type com.phrask.model.phrase.Phrase while batch indexing: id=33, hashCode=33
java.lang.IllegalArgumentException: DocValuesField "tags.iid" appears more than once in this document (only one value is allowed per field)
	at org.apache.lucene.index.NumericDocValuesWriter.addValue(NumericDocValuesWriter.java:54)
	at org.apache.lucene.index.DefaultIndexingChain.indexDocValue(DefaultIndexingChain.java:438)
	at org.apache.lucene.index.DefaultIndexingChain.processField(DefaultIndexingChain.java:392)
	at org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:318)
	at org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:241)
	at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:465)
	at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1526)
	at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1252)
	at org.hibernate.search.backend.impl.lucene.works.AddWorkExecutor.performWork(AddWorkExecutor.java:54)
	at org.hibernate.search.backend.impl.lucene.LuceneBackendTaskStreamer.doWork(LuceneBackendTaskStreamer.java:53)
	at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueProcessor.applyStreamWork(LuceneBackendQueueProcessor.java:76)
	at org.hibernate.search.indexes.spi.DirectoryBasedIndexManager.performStreamOperation(DirectoryBasedIndexManager.java:107)
	at org.hibernate.search.backend.impl.StreamingOperationExecutorSelector$AddSelectionExecutor.performStreamOperation(StreamingOperationExecutorSelector.java:106)
	at org.hibernate.search.backend.impl.batch.DefaultBatchBackend.sendWorkToShards(DefaultBatchBackend.java:62)
	at org.hibernate.search.backend.impl.batch.DefaultBatchBackend.enqueueAsyncWork(DefaultBatchBackend.java:48)
	at org.hibernate.search.batchindexing.impl.IdentifierConsumerDocumentProducer.index(IdentifierConsumerDocumentProducer.java:263)
	at org.hibernate.search.batchindexing.impl.IdentifierConsumerDocumentProducer.indexAllQueue(IdentifierConsumerDocumentProducer.java:192)
	at org.hibernate.search.batchindexing.impl.IdentifierConsumerDocumentProducer.loadList(IdentifierConsumerDocumentProducer.java:169)
	at org.hibernate.search.batchindexing.impl.IdentifierConsumerDocumentProducer.loadAllFromQueue(IdentifierConsumerDocumentProducer.java:135)
	at org.hibernate.search.batchindexing.impl.IdentifierConsumerDocumentProducer.run(IdentifierConsumerDocumentProducer.java:108)
	at org.hibernate.search.batchindexing.impl.OptionallyWrapInJTATransaction.runWithErrorHandler(OptionallyWrapInJTATransaction.java:104)
	at org.hibernate.search.batchindexing.impl.ErrorHandledRunnable.run(ErrorHandledRunnable.java:32)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)