Document doc = new Document();
doc.add(newTextField("field", "text", Field.Store.NO));
doc.add(new FacetField("a", "path"));
doc.add(new FacetField("a", "path2"));
try {
config.build(taxoWriter, doc);
fail("did not hit expected exception");
} catch (IllegalArgumentException iae) {
// expected
}
IOUtils.close(writer, taxoWriter, dir, taxoDir);