Hi,
We are experiencing a weird issue which prevents us and our users from using the suggest feature from elasticsearch.
When I try to obtain suggestions for the text "obligation de" using the following query
{
"index": "arrets52",
"type": "arret",
"body": {
"suggest": {
"text": " obligation de",
"simple_phrase": {
"phrase": {
"field": "contenu_html.trigram",
"size": 1,
"gram_size": 3,
"max_errors": 2,
"confidence": 2.5,
"direct_generator": [
{
"field": "contenu_html.trigram",
"suggest_mode": "always"
},
{
"field": "contenu_html.reverse",
"suggest_mode": "always",
"pre_filter": "reverse",
"post_filter": "reverse"
},
{
"field": "contenu_html.nostem_with_accents",
"suggest_mode": "missing"
}
],
"collate": {
"query": {
"params": {},
"inline": "{\"bool\":{\"must\":[{\"multi_match\":{\"query\":\"{{suggestion}}\",\"analyzer\":\"query_analyzer\",\"type\":\"cross_fields\",\"fields\":[\"doc_id^2\",\"search_title^0.1\",\"formation^2\",\"arrets_dec_att^1\",\"president^1\",\"avocat_gl^1\",\"avocats^1\",\"rapporteur^1\",\"commissaire_gvt^1\",\"keywords^2\",\"liens^2\",\"numero^4\",\"numero_affaire^4\",\"other_numbers^4\",\"solution^2\",\"nature^2\",\"ville^2\",\"siege_appel^2\",\"juri_prem^2\",\"lieu_prem^2\",\"ecli^2\",\"reference_url^2\",\"wikipedia^100\",\"ancien_id^2\",\"type_rec^2\",\"nor^2\",\"nature_qualifiee^2\",\"loi_def^2\",\"titre_jo^2\",\"loi_def_nor^2\",\"loi_def_num^2\",\"saisines^2\",\"observations^2\",\"publi_bull_ref^4\",\"ref_numeros_affaires^2\",\"organisations^2\",\"issue^2\",\"resolution_number^2\",\"doctype_branch^2\",\"legifrance_ref^2\",\"reference_citation^2\",\"inpi_ref^2\",\"inpi_marq^0.1\",\"inpi_prod^2\",\"inpi_ti^2\",\"inpi_obj^2\",\"inpi_cib^2\",\"inpi_ct^2\",\"demandeurs_names^0.1\",\"defendeurs_names^0.1\",\"dem_ou_def_names^0.1\",\"lawyer_ids^2\",\"enterprise_ids^2\",\"comment_titles^1\",\"citation_titles^0.1\",\"saisines_html^2\",\"observations_html^2\",\"sommaire_ana^2\",\"contenu_html^1\",\"moyens_annexes^1\",\"comment_contents^0.5\",\"citation_contents^0.05\"],\"operator\":\"and\"}}]}}"
},
"prune": true
}
}
}
}
}
}
The following exception constantly occurs:
Error: [illegal_argument_exception] Fractional absolute document frequencies are not allowed
It does not happen with some queries , animak for instance correctly suggests animal
I checked the documentation and the only mentions of a parameter which cannot be fractional are min_doc_freq and max_term_freq (according to https://www.elastic.co/guide/en/elasticsearch/reference/5.2/search-suggesters-term.html)
However I am not using these parameters.
Am i missing something ?