I'm trying to combine a synonym token filter and a decompound word token filter.
To create the index, I used something similar to the following.
PUT /test_index
{
"settings": {
"index": {
"analysis": {
"filter": {
"synonym": {
"type": "synonym",
"synonyms": [
"militärgeschichte, kriegsgeschichte"
]
},
"decompound": {
"type": "dictionary_decompounder",
"word_list": [
"geschichte"
]
}
},
"analyzer": {
"my_breaking_analyzer": {
"type": "custom",
"tokenizer": "keyword",
"filter": [
"decompound",
"synonym"
]
}
}
}
}
}
}
However, in ES 6.2 I'm getting the following error.
PUT /test_index
{
"error": {
"root_cause": [
{
"type": "illegal_argument_exception",
"reason": "failed to build synonyms"
}
],
"type": "illegal_argument_exception",
"reason": "failed to build synonyms",
"caused_by": {
"type": "parse_exception",
"reason": "Invalid synonym rule at line 1",
"caused_by": {
"type": "illegal_argument_exception",
"reason": "term: militärgeschichte analyzed to a token (geschichte) with position increment != 1 (got: 0)"
}
}
},
"status": 400
}
Is this a known issue?