>
> This error is caused by an analyzer in your mapping which does no longer
> conform to the Lucene TokenStream API contract, which has become stricter
> in latest release 4.6.
>
Ah, thank you for the pointer. I'll investigate further in that direction.
> Probably you use a plugin with a custom analyzer?
>
As far as I'm aware, only standard analyzers are being used. We've got
head, bigdesk, and hq plugins but that's it.
The index has the following settings, of which I can't really see anything
out of the ordinary:
{
"settings":{
"analysis":{
"filter": {
"camel_caps" : {
"type" : "pattern_capture",
"preserve_original" : 1,
"patterns" : [
"(\\p{Ll}+|\\p{Lu}\\p{Ll}+|\\p{Lu}+)",
"(\\d+)"
]
},
"simple_stemmer": {
"type": "stemmer",
"name": "minimal_english"
},
"word_mash": {
"type": "shingle",
"token_separator": ""
},
"word_dash": {
"type": "pattern_replace",
"pattern": "[^0-9a-z]+",
"replacement": "-"
},
"partial_middle":{
"type":"nGram",
"max_gram":50,
"min_gram":2
}
},
"analyzer":{
"search":{
"filter":[
"trim",
"asciifolding",
"camel_caps",
"lowercase",
"simple_stemmer",
"word_mash"
],
"type":"custom",
"tokenizer":"standard"
},
"index": {
"filter":[
"trim",
"asciifolding",
"lowercase",
"word_dash"
],
"type":"custom",
"tokenizer":"keyword"
},
"suggest": {
"filter": [
"trim",
"asciifolding",
"lowercase",
"partial_middle"
],
"type": "custom",
"tokenizer": "standard"
}
}
}
}
}
Hmmm...
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