Hi,
I attempted upgrade from Hibernate Search
5.8.0.CR1 to
5.8.2.Finaland from ElasticSearch
2.4.2 to
5.6.4.
When I run my application I'm getting the following error:
Code:
Status: 400 Bad Request
Error message: {"root_cause":[{"type":"illegal_argument_exception",
reason":"Fielddata is disabled on text fields by default.
Set fielddata=true on [title] in order to load fielddata in memory by uninverting the inverted index.
Note that this can however use significant memory. Alternatively use a keyword field instead."}]
I read about
Fielddata here:
https://www.elastic.co/guide/en/elasticsearch/reference/5.6/fielddata.html#_fielddata_is_disabled_on_literal_text_literal_fields_by_defaultBut I'm not sure how to address this issue, especially from Hibernate Search.
My
title field definition looks like this:
Code:
@Field(name = "title", analyzer = @Analyzer(definition = "my_collation_analyzer"))
@Field(name = "title_polish", analyzer = @Analyzer(definition = "polish"))
protected String title;
I'm using the following analyzer definition:
Code:
@AnalyzerDef(name = "my_collation_analyzer",
tokenizer = @TokenizerDef(factory = KeywordTokenizerFactory.class), filters = { @TokenFilterDef(
name = "polish_collation", factory = ElasticsearchTokenFilterFactory.class, params = {
@org.hibernate.search.annotations.Parameter(name = "type", value = "'icu_collation'"),
@org.hibernate.search.annotations.Parameter(name = "language", value = "'pl'") }) })
(Analyzer
polish comes from plugin
analysis-stempel.)
Elasticsearch notes on
Fielddata recommend changing the type of the field
from
text to
keyword, or setting
fielddata=true, but I'm not sure
how to do it using Hibernate Search annotations because there are no such
properties in annotation
@Field.
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