Hi there,
yesterday I had a strange problem with using synonyms in Solr 4.3.0
In my schema there is the default-configuration for synonyms defined
<analyzer type="query">
<tokenizer class="solr.WhitespaceTokenizerFactory"/>
<filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt"
ignoreCase="true" expand="true"/>
<filter class="solr.StopFilterFactory"
ignoreCase="true"
words="stopwords.txt"
enablePositionIncrements="true"
/>
<filter class="solr.WordDelimiterFilterFactory" generateWordParts="1"
generateNumberParts="1" catenateWords="0" catenateNumbers="0" catenateAll="0"
splitOnCaseChange="1"/>
<filter class="solr.LowerCaseFilterFactory"/>
<filter class="solr.KeywordMarkerFilterFactory"
protected="protwords.txt"/>
<filter class="solr.PorterStemFilterFactory"/>
<filter class="solr.RemoveDuplicatesTokenFilterFactory"/>
</analyzer>
Everything works fine with that config, except this line
Combustion, combustión, gases, gas, humo, humos, analizador, analizadores,
emisiones, contaminante, O2, oxígeno, oxigeno, carbono, NOx, NO, NO2, SO2, CO,
H2S, HC, hidrocarburos, inquemados, quemador, caldera, horno, chimenea
When searching for any of that terms, I don't get any result. Removing special
chars didn't make it better, removing numeric didn't make it better. When
shorting that list down to ~90 characters (10 terms) I got results again. Is
there some kind of length constraint when using synonyms?
Regards,
Michael
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Michael Bulla
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