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https://issues.apache.org/jira/browse/SOLR-4813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13655749#comment-13655749
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Jack Krupansky commented on SOLR-4813:
--------------------------------------
The problem is not that you have a tokenizerFactory attribute, but that you are
trying to use a tokenizer that has attributes. Solr is simply complaining that
you have two attributes, maxGramSize and minGramSize that are not defined for
the SynonymFilterFactory. Yes, that is a new feature in Solr! If your code was
working in a previous release, you were lucky - it would have been using the
default min and max of 1 and 1.
The synonym tokenizerFactory attribute has no provision for passing attributes
to the synonym tokenizer. For now, you'll have to create a custom ngram
tokenizer factor with the desired settings.
> Unavoidable IllegalArgumentException occurs when SynonymFilterFactory's
> setting has tokenizer's parameter.
> ----------------------------------------------------------------------------------------------------------
>
> Key: SOLR-4813
> URL: https://issues.apache.org/jira/browse/SOLR-4813
> Project: Solr
> Issue Type: Bug
> Components: Schema and Analysis
> Affects Versions: 4.3
> Reporter: Shingo Sasaki
> Priority: Critical
> Labels: SynonymFilterFactory
>
> When I write SynonymFilterFactory' setting in schema.xml as follows, ...
> {code:xml}
> <analyzer>
> <tokenizer class="solr.NGramTokenizerFactory" maxGramSize="2"
> minGramSize="2"/>
> <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt"
> ignoreCase="true" expand="true"
> tokenizerFactory="solr.NGramTokenizerFactory" maxGramSize="2"
> minGramSize="2"/>
> </analyzer>
> {code}
> IllegalArgumentException ("Unknown parameters") occurs.
> {noformat}
> Caused by: java.lang.IllegalArgumentException: Unknown parameters:
> {maxGramSize=2, minGramSize=2}
> at
> org.apache.lucene.analysis.synonym.FSTSynonymFilterFactory.<init>(FSTSynonymFilterFactory.java:71)
> at
> org.apache.lucene.analysis.synonym.SynonymFilterFactory.<init>(SynonymFilterFactory.java:50)
> ... 28 more
> {noformat}
> However TokenizerFactory's params should be set to loadTokenizerFactory
> method in [FST|Slow]SynonymFilterFactory. (ref. SOLR-2909)
> I think, the problem was caused by LUCENE-4877 ("Fix analyzer factories to
> throw exception when arguments are invalid") and SOLR-3402 ("Parse Version
> outside of Analysis Factories").
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