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https://issues.apache.org/jira/browse/SOLR-4813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13657402#comment-13657402
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Hoss Man commented on SOLR-4813:
--------------------------------
Thanks rmuir,
Committed revision 1482527 - 4x
Backport to 4.3.1 was clean, i'll commit there when the tests are done
> Unavoidable IllegalArgumentException occurs when SynonymFilterFactory's
> setting has tokenizer factory'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
> Assignee: Hoss Man
> Priority: Critical
> Labels: SynonymFilterFactory
> Fix For: 5.0, 4.4, 4.3.1
>
> Attachments: SOLR-4813__4x.patch, SOLR-4813.patch, SOLR-4813.patch
>
>
> 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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