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https://issues.apache.org/jira/browse/SOLR-4813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hoss Man updated SOLR-4813:
---------------------------
Attachment: SOLR-4813__4x.patch
patch showing what the backport looks like.
it's unfortunate there isn't more code reuse between Slow & FST
SynonymFactories, but that that can be refactored another day.
the patch includes some additional test permutations to ensure the param
checking works right regardless of which delegate is picked.
i'm still running full tests & precommit
> 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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