Shingo Sasaki created SOLR-4813:
-----------------------------------
Summary: 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
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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