ICUTransformFilterFactory 使う準備 メモ

$ mkdir example/solr/collection1/lib/
$ cp contrib/analysis-extras/lucene-libs/lucene-analyzers-icu-4.10.4.jar  example/solr/collection1/lib/

schema.xml
<filter class="org.apache.lucene.analysis.icu.ICUTransformFilterFactory" id="Katakana-Hiragana"/>