No - you need to restart Solr to pick up the changes to the schema and you need to re-index the existing documents.
Regards, André ________________________________________ Von: Andreas Niekler [aniek...@informatik.uni-leipzig.de] Gesendet: Mittwoch, 7. November 2012 16:40 An: solr-user@lucene.apache.org Betreff: Re: Stemmer German2 Hello, thanks for the advice. If i now change the schema that my lowercase factory is before the stemmer. is the index updating itself after the change? How could i achieve this. I stored all values within the index. Thanks andreas Am 07.11.2012 10:47, schrieb André Widhani: > Do you use the LowerCaseFilterFactory filter in your analysis chain? You will > probably want to add it and if you aready have, make sure it is _before_ the > stemming filter so you get consistent results regardless of lower- or > uppercase spelling. > > You can protect words from being subject to stemming by adding a > KeyWordMarkerFilterFactory filter before the stemmer, protected words are in > a text file. This should be placed after the lower case filter so you can use > lower csase terms in the file. > > Some stemmer classes like SnowballPorterFilterFactory also allow you to pass > a "protected" attribute (again pointing to a file). > > All of this is on the Solr wiki (AnalyzersTokenizersTokenFilters, > LanguageAnalysis) if you need more details. > > Regards, > André > > ________________________________________ > Von: Andreas Niekler [aniek...@informatik.uni-leipzig.de] > Gesendet: Mittwoch, 7. November 2012 10:02 > An: solr-user@lucene.apache.org > Betreff: Stemmer German2 > > Dear List, > > i have an unwanted behavior with the German2 Stemmer. For example the > river Elbe: > > If i input elbe - the word gets reduced to elb > If i input Elbe - everything is ok and elbe is stored to the index. > > If i now query for elbe or Elbe i get of course differnt Results > allowing the users not either use Elbe or elbe to get the same results. > > Can i insert an exception list to the Stemmer. Otherwise we will have a > very hard time explaining some users why this is happaning for some words. > > Thank you > > Andreas > > -- > Andreas Niekler, Dipl. Ing. (FH) > NLP Group | Department of Computer Science > University of Leipzig > Johannisgasse 26 | 04103 Leipzig > > mail: aniek...@informatik.uni-leipzig.deg.de > -- Andreas Niekler, Dipl. Ing. (FH) NLP Group | Department of Computer Science University of Leipzig Johannisgasse 26 | 04103 Leipzig mail: aniek...@informatik.uni-leipzig.deg.de