I figured it out myself.
The parameter is called "spellcheck.dictionary". This needs to be set to the 
desired spellchecker name. 
I'll updated the wiki with this information.

Best regards,

Stefan

-----Ursprüngliche Nachricht-----
Von: Stefan Oestreicher [mailto:[EMAIL PROTECTED] 
Gesendet: Mittwoch, 10. September 2008 11:47
An: [email protected]
Betreff: multiple spellchecker components

Hi,
 
I'm currently in the middle of converting my index from the old spellchecker 
request handler to the spellcheck component. My index has a category field and 
my frontend only allows to search in one category at once so I have a 
spellchecker request handler for each category in order to present only 
spelling suggestions that are relevant for the current category (the handlers 
only differ in the termSourceField).
Unfortunately  I don't quite get how I can achieve that with the new component. 
Although the example in the wiki shows how you can configure multiple 
components there doesn't seem to be a way to explicitly invoke one of them on a 
per request basis (or at least the wiki lacks an example).
That's my current configuration:
 
<searchComponent name="nuspell"
class="org.apache.solr.handler.component.SpellCheckComponent">
      <lst name="spellchecker">
          <str name="name">default</str>
          <str
name="classname">org.apache.solr.spelling.IndexBasedSpellChecker</str>
          <str name="field">spellcheck</str>
      </lst>
 
      <lst name="spellchecker">
          <str name="name">news</str>
          <str
name="classname">org.apache.solr.spelling.IndexBasedSpellChecker</str>
          <str name="field">spellcheck_nachrichten</str>
      </lst>
 </searchComponent>

But it seems that only the "default" spellchecker is actually used. I tried 
passing the name like "spellcheck.name=news" but that didn't work.

What am I missing?
 
TIA,
 
Stefan Oestreicher

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