Just for the records - this works like a charm:
.../select?q=*potter*&qt=dismax
<response>
−
<lst name="responseHeader">
<int name="status">0</int>
<int name="QTime">93</int>
−
<lst name="params">
<str name="q">*potter*</str>
<str name="qt">dismax</str>
</lst>
</lst>
−
<result name="response" numFound="572" start="0" maxScore="5.3375173">
...
<str name="title">L'année où on a découvert «Harry Potter» au cinéma</str>
...
<requestHandler name="dismax" class="solr.DisMaxRequestHandler">
<lst name="defaults">
<str name="echoParams">explicit</str>
<float name="tie">0.01</float>
<str name="qf"> all_text_de^0.5 all_text_en^0.5 all_text_es^0.5
all_text_fr^0.5 all_text_it^0.5 all_text_nl^0.5 all_text_nolang^0.5
channel_name_tokens^1.0 role_tokens^1.0 participant_tokens^1.0</str>
<str name="pf"> title_de^2 title_en^2 title_es^2 title_fr^2
title_it^2 title_nl^2 title_nolang^2 channel_name_tokens^2 role_tokens^2
participant_tokens^2</str>
</str-->
<str name="fl"> *,score </str>
<str name="mm"> 2<-1 5<80%</str>
<int name="ps">100</int>
<str name="q.alt">*:*</str>
</lst>
</requestHandler>
And the funny thing: ReversedWildcardFilterFactory is still commented
out (I didn't remember I never reactivated it). And NGram was never part
of my schema.
Happy user of 1.4RC - I'm sure our milestones won't beat the SOLR 1.4
release date.
Cheers,
Chantal