> I have downloaded apache-solr1.4.1 and then applied patch > SOLR-1553 to enable the EdismaxParserQueryPlugin, but > inspite of this I get the Unknown query type error.
Hmm, I don't know about whether it is usable/compatible with solr 1.4.1 but you
can try to register edismax in solrconfig.xml as follows:,
<queryParser name="edismax"
class="org.apache.solr.search.ExtendedDismaxQParserPlugin"/>
