Hi, These might help you:
https://issues.apache.org/jira/browse/SOLR-4414 https://issues.apache.org/jira/browse/SOLR-5480 and https://issues.apache.org/jira/browse/SOLR-6248. On Fri, Jul 25, 2014 at 11:58 AM, Donglin Chen <daniel.chen....@gmail.com> wrote: > Hi, > > I issued MoreLikeThis query using a uniquekey of a source document, and I > got no match as below (but I can select this document fine in Solr). > > <?xml version="1.0" encoding="UTF-8"?> > <response> > <lst name="responseHeader"> > <int name="status">0</int> > <int name="QTime">0</int> > </lst> > <result name="match" numFound="0" start="0" maxScore="0.0"/> > <null name="response"/> > <lst name="interestingTerms"/> > </response> > > The query is like this: > http://localhost:8080/solr/dbcollection_1/mlt?&q=uniquekey:20320 > > However, using select in stead of MLT, this document did return > http://localhost:8080/solr/dbcollection_1/select?&q=uniquekey:20320 > > when I tried another uniquekey with almost the same document content, Solr > returned match and similar jobs. > http://localhost:8080/solr/dbcollection_1/mlt?&q=uniquekey:20321 > > When I tried another MLT query where there is empty value on the matching > field, no similar jobs returned as expected, but nonetheless the match > document is returned as expected. > What could cause MLT query return <result name="match" numFound="0"..> > whereas we can select this document fine? > > Thanks! > Daniel -- Anshum Gupta http://www.anshumgupta.net
