Eric, Your example document is quite long. Are you setting hl.maxAnalyzedChars? If you don't, the highlighter you appear to be using will not look past the first 51,200 characters of the document for snippet candidates.
http://wiki.apache.org/solr/HighlightingParameters#hl.maxAnalyzedChars -- Bryan > -----Original Message----- > From: Eric O'Hanlon [mailto:elo2...@columbia.edu] > Sent: Sunday, September 08, 2013 2:01 PM > To: solr-user@lucene.apache.org > Subject: Re: Some highlighted snippets aren't being returned > > Hi again Everyone, > > I didn't get any replies to this, so I thought I'd re-send in case anyone > missed it and has any thoughts. > > Thanks, > Eric > > On Aug 7, 2013, at 1:51 PM, Eric O'Hanlon <elo2...@columbia.edu> wrote: > > > Hi Everyone, > > > > I'm facing an issue in which my solr query is returning highlighted > snippets for some, but not all results. For reference, I'm searching > through an index that contains web crawls of human-rights-related > websites. I'm running solr as a webapp under Tomcat and I've included the > query's solr params from the Tomcat log: > > > > ... > > webapp=/solr-4.2 > > path=/select > > > params={facet=true&sort=score+desc&group.limit=10&spellcheck.q=Unangan&f.m > imetype_code.facet.limit=7&hl.simple.pre=<code>&q.alt=*:*&f.organization_t > ype__facet.facet.limit=6&f.language__facet.facet.limit=6&hl=true&f.date_of > _capture_yyyy.facet.limit=6&group.field=original_url&hl.simple.post=</code > >&facet.field=domain&facet.field=date_of_capture_yyyy&facet.field=mimetype > _code&facet.field=geographic_focus__facet&facet.field=organization_based_i > n__facet&facet.field=organization_type__facet&facet.field=language__facet& > facet.field=creator_name__facet&hl.fragsize=600&f.creator_name__facet.face > t.limit=6&facet.mincount=1&qf=text^1&hl.fl=contents&hl.fl=title&hl.fl=orig > inal_url&wt=ruby&f.geographic_focus__facet.facet.limit=6&defType=edismax&r > ows=10&f.domain.facet.limit=6&q=Unangan&f.organization_based_in__facet.fac > et.limit=6&q.op=AND&group=true&hl.usePhraseHighlighter=true} hits=8 > status=0 QTime=108 > > ... > > > > For the query above (which can be simplified to say: find all documents > that contain the word "unangan" and return facets, highlights, etc.), I > get five search results. Only three of these are returning highlighted > snippets. Here's the "highlighting" portion of the solr response (note: > printed in ruby notation because I'm receiving this response in a Rails > app): > > > > -------- > > "highlighting"=> > > > {"20100602195444/http://www.kontras.org/uu_ri_ham/UU%20Nomor%2023%20Tahun% > 202002%20tentang%20Perlindungan%20Anak.pdf"=> > > {}, > > > "20100902203939/http://www.kontras.org/uu_ri_ham/UU%20Nomor%2023%20Tahun%2 > 02002%20tentang%20Perlindungan%20Anak.pdf"=> > > {}, > > > "20111202233029/http://www.kontras.org/uu_ri_ham/UU%20Nomor%2023%20Tahun%2 > 02002%20tentang%20Perlindungan%20Anak.pdf"=> > > {}, > > "20100618201646/http://www.komnasham.go.id/portal/files/39-99.pdf"=> > > {"contents"=> > > ["...actual snippet is returned here..."]}, > > "20100902235358/http://www.komnasham.go.id/portal/files/39-99.pdf"=> > > {"contents"=> > > ["...actual snippet is returned here..."]}, > > "20110302213056/http://www.komnasham.go.id/publikasi/doc_download/2- > uu-no-39-tahun-1999"=> > > {"contents"=> > > ["...actual snippet is returned here..."]}, > > "20110302213102/http://www.komnasham.go.id/publikasi/doc_view/2-uu-no- > 39-tahun-1999?tmpl=component&format=raw"=> > > {"contents"=> > > ["...actual snippet is returned here..."]}, > > > "20120303113654/http://www.iwgia.org/iwgia_files_publications_files/0028_U > timut_heritage.pdf"=> > > {}} > > -------- > > > > I have eight (as opposed to five) results above because I'm also doing a > grouped query, grouping by a field called "original_url", and this leads > to five grouped results. > > > > I've confirmed that my highlight-lacking results DO contain the word > "unangan", as expected, and this term is appearing in a text field that's > indexed and stored, and being searched for all text searches. For > example, one of the search results is for a crawl of this document: > http://www.iwgia.org/iwgia_files_publications_files/0028_Utimut_heritage.p > df > > > > And if you view that document on the web, you'll see that it does > contain "unangan". > > > > Has anyone seen this before? And does anyone have any good suggestions > for troubleshooting/fixing the problem? > > > > Thanks! > > > > - Eric
