That must be it, thanks for the find. The patch must not have made it into 3.1 yet. I'll take a look at the diff and see what I can make work for our app in the meantime.
On Oct 12, 2010, at 12:01 PM, Markus Jelsma wrote: > I believe it was this one > https://issues.apache.org/jira/browse/LUCENE-1824 > >> The natives have been getting restless since I turned off the highlighter >> on our application quite a few months ago. In an attempt to rectify >> that I've migrated to Solr 3.1 (found it quite stable so far) in hopes to >> use the vector highlighter. So far, I'm not seeing a significant >> performance hit in the highlighter. I was spending many seconds >> highlighting results in 1.4 (1.3 way considerably faster) ... so big win >> there. >> >> >> But ... the fragments often cut off words (preceding non-highlighted >> words). >> >> Title field of "Apache MQ Message Queue Setup Notes (Dev)" is getting >> highlighted as "he MQ <em>Message Queue</em> Setup Notes (Dev)" Some seem >> to highlight fine ... some not. No common thread that I can see. >> >> From http://wiki.apache.org/solr/HighlightingParameters >> hl.fragsize >> >> "The size, in characters, of fragments to consider for highlighting. "0" >> indicates that the whole field value should be used (no fragmenting). This >> parameter accepts per-field overrides." >> >> I thought that might help the situation but that results in >> SEVERE: java.lang.IllegalArgumentException: fragCharSize(0) is too small. >> It must be 18 or higher. at >> org.apache.lucene.search.vectorhighlight.SimpleFragListBuilder.createField >> FragList(SimpleFragListBuilder.java:36) at >> org.apache.lucene.search.vectorhighlight.FastVectorHighlighter.getFieldFra >> gList(FastVectorHighlighter.java:167) at >> org.apache.lucene.search.vectorhighlight.FastVectorHighlighter.getBestFrag >> ments(FastVectorHighlighter.java:158) at >> org.apache.solr.highlight.DefaultSolrHighlighter.doHighlightingByFastVecto >> rHighlighter(DefaultSolrHighlighter.java:506) at >> org.apache.solr.highlight.DefaultSolrHighlighter.doHighlighting(DefaultSol >> rHighlighter.java:379) ... >> >> I also set the value to a value larger than the possible size of the field >> but I still get a left truncated highlight in many cases. >> >> >> hl.fragListBuilder and hl.fragmentsBuilder sound like they may be relevant >> but I haven't been able to locate any documentation on those. >> >> This is my highlighter set up for the time being. >> >> <str name="hl">true</str> >> <str name="hl.useFastVectorHighlighter">true</str> >> <str name="hl.snippets">3</str> >> <str name="f.title.hl.fragsize">10000</str> >> <str name="hl.fragsize">200</str> >> <str name="hl.mergeContiguous">true</str> >> <str name="hl.simple.pre"><b></str> >> <str name="hl.simple.post"></b></str> >> >> >> Any suggestions? Thanks. >> I'm running revision 1021880 in the lusolr 3_1 branch. >> >> >> Trey Hyde >> th...@centraldesktop.com >> Central Desktop, Inc. >> Organize, Share, Collaborate Trey Hyde th...@centraldesktop.com Central Desktop, Inc. Organize, Share, Collaborate
