hello,
mike adviser me last time to use:
>This is done by the fragmenting stage of highlighting. Solr (trunk)
>ships with a fragmenter that looks for sentence-like snippets using
>regular expressions: try hl.fragmenter=regex (see config in
>solrconfig.xml).
the prolem is I wasn't able either to do that or spécifie the fragsize
from solrconfig.xml i think it is due to the version of solr I use and what
classe and package I spécifie ie:
I put this in solrconfig.xml
<highlighting>
<!-- Configure the standard fragmenter -->
−
<!--
This could most likely be commented out in the "default" case
-->
−
<fragmenter name="gap" class="org.apache.solr.util.GapFragmenter"
default="true">
−
<lst name="defaults">
<int name="hl.fragsize">400</int>
</lst>
</fragmenter>
−
<!--
A regular-expression-based fragmenter (f.i., for sentence extraction)
-->
−
<fragmenter name="regex"
class="org.apache.solr.highlight.RegexFragmenter">
−
<lst name="defaults">
−
<!--
slightly smaller fragsizes work better because of slop
-->
<int name="hl.fragsize">70</int>
<!-- allow 50% slop on fragment sizes -->
<float name="hl.regex.slop">0.5</float>
<!-- a basic sentence pattern -->
<str name="hl.regex.pattern">[-\w ,/\n\"']{20,200}</str>
</lst>
</fragmenter>
<!-- Configure the standard formatter -->
−
<formatter name="html" class="org.apache.solr.highlight.HtmlFormatter"
default="true">
−
<lst name="defaults">
<str name="hl.simple.pre"></str>
<str name="hl.simple.post"></str>
</lst>
</formatter>
</highlighting>
so either using
<fragmenter name="gap" class="org.apache.solr.util.GapFragmenter"
default="true">
org.apache.solr.util.GapFragmenter specifique to solr1.2
or
<fragmenter name="gap" class="org.apache.solr.highlight.GapFragmenter"
default="true">
it doesn't work solr still use the default value fragsize=100. also I am not
able to spécifie regex fragmenter due to this probleme of version I
suppose or the way I am declaring <highlighting> ......</highlighting>
because
both of:
<fragmenter name="gap" class="org.apache.solr.util.GapFragmenter"
default="true">
and
<fragmenter name="gap" class="org.apache.solr.highlight.GapFragmenter"
default="true">
still use fragsize=100 but i am using <int name="hl.fragsize">400</int> as
shown above.
thank you.
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