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From Zisis Tachtsidis <>
Subject Re: PostingsHighlighter highlighted snippet size (fragsize)
Date Wed, 28 Jan 2015 16:57:01 GMT
It seems that a solution has been found.

PostingsHighlighter uses by default Java's SENTENCE BreakIterator so it
breaks the snippets into fragments per sentence.
In my text_en analysis chain though I was using a filter that lowercases
input and this seems to mess with the logic of SENTENCE BreakIterator.
Removing the filter did the trick.

Apart from that there is a new issue now. I'm trying to search on one field
and highlight another and this seems to not be working even If I use the
exact same analyzers for both fields. I get the correct results in the
highlighting section but there is no highlight. Digging deeper I've found
inside PostingsHighlighter.highlightFieldsAsObjects() (line 393 in version
4.10.3) that the fields to be highlighted (I guess) are the intersection of
the query terms set (fields used in the search query) and the set of fields
to be highlighted (defined by the hl.fl param). So, unless I use the field
to be highlighted in the search query I get no highlight.

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