1) Perhaps the the query you tried does not match anything in your
index? What release are you using? [prefix*] works fine for me.
2) The Highlighter should not care if you have more than one field with
the same name in a document. The Highlighter does not deal with
documents. It takes a TokenStream of field:value pairs and then compares
those to the field:value pairs in the query. If you pass a field name,
only field matches are scored over 0, if you pass null for the field
name, fields are ignored and only values are compared. This is all very
separate from storing fields in a document. Are you doing something
weird with your TokenStream?
- Mark
Lukas Vlcek wrote:
Hi,
I have two questions:
1) Is it possible to get some highlighted text when using wildcard
query? (I
am using query rewrite)
I found that it works for queries like [prefix*suffix] or [prefix?suffix]
but I was not able to get results for queries like [prefix*]
2) What kind of problems I should expect when trying to get highlighted
fragment(s) from multi-filed document? (I mean when the document has more
fields of the same name).
So far I am often experiencing StringIndexOutOfBoundsException (see
example
below):
SEVERE: String index out of range: 17
java.lang.StringIndexOutOfBoundsException: String index out of range: 17
at java.lang.String.substring(String.java:1765)
at
org.apache.lucene.search.highlight.Highlighter.getBestTextFragments(
Highlighter.java:235)
at
org.apache.lucene.search.highlight.Highlighter.getBestFragments(
Highlighter.java:175)
at org.apache.lucene.search.highlight.Highlighter.getBestFragment(
Highlighter.java:101)
at
org.compass.core.lucene.engine.LuceneSearchEngineHighlighter.collectionFragment
(LuceneSearchEngineHighlighter.java:204)
at
org.compass.core.lucene.engine.LuceneSearchEngineHighlighter.collectionFragment
(LuceneSearchEngineHighlighter.java:189)
at
org.compass.core.impl.DefaultCompassHighlighter.collectionFragment(
DefaultCompassHighlighter.java:127)
... [truncated]
... [also you can notice that I am using Compass above Lucene but to
me this
seems like Lucene related problem because index seems to be OK (via
Luke)]
I am using Lucene-2.2.0.
Regards,
Lukas
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