Handling Lucene query parser errors

Question

My application takes a user inputted string and tries to parse it with the Lucene query parser. I noticed however that there are several formats of strings that provoke an error in this query parser.
e.g.:

~anystring
anystring +

First I tried molding my user inputted string so that it could not contain these cases, but as I see it, there could be more cases I do not foresee now.

How do you handle Query parser exceptions? How do you prevent them?

score 2 · Accepted Answer · edited May 23 '17 at 12:01

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We catch the remaining parse exceptions and display an error message ("Your search did not match any documents. Suggestion: Try different keywords.").

See also How to make the Lucene QueryParser more forgiving?

edited May 23 '17 at 12:01

Community

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answered Mar 02 '09 at 11:29

trunkc

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Hmm, yes, this is the most obvious way to go. But I would think that some common cases would be solved by the query parser itselve. But maybe that shouldn't be it's resposibility indeed. – Boris Callens Mar 02 '09 at 13:02

score 0 · Answer 2 · edited Mar 25 '20 at 10:57

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query.replace(/([\!\*\+\&\|\(\)\[\]\{\}\^\~\?\:\"\/])/g, "");

edited Mar 25 '20 at 10:57

double-beep

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answered Mar 25 '20 at 09:26

Alberto Pravisano

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Can you provide more information / context in your answer? – Alex Meuer Mar 25 '20 at 09:54

Handling Lucene query parser errors

2 Answers2