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Posted to dev@lucene.apache.org by "Michael Busch (JIRA)" <ji...@apache.org> on 2007/05/17 18:31:17 UTC
[jira] Updated: (LUCENE-881) QueryParser escaping/parsin issue with
strings starting/ending with ||
[ https://issues.apache.org/jira/browse/LUCENE-881?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Busch updated LUCENE-881:
---------------------------------
Priority: Trivial (was: Major)
> QueryParser escaping/parsin issue with strings starting/ending with ||
> ----------------------------------------------------------------------
>
> Key: LUCENE-881
> URL: https://issues.apache.org/jira/browse/LUCENE-881
> Project: Lucene - Java
> Issue Type: Bug
> Components: QueryParser
> Affects Versions: 2.1, 2.2
> Environment: MAC OS X 10.4.7, J2SE 5.0 Release 4
> Reporter: Slobodan Marjanovic
> Assigned To: Michael Busch
> Priority: Trivial
>
> There is a problem with query parser when search string starts/ends with ||. When string contains || in the middle like 'something || something' everything runs without a problem.
> Part of code:
> searchText = QueryParser.escape(searchText);
> QueryParser parser = null;
> parser = new QueryParser(fieldName, new CustomAnalyser());
> parser.parse(searchText);
> CustomAnalyser class extends Analyser. Here is the only redefined method:
> @Override
> public TokenStream tokenStream(String fieldName, Reader reader) {
> return new PorterStemFilter( (new StopAnalyzer()).tokenStream(fieldName, reader));
> }
> I have tested this on Lucene 2.1 and latest source I have checked-out from SVN (Revision 538867) and in both cases parsing exception was thrown.
> Part of Stack Trace (Lucene - SVN checkout - Revision 538867):
> Cannot parse 'someting ||': Encountered "<EOF>" at line 1, column 11.
> Was expecting one of:
> <NOT> ...
> "+" ...
> "-" ...
> "(" ...
> "*" ...
> <QUOTED> ...
> <TERM> ...
> <PREFIXTERM> ...
> <WILDTERM> ...
> "[" ...
> "{" ...
> <NUMBER> ...
>
> org.apache.lucene.queryParser.ParseException: Cannot parse 'someting ||': Encountered "<EOF>" at line 1, column 11.
> Was expecting one of:
> <NOT> ...
> "+" ...
> "-" ...
> "(" ...
> "*" ...
> <QUOTED> ...
> <TERM> ...
> <PREFIXTERM> ...
> <WILDTERM> ...
> "[" ...
> "{" ...
> <NUMBER> ...
>
> at org.apache.lucene.queryParser.QueryParser.parse(QueryParser.java:150)
> Part of Stack Trace (Lucene 2.1):
> Cannot parse 'something ||': Encountered "<EOF>" at line 1, column 12.
> Was expecting one of:
> <NOT> ...
> "+" ...
> "-" ...
> "(" ...
> "*" ...
> <QUOTED> ...
> <TERM> ...
> <PREFIXTERM> ...
> <WILDTERM> ...
> "[" ...
> "{" ...
> <NUMBER> ...
>
> org.apache.lucene.queryParser.ParseException: Cannot parse 'something ||': Encountered "<EOF>" at line 1, column 12.
> Was expecting one of:
> <NOT> ...
> "+" ...
> "-" ...
> "(" ...
> "*" ...
> <QUOTED> ...
> <TERM> ...
> <PREFIXTERM> ...
> <WILDTERM> ...
> "[" ...
> "{" ...
> <NUMBER> ...
>
> at org.apache.lucene.queryParser.QueryParser.parse(QueryParser.java:149)
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