roykyle8 opened a new issue, #13437:
URL: https://github.com/apache/lucene/issues/13437
### Description
I've a project using lucene 2 and trying to upgrade to lucene 9. Following
simple program works in lucene 2.
```
public class CustomMultiFieldQueryParser {
private static String[] DefaultQueryFields = new String[]{"name",
"category", "jobType"};
public static void main(String[] args) throws ParseException {
String query = "jobType:(1/2 day)";
MultiFieldQueryParser queryParser = new
MultiFieldQueryParser(DefaultQueryFields, new StandardAnalyzer());
System.out.println(queryParser.parse(query));
}
}
```
But when I run the same progam with lucene 9, I get Lexical error.
```
Exception in thread "main"
org.apache.lucene.queryparser.classic.ParseException: Cannot parse
'jobType:(1/2 day)': Lexical error at line 1, column 18. Encountered: <EOF>
after prefix "/2 day)" (in lexical state 2)
at
org.apache.lucene.queryparser.classic.QueryParserBase.parse(QueryParserBase.java:141)
at CustomMultiFieldQueryParser.main(CustomMultiFieldQueryParser.java:12)
Caused by: org.apache.lucene.queryparser.classic.TokenMgrError: Lexical
error at line 1, column 18. Encountered: <EOF> after prefix "/2 day)" (in
lexical state 2)
at
org.apache.lucene.queryparser.classic.QueryParserTokenManager.getNextToken(QueryParserTokenManager.java:1065)
at
org.apache.lucene.queryparser.classic.QueryParser.getToken(QueryParser.java:914)
at
org.apache.lucene.queryparser.classic.QueryParser.jj_3R_MultiTerm_383_3_3(QueryParser.java:763)
at
org.apache.lucene.queryparser.classic.QueryParser.jj_3_1(QueryParser.java:738)
at
org.apache.lucene.queryparser.classic.QueryParser.jj_2_1(QueryParser.java:690)
at
org.apache.lucene.queryparser.classic.QueryParser.Query(QueryParser.java:232)
at
org.apache.lucene.queryparser.classic.QueryParser.Clause(QueryParser.java:371)
at
org.apache.lucene.queryparser.classic.QueryParser.Query(QueryParser.java:251)
at
org.apache.lucene.queryparser.classic.QueryParser.TopLevelQuery(QueryParser.java:223)
at
org.apache.lucene.queryparser.classic.QueryParserBase.parse(QueryParserBase.java:137)
... 1 more
Process finished with exit code 1
```
When I change the query to ```+(jobType:(1/2 part-time))
-(jobType:(1/4-full))```, again it works with lucene 2 but with lucene 9
getting following error.
```
Exception in thread "main" java.lang.IllegalArgumentException: end-of-string
expected at position 11
at org.apache.lucene.util.automaton.RegExp.<init>(RegExp.java:506)
at org.apache.lucene.search.RegexpQuery.<init>(RegexpQuery.java:144)
at
org.apache.lucene.queryparser.classic.QueryParserBase.newRegexpQuery(QueryParserBase.java:574)
at
org.apache.lucene.queryparser.classic.QueryParserBase.getRegexpQuery(QueryParserBase.java:752)
at
org.apache.lucene.queryparser.classic.MultiFieldQueryParser.getRegexpQuery(MultiFieldQueryParser.java:272)
at
org.apache.lucene.queryparser.classic.QueryParserBase.handleBareTokenQuery(QueryParserBase.java:821)
at
org.apache.lucene.queryparser.classic.QueryParser.Term(QueryParser.java:494)
at
org.apache.lucene.queryparser.classic.QueryParser.Clause(QueryParser.java:366)
at
org.apache.lucene.queryparser.classic.QueryParser.Query(QueryParser.java:312)
at
org.apache.lucene.queryparser.classic.QueryParser.Clause(QueryParser.java:371)
at
org.apache.lucene.queryparser.classic.QueryParser.Query(QueryParser.java:251)
at
org.apache.lucene.queryparser.classic.QueryParser.Clause(QueryParser.java:371)
at
org.apache.lucene.queryparser.classic.QueryParser.Query(QueryParser.java:251)
at
org.apache.lucene.queryparser.classic.QueryParser.TopLevelQuery(QueryParser.java:223)
at
org.apache.lucene.queryparser.classic.QueryParserBase.parse(QueryParserBase.java:137)
at CustomMultiFieldQueryParser.main(CustomMultiFieldQueryParser.java:13)
```
Can anybody help here?
### Version and environment details
Lucene Version 2 & 9.
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