[LUCENE-543] Wildcard query with no wildcard characters in the term throws StringIndexOutOfBounds exception

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.9
• Component/s: core/search

Environment

linux and windows, JRE 1.4.2_06 Lucene 1.9.1

• Assignee: Michael Busch
• Reporter: Erick Erickson
• Created: 11/Apr/06 04:48
• Updated: 28/Aug/22 11:26
• Resolved: 21/Nov/06 00:10

Description

Query q1 = new WildcardQuery(new Term("Text", "a"));
Hits hits = searcher.search(q1);

Caught Exception
java.lang.StringIndexOutOfBoundsException : String index out of range: -1
at java.lang.String.substring(Unknown Source)
at org.apache.lucene.search.WildcardTermEnum.<init>(WildcardTermEnum.java:65)
at org.apache.lucene.search.WildcardQuery.getEnum (WildcardQuery.java:38)
at org.apache.lucene.search.MultiTermQuery.rewrite(MultiTermQuery.java:54)
at org.apache.lucene.search.IndexSearcher.rewrite(IndexSearcher.java:137)
at org.apache.lucene.search.Query.weight (Query.java:92)
at org.apache.lucene.search.Hits.<init>(Hits.java:41)
at org.apache.lucene.search.Searcher.search(Searcher.java:44)
at org.apache.lucene.search.Searcher.search(Searcher.java:36)
at QuickTest.main(QuickTest.java:45)

From Erik Hatcher

Feel free to log this as a bug report in our JIRA issue tracker. It
seems like a reasonable change to make, such that a WildcardQuery
without a wildcard character would behave like TermQuery.