[LUCENE-5] GermanStemmer crashes while indexing

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Component/s: modules/analysis

Environment

Operating System: Solaris
Platform: Sun

• Bugzilla Id: 4555
• Assignee: Gerhard Schwarz
• Reporter: M. Reinsch
• Created: 31/Oct/01 22:58
• Updated: 28/Aug/22 11:09
• Resolved: 27/May/06 01:35

Description

Version: lucene-1.2-rc1.jar

Indexing of "alpha-geek2" works.
Indexing of "alpha-geek" throws exception. (Hope its not my inability.)

demo code which shows exception: http://www.nalle.de/TestIndex.java
Output of code:

indexed 1
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
at java.lang.StringBuffer.charAt(StringBuffer.java:283)
at org.apache.lucene.analysis.de.GermanStemmer.resubstitute(Unknown
Source)
at org.apache.lucene.analysis.de.GermanStemmer.stem(Unknown Source)
at org.apache.lucene.analysis.de.GermanStemFilter.next(Unknown Source)
at org.apache.lucene.analysis.LowerCaseFilter.next(Unknown Source)
at org.apache.lucene.index.DocumentWriter.invertDocument(Unknown Source)
at org.apache.lucene.index.DocumentWriter.addDocument(Unknown Source)
at org.apache.lucene.index.IndexWriter.addDocument(Unknown Source)
at TestIndex.<init>(TestIndex.java:25)
at TestIndex.main(TestIndex.java:36)