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From "Fergal Monaghan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-740) Bugs in contrib/snowball/.../SnowballProgram.java -> Kraaij-Pohlmann gives Index-OOB Exception
Date Tue, 30 Sep 2014 14:00:55 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14153177#comment-14153177
] 

Fergal Monaghan commented on LUCENE-740:
----------------------------------------

Hi all, I've read this thread but am still unclear as to why this was marked "Won't fix",
which I guess means the patch fix supplied has not been applied. Can someone please clarify
if and why this is the case? Regardless, I am still seeing this issue. In my pom I am using:
<dependency>
 <groupId>org.cleartk</groupId>
 <artifactId>cleartk-snowball</artifactId>
 <version>2.0.0</version>
</dependency>

Which in the effective POM resolves the dependency to lucene-snowball (and therefore this
error):
 <groupId>org.apache.lucene</groupId>
 <artifactId>lucene-snowball</artifactId>
 <version>3.0.3</version>

Thanks very much,
Fergal.

> Bugs in contrib/snowball/.../SnowballProgram.java -> Kraaij-Pohlmann gives Index-OOB
Exception
> ----------------------------------------------------------------------------------------------
>
>                 Key: LUCENE-740
>                 URL: https://issues.apache.org/jira/browse/LUCENE-740
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: modules/analysis
>    Affects Versions: 1.9
>         Environment: linux amd64
>            Reporter: Andreas Kohn
>            Priority: Minor
>         Attachments: 740-license.txt, lucene-1.9.1-SnowballProgram.java, snowball.patch.txt
>
>
> (copied from mail to java-user)
> while playing with the various stemmers of Lucene(-1.9.1), I got an
> index out of bounds exception:
> lucene-1.9.1>java -cp
> build/contrib/snowball/lucene-snowball-1.9.2-dev.jar
> net.sf.snowball.TestApp Kp bla.txt
> Exception in thread "main" java.lang.reflect.InvocationTargetException
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
>        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>        at java.lang.reflect.Method.invoke(Method.java:615)
>        at net.sf.snowball.TestApp.main(TestApp.java:56)
> Caused by: java.lang.StringIndexOutOfBoundsException: String index out
> of range: 11
>        at java.lang.StringBuffer.charAt(StringBuffer.java:303)
>        at net.sf.snowball.SnowballProgram.find_among_b(SnowballProgram.java:270)
>        at net.sf.snowball.ext.KpStemmer.r_Step_4(KpStemmer.java:1122)
>        at net.sf.snowball.ext.KpStemmer.stem(KpStemmer.java:1997)
> This happens when executing
> lucene-1.9.1>java -cp
> build/contrib/snowball/lucene-snowball-1.9.2-dev.jar
> net.sf.snowball.TestApp Kp bla.txt
> bla.txt contains just this word: 'spijsvertering'.
> After some debugging, and some tests with the original snowball
> distribution from snowball.tartarus.org, it seems that the attached
> change is needed to avoid the exception.
> (The change comes from tartarus' SnowballProgram.java)



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