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https://issues.apache.org/jira/browse/LUCENE-2849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12978313#action_12978313
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Jeroen Vuurens commented on LUCENE-2849:
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Hi Robert,
Well I've never contributed a patch to open source b4, but I'll have a look on
the page you refer to, to see if I can figure it out.
regards, Jeroen
> StringIndexOutOfBoundsException on searchtime
> ---------------------------------------------
>
> Key: LUCENE-2849
> URL: https://issues.apache.org/jira/browse/LUCENE-2849
> Project: Lucene - Java
> Issue Type: Bug
> Components: contrib/benchmark
> Affects Versions: 3.0.2
> Environment: Windows XP
> Reporter: Jeroen Vuurens
> Priority: Minor
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> I've been trying to run the example PrecisionRecall.java code from Lucene in
> Action II (downloaded the code, so its just as in the book). It gives a
> StringIndexOutOfBoundsException on my machine.
> Figured it out. I copied QualityBenchmark and QualityStats from the Lucene
> source and inserted a debugline to get a view of the argument values in the
> function that throws the exception.
> private String fracFormat(String frac) {
> int k = frac.indexOf('.');
> String s1 = padd+frac.substring(0,k);
> int n = Math.max(k,6);
> s1 = s1.substring(s1.length()-n);
> return s1 + frac.substring(k);
> }
> This function assumes that a decimal '.' is being used. However, the PC's we
> use over here at uni have a different locale using a ',' for decimals. Think
> you might be able to catch that by using (new
> DecimalFormatSymbols().getDecimalSeparator()) instead of ('.')?
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