[jira] Issue Comment Edited: (LUCENE-2849) StringIndexOutOfBoundsException on searchtime

["Jeroen Vuurens (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-2849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12978743#action_12978743 ] 

Jeroen Vuurens edited comment on LUCENE-2849 at 1/7/11 6:19 AM:
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Hi Robert,

Quite a hassle for someone thats new to SVN. I wast able to create a test. Problem is that the whole export doesnt build in Netbeans. I made the changes to the file, it does test out ok like this in my own environment. First attempt at posting a patch, so if possible provide some feedback if this patch is usable or if I did something wrong.

gl Jeroen 

      was (Author: jeoen):
    Hi Robert,

Quite a hassle for someone thats new to SVN. I wast able to create a test. Problem is that the whole export doesnt build in Netbeans. I made the changes to the file, it does test out ok like this in my own environment. First attempt at posting a patch, so if possible provide some feedback if this patch is usable or if I did soemthing wrong.

gl 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
>         Attachments: LUCENE-2849.patch
>
>   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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