[ 
https://issues.apache.org/jira/browse/MATH-1487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Paweł updated MATH-1487:
------------------------
    Description: 
Hi,

I spotted a pesky bug in KolmogorovSmirnovTest class, in the method 
kolmogorovSmirnovTest.

In order to reproduce the error use arrays from attachments.

Stacktrace:
{noformat}
org.apache.commons.math3.exception.MathInternalError: illegal state: internal 
error, please fill a bug report at https://issues.apache.org/jira/browse/MATH
at 
org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest.fixTies(KolmogorovSmirnovTest.java:1171)
 at 
org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest.kolmogorovSmirnovTest(KolmogorovSmirnovTest.java:263)
 at 
org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest.kolmogorovSmirnovTest(KolmogorovSmirnovTest.java:290)

{noformat}
  

  was:
Hi,

I spotted a pesky bug in KolmogorovSmirnovTest class, in the method 
kolmogorovSmirnovTest.

In order to reproduce the error use arrays from attachments.

Stacktrace

 
{noformat}
org.apache.commons.math3.exception.MathInternalError: illegal state: internal 
error, please fill a bug report at https://issues.apache.org/jira/browse/MATH
at 
org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest.fixTies(KolmogorovSmirnovTest.java:1171)
 at 
org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest.kolmogorovSmirnovTest(KolmogorovSmirnovTest.java:263)
 at 
org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest.kolmogorovSmirnovTest(KolmogorovSmirnovTest.java:290)
{noformat}
 

 


> MathInternalError - Kolmogorov Smirnov Test
> -------------------------------------------
>
>                 Key: MATH-1487
>                 URL: https://issues.apache.org/jira/browse/MATH-1487
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.6.1
>            Reporter: Paweł
>            Priority: Critical
>         Attachments: alpha.arr, beta.arr
>
>
> Hi,
> I spotted a pesky bug in KolmogorovSmirnovTest class, in the method 
> kolmogorovSmirnovTest.
> In order to reproduce the error use arrays from attachments.
> Stacktrace:
> {noformat}
> org.apache.commons.math3.exception.MathInternalError: illegal state: internal 
> error, please fill a bug report at https://issues.apache.org/jira/browse/MATH
> at 
> org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest.fixTies(KolmogorovSmirnovTest.java:1171)
>  at 
> org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest.kolmogorovSmirnovTest(KolmogorovSmirnovTest.java:263)
>  at 
> org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest.kolmogorovSmirnovTest(KolmogorovSmirnovTest.java:290)
> {noformat}
>   



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