[jboss-jira] [JBoss JIRA] (DROOLS-1618) DMN sort function doesn't work on IBM JDK

[Edson Tirelli (JIRA)]

     [ https://issues.jboss.org/browse/DROOLS-1618?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edson Tirelli updated DROOLS-1618:
----------------------------------
    Sprint: 2017 Week 24-25


> DMN sort function doesn't work on IBM JDK
> -----------------------------------------
>
>                 Key: DROOLS-1618
>                 URL: https://issues.jboss.org/browse/DROOLS-1618
>             Project: Drools
>          Issue Type: Bug
>          Components: dmn engine
>    Affects Versions: 7.0.0.Final
>            Reporter: Tibor Zimányi
>            Assignee: Edson Tirelli
>              Labels: reported-by-qe
>             Fix For: 7.1.0.Final
>
>
> When running DMN test combination _sort( list : [3, 1, 4, 5, 2] )_ from FEELFunctionsTest class on IBM JDK, the test fails, because the correct sort method cannot be invoked. 
> On IBM JDK, the combination tries to invoke method [1] from SortFunction class, which is incorrect, because the second method with just one parameter should be invoked. This behaviour is influenced by IBM JDK returning methods from call [2] in different order. 
> Notes from debugging: 
> This check [3] pass because the array there is 3 items long although the last item is not populated. This array is created from this method call [4].
> [1] https://github.com/kiegroup/drools/blob/master/kie-dmn/kie-dmn-feel/src/main/java/org/kie/dmn/feel/runtime/functions/SortFunction.java#L36
> [2] https://github.com/kiegroup/drools/blob/ec038e19867d0f4f13f9ddc508f3bbab411d3415/kie-dmn/kie-dmn-feel/src/main/java/org/kie/dmn/feel/runtime/functions/BaseFEELFunction.java#L192
> [3]https://github.com/kiegroup/drools/blob/ec038e19867d0f4f13f9ddc508f3bbab411d3415/kie-dmn/kie-dmn-feel/src/main/java/org/kie/dmn/feel/runtime/functions/BaseFEELFunction.java#L246
> [4] https://github.com/kiegroup/drools/blob/ec038e19867d0f4f13f9ddc508f3bbab411d3415/kie-dmn/kie-dmn-feel/src/main/java/org/kie/dmn/feel/runtime/functions/BaseFEELFunction.java#L235



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