[jira] [Updated] (JEXL-299) Improve message error when method could not be found

["Henri Biestro (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/JEXL-299?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Henri Biestro updated JEXL-299:
-------------------------------
    Assignee: Henri Biestro

> Improve message error when method could not be found
> ----------------------------------------------------
>
>                 Key: JEXL-299
>                 URL: https://issues.apache.org/jira/browse/JEXL-299
>             Project: Commons JEXL
>          Issue Type: Improvement
>            Reporter: Jarek Jarcec Cecho
>            Assignee: Henri Biestro
>            Priority: Major
>
> We incorporated JEXL into our product and it's working really well - thanks for all the hard work and effort that went into the project!
> One thing that that does stand out as a possible improvement is to increase the verbosity of the following message:
> {code}
> org.apache.commons.jexl3.JexlException$Method: com.streamsets.datacollector.antennadoctor.engine.AntennaDoctorEngine.evaluateCondition@1:48 unsolvable function/method 'intersection'
> {code}
> It took us a few hours the first time we saw this exception as the {{intersection}} method definitely existed. It turned out that we were mistakenly calling it with an array rather than with expected list and thus method {{intersection(Object[]}} was indeed not found as only {{intersection(List)}} was present.
> Any chance to improve the error message and in addition to printing the missing method also print the argument which Jexl is trying to match? E.g. something like:
> {code}
> org.apache.commons.jexl3.JexlException$Method:  unsolvable function/method 'intersection(Object[])'
> {code}



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