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From "Ate Douma (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SCXML-179) Leave more context (location) information when failing to execute JEXL scripts
Date Tue, 03 Dec 2013 09:48:35 GMT

    [ https://issues.apache.org/jira/browse/SCXML-179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13837505#comment-13837505
] 

Ate Douma commented on SCXML-179:
---------------------------------

Hi Woonsan, nice improvement.

However I'm still puzzled by the Jexl error location (161![14,22]) which seems weird, as those
line numbers(161 AND 14?) don't add up or match with the source.
This is probably more of an Jexl issue I guess, but it would be nice if somehow this could
be improved as well, ideally of course with exact line/column info within the SCXML source
document.
I'm not saying this should be fixed or further improved right now, but maybe something to
look into at a later time?

> Leave more context (location) information when failing to execute JEXL scripts
> ------------------------------------------------------------------------------
>
>                 Key: SCXML-179
>                 URL: https://issues.apache.org/jira/browse/SCXML-179
>             Project: Commons SCXML
>          Issue Type: Improvement
>            Reporter: Woonsan Ko
>            Assignee: Woonsan Ko
>            Priority: Minor
>             Fix For: 2.0
>
>
> Currently, it doesn't give enough context (location) information in warning logs when
there are script errors (e.g, undefined object usages) like the following:
> EXPRESSION_ERROR (evalScript('
>         unknownObject.invoke();
>       '):org.apache.commons.scxml2.env.jexl.JexlEvaluator.evalScript@161![14,22]: 'unknownObject.invoke();'
attempting to call method on null):
> The line number above (161) is from JexlEvaluator, not from SCXML source.
> It would be better if it gave more information somehow about the SCXML location and element
location, for instance.



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