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From "Woonsan Ko (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 03:33:37 GMT

    [ https://issues.apache.org/jira/browse/SCXML-179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13837285#comment-13837285
] 

Woonsan Ko commented on SCXML-179:
----------------------------------

Improved SimpleErrorReporter.java. Now it leaves the location of the expression in SCXML 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): Expression error inside /hello/world

It appends the transition target path information (e.g, 'inside /hello/world') now.

> 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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