[jira] [Created] (FREEMARKER-48) When custom fremarker method throws exception, it is impossible to find line/row where called

["Vojtech Knyttl (JIRA)" <ji...@apache.org>]

Vojtech Knyttl created FREEMARKER-48:
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             Summary: When custom fremarker method throws exception, it is impossible to find line/row where called
                 Key: FREEMARKER-48
                 URL: https://issues.apache.org/jira/browse/FREEMARKER-48
             Project: Apache Freemarker
          Issue Type: Bug
          Components: engine
    Affects Versions: 2.3.25-incubating
         Environment: Any
            Reporter: Vojtech Knyttl


Consider this stacktrace:

https://gist.github.com/knyttl/dba8f94b9736eb2751074c34dce7b467

On line `DispatcherServlet.renderView(DispatcherServlet.java:308)` I have started freemarker to render a template. During that process it uses custom method (`HrefMethod.exec(HrefMethod.java:28)`), but this method threw an exception. However Freemarker does not report a line/row of the template where this method was called making it very hard for debug.

I would be happy if `freemarker.core.MethodCall._eval(MethodCall.java:65)` had some try-catch blcok, that in case of an exception would add lines/rows/details of the element that caused the exception.



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