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Posted to dev@tapestry.apache.org by bu...@apache.org on 2004/05/25 12:09:35 UTC

DO NOT REPLY [Bug 29200] New: - Better error message when instantiation of abstract page fails

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http://issues.apache.org/bugzilla/show_bug.cgi?id=29200

Better error message when instantiation of abstract page fails

           Summary: Better error message when instantiation of abstract page
                    fails
           Product: Tapestry
           Version: 3.0
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Enhancement
          Priority: Other
         Component: Framework
        AssignedTo: tapestry-dev@jakarta.apache.org
        ReportedBy: filip@stubkjaer-adamsen.dk


Pages are often declared abstract to allow Tapestry to enhance them. But when 
Tapestry sees no need to do so, because a Page does not need enhancement, an 
InstantiationException will be thrown. The corresponding error message -
 "Unable to instantiate an instance of class [class-name]" - confuses many 
developers, and should instead state something like: "Unable to instantiate an 
instance of class [class-name]: The class is abstract, but does not need 
enhancement." This would allow developers to quickly fix the problem.

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