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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=13552

missing attribute name in exception message when EL expression evaluation fails

           Summary: missing attribute name in exception message when EL
                    expression evaluation fails
           Product: Tomcat 5
           Version: Nightly Build
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Major
          Priority: Other
         Component: Jasper2
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]


When an EL expression that is supplied as the value for an action
attribute fails to evaluate, the exception message does not contain
the name of the attribute. Instead, it contains an empty string.

For example, if the following EL expression

  <c:set var="book" value="${bookDB.bookDetails}" />

fails to evaluate, this exception message is printed:

  An error occurred while evaluating custom action attribute "" with
  value "${bookDB.bookDetails.title}"

It would be useful if the exception message contained the attribute name.

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