Fixed error rendering of rxml documents to not just swallow the exception and...

Fixed error rendering of rxml documents to not just swallow the exception and return 0 (still not guessing the right line, but hey)

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@238 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

 *SVN*
 
+* Fixed error rendering of rxml documents to not just swallow the exception and return 0 (still not guessing the right line, but hey)
+
 * Fixed that textilize and markdown would instantiate their engines even on empty strings. This also fixes #333 [Ulysses]
 
 * Added use of *_before_type_cast for all input and text fields. This is helpful for getting "100,000" back on a integer-based 

actionpack/lib/action_view/template_error.rb

@@ -49,14 +49,13 @@ def sub_template_of(file_name)
     end
   
     def line_number
-      begin
-        @original_exception.backtrace.join.scan(/\((?:erb)\):([0-9]*)/).first.first.to_i
-      rescue
-        begin
-          original_exception.message.scan(/\((?:eval)\):([0-9]*)/).first.first.to_i
-        rescue
-          1
-        end
+      trace = @original_exception.backtrace.join
+      if trace.include?("erb):")
+        trace.scan(/\((?:erb)\):([0-9]*)/).first.first.to_i
+      elsif trace.include?("eval):")
+        trace.scan(/\((?:eval)\):([0-9]*)/).first.first.to_i
+      else
+        1
       end
     end