RailsXls Plugin Not Working

Rails
1

Hi,

I am using RailsXls Plugin to generate Excel Reports

I am using Rails 2.1.2 Version

I Have installed Jdk 1.5 Also

I am getting this error when i am trying to start my webrick server

rails/activesupport/lib/active_support/dependencies.rb:493:in
`const_missing’: uninitialized constant in Rails::Plugin::Worksheet

Please guide me in this issue

Rgds,
Karthikeyan.R

2

I Used Spreadsheet-excel gem to generate excel reports.The problem of
dependencies is not there.It worked perfectly fine

But anyway i want to know Why RailsXLS Plugin Not worked