After trying to set up webservice setup using Ruby I encountered problems with xmlparser. As I see - it is common problem (e.g. Ruby soap4r wsdl2ruby.rb errors), but it's solution, however simple, isn't successful to me.
I'm trying to run code taken from http://www.tutorialspoint.com/ruby/ruby_web_services.htm with little correction (signal string had no enclosing apostrophe). I installed firstly soap4r using
$ gem install soap4r --include-dependencies
and fixed xmlparser.rb:66 to
c.to_s.downcase == name
code:
require "soap/rpc/standaloneserver"
begin
class MyServer < SOAP::RPC::StandaloneServer
# Expose our services
def initialize(*args)
add_method(self, 'add', 'a', 'b')
add_method(self, 'div', 'a', 'b')
end
# Handler methods
def add(a, b)
return a + b
end
def div(a, b)
return a / b
end
end
server = MyServer.new("MyServer",
'urn:ruby:calculation', 'localhost', 8080)
trap('INT'){
server.shutdown
}
server.start
rescue => err
puts err.message
end
this unfortunately still isn't working. It throws me an error:
undefined method `add_rpc_operation' for nil:NilClass
after invoking add_method(self, ...)
