Ruby xml rpc error handling

Question

I have a model


class Car
  @@RPCServer = XMLRPC::Client.new("localhost", "/", 8080)

  def self.count
    @@RPCServer.call("cars.count")
  end
end

If server is not running on localhost:8080 I've got a Errno::ECONNREFUSED error.
I want to display an error message to user, how can a handle this error?

Steve Weet · Accepted Answer · 2010-05-03 22:04:18Z

1

You need to trap the error in order to handle the exception in the way your application needs. The following code will trap this Exception. If you need to trap other exceptions then you can include multiple rescue clauses.

class Car
  @@RPCServer = XMLRPC::Client.new("localhost", "/", 8080)

  def self.count
    begin
      @@RPCServer.call("cars.count")
    rescue Errno::ECONNREFUSED
      # Do Appropriate handling here
    end
  end
end

edited May 3, 2010 at 22:04

answered May 3, 2010 at 20:07

Steve Weet

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