On Wed, 2008-09-03 at 17:06 +0800, Hao Liu wrote:
> Hi, guys,
> I ran into a problem while I tried to pass more than one parameters to
> a method in the worker class, it fails, from the backgroundrb log, I
> found that:
>
> You have a nil object when you didn't expect it!
> You might have expected an instance of ActiveRecord::Base.
> The error occurred while evaluating nil.[]
>
> Seems the args is nil, but a hash I passed in my controller. From the
> post:
> http://rubyforge.org/pipermail/backgroundrb-devel/2008-April/001668.html,
> it should be a hash if there are multiple arguments. Here's what I did:
>
> In my controller:
> def blah
> MiddleMan.worker(:hard_worker).send_mail(:args => {:recipient =>
> '[EMAIL PROTECTED]', :subject => 'BlahBlah'})
> end
>
> In my worker class:
> def send_mail(args)
> emailer.send_mail(args[:recipient], args[:subject])
> end
Err, because its ":arg" not ":args" , hence:
MiddleMan.worker(:hard_worker).send_mail(:arg => {:recipient =>
'[EMAIL PROTECTED]', :subject => 'BlahBlah'})
I thought, I had it documented here:
http://backgroundrb.rubyforge.org/rails/
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