Rails - Jan 2009 - Backgroundrb problem uninitialized constant BackgrounDRb::Me

I installed backgroundrb from http://svn.devjavu.com/backgroundrb/trunk
and there is no problem to start backgroundrb server. but when view the
page which controller requires the worker, I will get the error
"uninitialized constant BackgrounDRb::MetaWorker". Is this the problem
that I didn''t require the class "MetaWorker" in my worker?
How can I
require it?
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Zhao Yi wrote:
> I installed backgroundrb from http://svn.devjavu.com/backgroundrb/trunk
> and there is no problem to start backgroundrb server. but when view the
> page which controller requires the worker, I will get the error
> "uninitialized constant BackgrounDRb::MetaWorker". Is this the
problem
> that I didn''t require the class "MetaWorker" in my
worker? How can I
> require it?
Can anyone help me? I use Redhat9 OS and rails 2.1.2.

thanks.
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On Wed, Jan 14, 2009 at 12:19 PM, Zhao Yi
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
>
> Zhao Yi wrote:
>> I installed backgroundrb from http://svn.devjavu.com/backgroundrb/trunk
>> and there is no problem to start backgroundrb server. but when view the
>> page which controller requires the worker, I will get the error
>> "uninitialized constant BackgrounDRb::MetaWorker". Is this
the problem
>> that I didn''t require the class "MetaWorker" in my
worker? How can I
>> require it?
>
> Can anyone help me? I use Redhat9 OS and rails 2.1.2.
There is something wrong with your setup. MetaWorker shouldn''t be even
shown in controller/rails part of things.

Can you post your worker code and how are you invoke BackgrounDRb
worker tasks from rails?

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Hemant Kumar wrote:
> There is something wrong with your setup. MetaWorker shouldn''t be
even
> shown in controller/rails part of things.
> 
> Can you post your worker code and how are you invoke BackgrounDRb
> worker tasks from rails?
This is my worker definition. I use ruby script/generate worker MakeView 
to generate this worker.

class MakeViewWorker < BackgrounDRb::MetaWorker
  set_worker_name :make_view_worker
  attr_reader :process
  def create(args)
    # this method is called, when worker is loaded for the first time
    process=0
    while process < 100
      sleep 1
      process = process+1
    end
  end
end

This is the code I used to invoke this worker.

 session[:make_view_job]=MiddleMan.new_worker(:class=>make_view_worker,
      :args=>{:product_name=>@project_name, :user_name=>@user_name,
              :version=>@project_version})
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On Wed, Jan 14, 2009 at 2:39 PM, Zhao Yi
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
>
> Hemant Kumar wrote:
>> There is something wrong with your setup. MetaWorker shouldn''t
be even
>> shown in controller/rails part of things.
>>
>> Can you post your worker code and how are you invoke BackgrounDRb
>> worker tasks from rails?
>
> This is my worker definition. I use ruby script/generate worker MakeView
> to generate this worker.
>
> class MakeViewWorker < BackgrounDRb::MetaWorker
>  set_worker_name :make_view_worker
>  attr_reader :process
>  def create(args)
>    # this method is called, when worker is loaded for the first time
>    process=0
>    while process < 100
>      sleep 1
>      process = process+1
>    end
>  end
> end
>
> This is the code I used to invoke this worker.
>
>  session[:make_view_job]=MiddleMan.new_worker(:class=>make_view_worker,
>      :args=>{:product_name=>@project_name, :user_name=>@user_name,
>              :version=>@project_version})

I have a feeling that you are mixing up syntax of BackgrounDRb across
its varied releases.

For example, syntax for creating new workers is:

http://backgroundrb.rubyforge.org/rails/#new_worker

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I think this is because I didn''t require the MetaWorker in my worker.
Do
you know how to require this worker? I have tried "require 
''backgroundrb''" but "no such file to load"
error will be thrown.

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I know what wrong. I should use this code:

used_job_key = MiddleMan.new_worker(:worker => :foo_worker,\
     :worker_key => "my_secret_job_key")

to get a worker. But after this, how can I invoke the worker with this 
key?
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On Thu, Jan 15, 2009 at 8:53 AM, Zhao Yi
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
>
> I know what wrong. I should use this code:
>
> used_job_key = MiddleMan.new_worker(:worker => :foo_worker,\
>     :worker_key => "my_secret_job_key")
>
> to get a worker. But after this, how can I invoke the worker with this
> key?
examples are right there in the docs.  For example to invoke the worker:

MiddleMan.worker(:foo_worker,"my_secret_worker_key").async_do_foo()

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> examples are right there in the docs.  For example to invoke the worker:
> 
>
MiddleMan.worker(:foo_worker,"my_secret_worker_key").async_do_foo()

thanks it works. but when I call this method I will get this error. I 
have started backgroundrb server.

can''t dump TCPSocket

vendor/plugins/backgroundrb/lib/backgroundrb/bdrb_connection.rb:72:in 
`dump''
vendor/plugins/backgroundrb/lib/backgroundrb/bdrb_connection.rb:72:in 
`dump_object''
vendor/plugins/backgroundrb/lib/backgroundrb/bdrb_connection.rb:86:in 
`ask_work''
vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:86:in 
`send''
vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:86:in 
`invoke_on_connection''
vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:72:in 
`run_method''
vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:25:in 
`method_missing''

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On Thu, Jan 15, 2009 at 10:44 AM, Zhao Yi
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
>
>> examples are right there in the docs.  For example to invoke the
worker:
>>
>>
MiddleMan.worker(:foo_worker,"my_secret_worker_key").async_do_foo()
>
>
> thanks it works. but when I call this method I will get this error. I
> have started backgroundrb server.
>
> can''t dump TCPSocket
>
> vendor/plugins/backgroundrb/lib/backgroundrb/bdrb_connection.rb:72:in
> `dump''
> vendor/plugins/backgroundrb/lib/backgroundrb/bdrb_connection.rb:72:in
> `dump_object''
> vendor/plugins/backgroundrb/lib/backgroundrb/bdrb_connection.rb:86:in
> `ask_work''
> vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:86:in
> `send''
> vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:86:in
> `invoke_on_connection''
> vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:72:in
> `run_method''
> vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:25:in
> `method_missing''
Please read the API docs carefully, rather than getting spoon fed here
on the list. These things are clearly mentioned on
http://backgroundrb.rubyforge.org

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Hemant Kumar wrote:
> On Thu, Jan 15, 2009 at 10:44 AM, Zhao Yi
> <rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org> wrote:
>>
>>
vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:72:in
>> `run_method''
>>
vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:25:in
>> `method_missing''
> 
> Please read the API docs carefully, rather than getting spoon fed here
> on the list. These things are clearly mentioned on
> http://backgroundrb.rubyforge.org
Hi,

I have followed this instruction and there isn''t anything related with 
TCP or dump.
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Hemant Kumar wrote:
> On Thu, Jan 15, 2009 at 10:44 AM, Zhao Yi
> <rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org> wrote:
>>
>>
vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:72:in
>> `run_method''
>>
vendor/plugins/backgroundrb/lib/backgroundrb/rails_worker_proxy.rb:25:in
>> `method_missing''
> 
> Please read the API docs carefully, rather than getting spoon fed here
> on the list. These things are clearly mentioned on
> http://backgroundrb.rubyforge.org
I set the config/backgroundrb.yml. If the :ip: refers to 0.0.0.0, I will 
get the error of can''t dump TCPSocket. If the :ip: refers to the 
machine''s IP, I will get No BackgrounDRb server is found running error.
How can I set the IP to avoid this error?
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