I recently upgraded one of my apps to rails 2.0.2 and creating a
certain object didn''t work. After some debugging, I discovered this
exception:
undefined method `update_without_callbacks'' for #<Journal:
0x4fc7048>
where Journal is my model and I have this callback in journal.rb:
def after_save
make_journal_name
make_inbound_email
self.update_without_callbacks
end
(See * below for more info)
Also, I thought while I was debugging that at some point I saw an
exception that said I was trying to call a private method, but I can
no longer reproduce that.
Anybody know what''s going on?
* Basically, what goes on here is that after I create or update a
journal I need to create a name and inbound e-mail for the journal
that include the journal_id, so this has to happen in the after_save
so that the journal_id is available. However, if I call self.save
that creates an endless loop. See:
http://groups.google.com/group/rubyonrails-talk/browse_thread/thread/cc9cb64ca0923147/75432648e1aeee27?lnk=gst
for more info.
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On Mar 5, 12:01 pm, Scott <scottpo...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:> I recently upgraded one of my apps to rails 2.0.2 and creating a > certain object didn''t work. After some debugging, I discovered this > exception: > > undefined method `update_without_callbacks'' for #<Journal: > 0x4fc7048> > > where Journal is my model and I have this callback in journal.rb: > > def after_save > make_journal_name > make_inbound_email > self.update_without_callbacks > end > > (See * below for more info) > > Also, I thought while I was debugging that at some point I saw an > exception that said I was trying to call a private method, but I can > no longer reproduce that. > > Anybody know what''s going on? > > * Basically, what goes on here is that after I create or update a > journal I need to create a name and inbound e-mail for the journal > that include the journal_id, so this has to happen in the after_save > so that the journal_id is available. However, if I call self.save > that creates an endless loop. See:http://groups.google.com/group/rubyonrails-talk/browse_thread/thread/... > for more info.It''s hard to tell without knowing more of what the make_journal_name and make_inbound_email methods do. If these methods are updating attributes of the journal, you should probably move the self.update_without_callbacks to these methods as a self.update_attribute(:attr, value) and call self.reload if necessary in your after_save callback. Otherwise, you could try self.save_without_validation (or self.save_with_validation(false)), but I don''t know if these will skip the after_save callback (I don''t think they will). --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
Unfortunately, calling self.update_attribute creates an endless loop
because #update_attribute callsback after_save.
Here''s a very simple example I setup where I simply want to append the
ID of an object to it''s title after it''s created or updated:
class Movie < ActiveRecord::Base
def after_save
self.title = self.title + self.id.to_s
self.update_without_callbacks
end
end
and it throws this error:
NoMethodError in MoviesController#update
private method `update_without_callbacks'' called for #<Movie:
0x38b1084>
at /ruby/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/
attribute_methods.rb:205:in `method_missing''. That code calls
"super"
which is what throws the error...I presume because it''s calling the
method on ActiveRecord::Base.
That being said, it seems that the access level of
update_without_callbacks changed from 1.2.x to 2.x...is that a feature
or a bug?
On Mar 4, 10:39 pm, scarred_beyond_belief
<m...-nZyiYgZf6O26c6uEtOJ/EA@public.gmane.org>
wrote:> On Mar 5, 12:01 pm, Scott
<scottpo...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>
>
>
> > I recently upgraded one of my apps to rails 2.0.2 and creating a
> > certain object didn''t work. After some debugging, I
discovered this
> > exception:
>
> > undefined method `update_without_callbacks'' for
#<Journal:
> > 0x4fc7048>
>
> > where Journal is my model and I have this callback in journal.rb:
>
> > def after_save
> > make_journal_name
> > make_inbound_email
> > self.update_without_callbacks
> > end
>
> > (See * below for more info)
>
> > Also, I thought while I was debugging that at some point I saw an
> > exception that said I was trying to call a private method, but I can
> > no longer reproduce that.
>
> > Anybody know what''s going on?
>
> > * Basically, what goes on here is that after I create or update a
> > journal I need to create a name and inbound e-mail for the journal
> > that include the journal_id, so this has to happen in the after_save
> > so that the journal_id is available. However, if I call self.save
> > that creates an endless loop.
See:http://groups.google.com/group/rubyonrails-talk/browse_thread/thread/...
> > for more info.
>
> It''s hard to tell without knowing more of what the
make_journal_name
> and make_inbound_email methods do. If these methods are updating
> attributes of the journal, you should probably move the
> self.update_without_callbacks to these methods as a
> self.update_attribute(:attr, value) and call self.reload if necessary
> in your after_save callback. Otherwise, you could try
> self.save_without_validation (or self.save_with_validation(false)),
> but I don''t know if these will skip the after_save callback (I
don''t
> think they will).
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I''ve been trying to figure out how the access level has changed, but I can''t see it directly. I do see one meaningful change to callbacks.rb that occurred on 8/31/07: http://dev.rubyonrails.org/changeset/7380. I don''t really understand the change very well...anyone? On Mar 4, 11:02 pm, Scott <scottpo...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:> Unfortunately, calling self.update_attribute creates an endless loop > because #update_attribute callsback after_save. > > Here''s a very simple example I setup where I simply want to append the > ID of an object to it''s title after it''s created or updated: > > class Movie < ActiveRecord::Base > def after_save > self.title = self.title + self.id.to_s > self.update_without_callbacks > end > end > > and it throws this error: > > NoMethodError in MoviesController#update > private method `update_without_callbacks'' called for #<Movie: > 0x38b1084> > > at /ruby/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/ > attribute_methods.rb:205:in `method_missing''. That code calls "super" > which is what throws the error...I presume because it''s calling the > method on ActiveRecord::Base. > > That being said, it seems that the access level of > update_without_callbacks changed from 1.2.x to 2.x...is that a feature > or a bug? > > On Mar 4, 10:39 pm, scarred_beyond_belief <m...-nZyiYgZf6O26c6uEtOJ/EA@public.gmane.org> wrote: > > > On Mar 5, 12:01 pm, Scott <scottpo...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote: > > > > I recently upgraded one of my apps to rails 2.0.2 and creating a > > > certain object didn''t work. After some debugging, I discovered this > > > exception: > > > > undefined method `update_without_callbacks'' for #<Journal: > > > 0x4fc7048> > > > > where Journal is my model and I have this callback in journal.rb: > > > > def after_save > > > make_journal_name > > > make_inbound_email > > > self.update_without_callbacks > > > end > > > > (See * below for more info) > > > > Also, I thought while I was debugging that at some point I saw an > > > exception that said I was trying to call a private method, but I can > > > no longer reproduce that. > > > > Anybody know what''s going on? > > > > * Basically, what goes on here is that after I create or update a > > > journal I need to create a name and inbound e-mail for the journal > > > that include the journal_id, so this has to happen in the after_save > > > so that the journal_id is available. However, if I call self.save > > > that creates an endless loop. See:http://groups.google.com/group/rubyonrails-talk/browse_thread/thread/... > > > for more info. > > > It''s hard to tell without knowing more of what the make_journal_name > > and make_inbound_email methods do. If these methods are updating > > attributes of the journal, you should probably move the > > self.update_without_callbacks to these methods as a > > self.update_attribute(:attr, value) and call self.reload if necessary > > in your after_save callback. Otherwise, you could try > > self.save_without_validation (or self.save_with_validation(false)), > > but I don''t know if these will skip the after_save callback (I don''t > > think they will).--~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---