This is my code,
user controller 42:
@user =
User.with_clients.with_projects.find(doorkeeper_token.resource_owner_id)
active support code that error out.
def define_callbacks(kind, object) #:nodoc:
name = _callback_runner_name(kind)
unless object.respond_to?(name, true)
str = object.send("#{kind}_callbacks").compile
class_eval <<-RUBY_EVAL, __FILE, LINE + 1
def #{name}() #{str} end
protected :#{name}
RUBY_EVAL
end
name
end
So some how active support try to eval a "def () value = nil" here. Which
mean #{name} is empty?
I thought the code ...
object.respond_to?(name, true) is intended to prevent cases where name is
empty or nil. But when the #{name} used in the class_eval came from
_callback_runner_name(kind) and has nothing to do with object.name
So I am not sure if the code is checking the wrong thing when checking
object.respond_to?(name, true)
And I dont know at what instance would _callback_runner_name(kind) returns
empty for me. Any idea what these code was intended to do. In the case that
_callback_runner_name(kind) is returning empty, I am not sure how this
will be my code causing the issue at the moment.
[363, 372] in
/Users/~/.rbenv/versions/jruby-1.7.4/gemsets/ruby/gems/activesupport-4.0.0/lib/active_support/callbacks.rb
363 # This method defines callback chain method for the given kind
364 # if it was not yet defined.
365 # This generated method plays caching role.
366 def __define_callbacks(kind, object) #:nodoc:
367 debugger
=> 368 name = __callback_runner_name(kind)
369 unless object.respond_to?(name, true)
370 str = object.send("_#{kind}_callbacks").compile
371 class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1
372 def #{name}() #{str} end
/Users/~/.rbenv/versions/jruby-1.7.4/gemsets/ruby/gems/activesupport-4.0.0/lib/active_support/callbacks.rb:368
name = __callback_runner_name(kind)
(rdb:1) name = __callback_runner_name(kind)
"_run__1313977386__find__callbacks"
(rdb:1) kind
:find
(rdb:1) str
nil
(rdb:1) object.send("_#{kind}_callbacks").compile
"value = nil\nhalted = false\nvalue = !halted && (!block_given? ||
yield)\nvalue"
(rdb:1) object
#<ClientMembership id: 1, client_id: 1, user_id: 1, is_client_admin: true,
created_at: "2013-06-18 20:23:13", updated_at: "2013-06-18 20:23:13">
(rdb:1) object.name
"[email protected]"
On Friday, August 23, 2013 8:27:15 AM UTC-4, Matt Jones wrote:
>
>
>
> On Wednesday, 21 August 2013 16:51:11 UTC-4, [email protected] wrote:
>>
>> In my server log, I am seeing this error message that is raised in
>> activesupport.
>>
>> 2013-08-12T23:06:08.932580+00:00 app[web.2]: SyntaxError
>> (/app/vendor/bundle/jruby/1.9/gems/activesupport-4.0.0/lib/active_support/callbacks.rb:374:
>>
>> syntax error, unexpected tRPAREN
>> 2013-08-12T23:06:08.932580+00:00 app[web.2]:
>> 2013-08-12T23:06:08.932580+00:00 app[web.2]: def () value = nil
>> 2013-08-12T23:06:08.932580+00:00 app[web.2]: ^):
>> 2013-08-12T23:06:08.932580+00:00 app[web.2]:
>> app/controllers/api/users_controller.rb:42:in `show'
>>
>>
> "def () value = nil" is not valid syntax. Wherever that is in your code,
> you need to fix it...
>
> --Matt Jones
>
>
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