Many gems do not work properly with jRuby. You might check with jRuby Website
and the acts_as_audited Website. I don't have a jRuby installation handy.
My only suggestion is back way off on the functionality until it behaves as
expected and then add functionality back in with lots of puts statements
and/or logger statements. Array#sum() is a Rails extension. You might try
using inject.
E.g. observed_classes.inject([]){|a, i| a + i.send(:subclasses)}
It is implied, but not stated. Does your rewrite of observed_subclasses()
work as expected?
Sorry couldn't be more help,
Jeffrey
Quoting femto <femto...@gmail.com>:
> observed_classes is [].
> I replied earlier, but the google post forum seems to
> went some wrong, so makes my post unsuccesful.
> Sorry for that.
>
> On 11月26日, 下午4时50分, "Jeffrey L. Taylor" <r...@abluz.dyndns.org> wrote:
> > Quoting femto <femto...@gmail.com>:
> >
> >
> >
> >
> >
> > > Hello all, while I'm using acts_as_audited(on jruby platform),
> > > after vendored the acts_as_audited, it reports some error,
> > > line 167,
> > > # Start observing the declared classes and their subclasses.
> > > def initialize
> >
> > > Set.new(observed_classes + observed_subclasses).each { |klass|
> > > add_observer! klass } #this line
> > > end
> > > after some trace shows this one, when observed_classes is empty, will
> > > return 0(Fixnum) causes the
> > > above line to report error,
> >
> > > def observed_subclasses
> > > observed_classes.sum([]) { |klass| klass.send(:subclasses) }
> > > end
> >
> > > so I changed it to this:
> >
> > > def observed_subclasses
> > > #observed_classes.sum([]) { |klass| klass.send(:subclasses) }
> > > result = []
> > > observed_classes.each do |klass|
> > > result += klass.send(:subclasses)
> > > end
> >
> > > end
> > > It this a bug?
> >
> > What is definition of observed_classes? When there are no observed classes,
> > does it return [] or nil?
> >
> > Jeffrey
>
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