Tobias Schlottke created JRUBY-6616:
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Summary: Strange behaviour/race condition using __send__
Key: JRUBY-6616
URL: https://jira.codehaus.org/browse/JRUBY-6616
Project: JRuby
Issue Type: Bug
Reporter: Tobias Schlottke
Assignee: Thomas E Enebo
Hi there,
I've got a strange error/race condition in my app which occurs in the jmx gem:
It occurs here: https://github.com/enebo/jmxjr/blob/master/lib/jmx.rb#L163
Without any special treatment, it complains that a Proc is expected, but a
string was given.
If I change this to
self.class.__send__(:define_method, rname, Proc.new { self[attr.name] })
The exception changes and it complains that define_method does not exist on the
instance, even if self.class is begin called.
If I change __send__ to send the exception disappears.
The funny thing is, that another exception appears afterwards, in a totally
different place.
I guess this might be some strange scoping problem.
I cant cleanly reproduce this, but could provide access to the machine.
-Tobias
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