From: Bezan Kapadia <bezan99@...>
Date: 2009-02-10T09:28:50+09:00
Subject: Re: Got SystemStackError exception: stack level too deep

I see ...

My code below : The function 1 calls the function mail_system every 60 
seconds.

Take a look at my 2 functions below and can u suggest of what should I 
really change to do away with this issue

require 'net/smtp'

def mail_system(message,i)

user=`echo $USER`.chomp
recipient=user+"@gmail.com"
msg = "#{message}"
Net::SMTP.start('smtp.gmail.com',25) do |smtp|
smtp.send_message(msg, "#{recipient}", "#{recipient}")
Notification for Email Sent completion - #{message}"
end
rescue Timeout::Error => e
$mes_trace.error("Got #{e.class} exception: #{e.message}")
puts "Got #{e.class} exception: #{e.message}"
exit false
end



def function1
........
mail_system(message,i)
rescue Exception => e
    $mes_trace.error("Got #{e.class} exception: #{e.message}")
    puts "Got #{e.class} exception: #{e.message}"
end

sleep(60)
end






Tony Arcieri wrote:
> On Mon, Feb 9, 2009 at 4:12 PM, Bezan Kapadia <bezan99@gmail.com> wrote:
> 
>> Can someone explain what does this error really mean "Got
>> SystemStackError exception: stack level too deep" ?
>> and if there are anything to look for or keep in mind to contain or
>> prevent this error or some kind of work around etc...?
>>
> 
> It means that you have too many calls to functions which are in turn 
> calling
> other functions before returning.  A quick and easy way to cause a 
> similar
> error is:
> 
>  def foo; foo; end
>  foo
> 
> The stack trace you get with the SystemStackError will be enormously 
> helpful
> in diagnosing this problem.  Perhaps you can paste it to the list?

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