gistfile1.rb

def a
  raise "i am in a"
end

def b
  puts "i am in b"
  a
end

def c
  puts "i am in c"
  b
end

c

output

➔ ruby exceptiontest.rb
i am in c
i am in b
exceptiontest.rb:2:in `a': i am in a (RuntimeError)
	from exceptiontest.rb:7:in `b'
	from exceptiontest.rb:12:in `c'
	from exceptiontest.rb:15:in `<main>'