ruby-on-rails - ruby 怎么打印输出 异常信息的详细消息？

Question

现在有一个测试代码：
def study_ruby_exception arg_1
begin
puts 10/arg_1
rescue Exception => e
puts e.message
end
end
study_ruby_exception 0
当我运行的时候会打印输出：pided by 0 除数为零异常
我想得到这个异常的所有堆栈消息。例如：接防执行这个代码的时候是怎么的调用关系。错在哪个文件的哪 个方法里面等！
我应该怎么输出呢？

Answer 1

Exception class has a backtrace method that returns an array containing a stack...

Reference code...

def study_ruby_exception arg_1
    begin
        puts 10/arg_1
    rescue Exception => e
        puts e.backtrace
    end
end

study_ruby_exception 0

A few words by the way...rescue actually does not have to appear together with begin...

Your example can actually be written like this...

def study_ruby_exception arg_1
    puts 10/arg_1
rescue Exception => e
    puts e.backtrace
end

study_ruby_exception 0