How do I get ruby to print a full backtrace instead of a truncated one?

Question

When I get exceptions, it is often from deep within the call stack. When this happens, more often than not, the actual offending line of code is hidden from me:

Answer 1

Almost everybody answered this. My version of printing any rails exception into logs would be:

begin
    some_statement
rescue => e
    puts "Exception Occurred #{e}. Message: #{e.message}. Backtrace:  \n #{e.backtrace.join("\n")}"
    Rails.logger.error "Exception Occurred #{e}. Message: #{e.message}. Backtrace:  \n #{e.backtrace.join("\n")}"
end