failsafe_response(output, status, exception = nil)
private
If the block raises, send status code as a last-ditch response.
# File railties/lib/dispatcher.rb, line 88
def failsafe_response(output, status, exception = nil)
yield
rescue Object
begin
output.write "Status: #{status}\r\n"
if exception
message = exception.to_s + "\r\n" + exception.backtrace.join("\r\n")
error_path = File.join(RAILS_ROOT, 'public', '500.html')
if defined?(RAILS_DEFAULT_LOGGER) && !RAILS_DEFAULT_LOGGER.nil?
RAILS_DEFAULT_LOGGER.fatal(message)
output.write "Content-Type: text/html\r\n\r\n"
if File.exists?(error_path)
output.write(IO.read(error_path))
else
output.write("<html><body><h1>Application error (Rails)</h1></body></html>")
end
else
output.write "Content-Type: text/plain\r\n\r\n"
output.write(message)
end
end
rescue Object
end
end
