initialize_logger()
public If the RAILS_DEFAULT_LOGGER constant is already set, this initialization routine does nothing. If the constant is not set, and Configuration#logger is not nil, this also does nothing. Otherwise, a new logger instance is created at Configuration#log_path, with a default log level of Configuration#log_level.
If the log could not be created, the log will be set to output to STDERR, with a log level of WARN.
Show source def initialize_logger return if defined?(RAILS_DEFAULT_LOGGER) unless logger = configuration.logger begin logger = Logger.new(configuration.log_path) logger.level = Logger.const_get(configuration.log_level.to_s.upcase) rescue StandardError logger = Logger.new(STDERR) logger.level = Logger::WARN logger.warn( "Rails Error: Unable to access log file. Please ensure that #{configuration.log_path} exists and is chmod 0666. " + "The log level has been raised to WARN and the output directed to STDERR until the problem is fixed." ) end end silence_warnings { Object.const_set "RAILS_DEFAULT_LOGGER", logger } end