![]() Ruby on rails rack app error update#When you update to new gem versions, examine or diff config/newrelic.yml and newrelic.yml in the installation directory to take advantage of new configuration options. To update newrelic.yml file after a new release, use the template in the base directory of the agent gem. For details on earlier versions, refer to the comments in newrelic.yml itself. This documentation applies to the Ruby agent's latest release. This document describes the most common options. To view the most current list of available Ruby agent configuration options, use the rake newrelic:config:docs command. If you do not indent correctly, the agent may throw an Unable to parse configuration file error on startup. Indent only where relevant, in stanzas such as error_collector.When you edit the config file, be sure to: If NEW_RELIC_ENV is not present, the agent uses the Rails environment ( RAILS_ENV or RAILS.env, depending on the version of Rails). When running the Ruby agent in a Rails app, the agent first looks for the NEW_RELIC_ENV environment variable to determine the application environment and which section of the newrelic.yml to use. If the Ruby agent does not detect values for any of those environment variables, it will default the application environment to development and read from the development section of the newrelic.yml config file. Here is an example newrelic.yml config file:įor non-Rails apps, the Ruby agent looks for the following environment variables, in this order, to determine the application environment: This can be useful, for example, when you want to use info for the log_level config setting in your production environment, and you want more verbose log_level config settings (such as debug in your development environment. The Ruby agent determines which section of the newrelic.yml config file to read from by looking at certain environment variables to derive the application's environment. Ruby on rails rack app error plus#It typically includes a Defaults section at the top, plus sections below for each application environment for example, Development, Testing, and Production. The Ruby agent's newrelic.yml is a standard YAML configuration file. ![]() In other words, environment variables override all other configuration settings and info, server-side configuration overrides the configuration file and default config settings, and so on. ![]() The Ruby agent follows this order of precedence for configuration: File railties/lib/rails.rb, line 50 def backtracecleaner backtracecleaner begin Relies on Active Support, so we have to lazy load to postpone definition until Active Support has been loaded require 'rails/backtracecleaner' Rails:: BacktraceCleaner. You can also configure a few values in the UI via server-side configuration. ![]()
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