{"id":79257,"library":"rjack-logback","title":"RJack Logback","description":"Packages the Logback Java logging library and provides a JRuby facade for programmatic Logback setup, implementing the SLF4J SPI.","status":"active","version":"1.9.0","language":"ruby","source_language":null,"source_url":"https://github.com/dekellum/rjack","tags":["logging","jruby","logback","slf4j","java"],"install":[{"cmd":"gem install rjack-logback","lang":"bash","label":"gem install"},{"cmd":"# Gemfile\ngem 'rjack-logback', '~> 1.9.0'","lang":"ruby","label":"Gemfile"}],"dependencies":[],"imports":[{"symbol":"RJack::Logback","correct":"require 'rjack-logback'"}],"quickstart":{"code":"require 'rjack-logback'\n\nRJack::Logback.configure do |config|\n  config.level = :info\n  config.appender :stdout, pattern: '%d %-5p %c: %m%n'\nend\n\nlogger = RJack::Logback[MyClass]\nlogger.info('Application started')","lang":"ruby","description":"Configure and use Logback logging in JRuby"},"warnings":[{"fix":"Ensure you are using JRuby (jruby -S gem install rjack-logback).","message":"Requires JRuby to function; does not work on MRI/CRuby.","severity":"breaking","affected_versions":">= 0.0.0"}],"env_vars":null,"search_vec":"'facad':13 'implement':18 'java':6,26 'jrubi':12,23 'librari':8 'log':7,22 'logback':2,5,16,24 'packag':3 'programmat':15 'provid':10 'rjack':1 'setup':17 'slf4j':20,25 'spi':21","created_at":"2026-06-18T04:45:18.249791+00:00","updated_at":"2026-06-18T04:45:18.249791+00:00","problems":[],"ecosystem":"rubygems","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"http://rjack.gravitext.com/logback","github":"https://github.com/dekellum/rjack","docs":"http://www.rubydoc.info/gems/rjack-logback/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["logging","observability"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-18","next_check":"2026-12-15","install_tag":null}}