# File lib/thin/server.rb, line 149 def start raise ArgumentError, 'app required' unless @app log ">> Thin web server (v#{VERSION::STRING} codename #{VERSION::CODENAME})" debug ">> Debugging ON" trace ">> Tracing ON" log ">> Maximum connections set to #{@backend.maximum_connections}" log ">> Listening on #{@backend}, CTRL+C to stop" @backend.start end