const log4js = require('../lib/log4js'); log4js.configure({ appenders: { 'console-appender': { type: 'console', layout: { type: 'pattern', pattern: '%[[%p]%] - %10.-100f{2} | %7.12l:%7.12o - %[%m%]', }, }, }, categories: { default: { appenders: ['console-appender'], enableCallStack: true, level: 'info', }, }, }); log4js.getLogger().info('This should not cause problems');