code:
log4js.shutdown(() => { process.exit(1); });

Error:
log4js.fileAppender - Writing to file ../logs/ABC.log, error happened Error: write after end
at writeAfterEnd (/node_modules/readable-stream/lib/_stream_writable.js:288:12)
at RollingFileStream.Writable.write (/node_modules/readable-stream/lib/_stream_writable.js:332:20)
at Function.app.shutdown (node_modules/log4js/lib/appenders/file.js:69:12)
at appenders.filter.forEach.a (/node_modules/log4js/lib/log4js.js:273:52)
at Array.forEach (native)
at Object.shutdown (/node_modules/log4js/lib/log4js.js:273:37)
at process.exitHandler (XYZ.js:130:12)
at emitOne (events.js:96:13)
at process.emit (events.js:188:7)
at process.exit (internal/process.js:146:15)