unhandled error event

[vasantvaniya]

events.js:174 throw er; // Unhandled 'error' event ^

Error: listen EADDRINUSE: address already in use :::22222 at Server.setupListenHandle [as _listen2] (net.js:1280:14) at listenInCluster (net.js:1328:12) at Server.listen (net.js:1415:7) at Server.listen.Server.attach (/root/haxRat/server/node_modules/socket.io/lib/index.js:273:9) at new Server (/root/haxRat/server/node_modules/socket.io/lib/index.js:59:17) at Function.Server [as listen] (/root/haxRat/server/node_modules/socket.io/lib/index.js:44:41) at Object. (/root/haxRat/server/index.js:29:20) at Module._compile (internal/modules/cjs/loader.js:778:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10) at Module.load (internal/modules/cjs/loader.js:653:32) Emitted 'error' event at: at emitErrorNT (net.js:1307:8) at process._tickCallback (internal/process/next_tick.js:63:19) at Function.Module.runMain (internal/modules/cjs/loader.js:834:11) at startup (internal/bootstrap/node.js:283:19) at bootstrapNodeJSCore (internal/bootstrap/node.js:623:3) root@Sanju:~/haxRat/server# ls app assets clientData includes index.js maindb.json node_modules package.json package-lock.json
root@Sanju:~/haxRat/server# node index.js
events.js:174 throw er; // Unhandled 'error' event ^

Error: listen EADDRINUSE: address already in use :::22222 at Server.setupListenHandle [as _listen2] (net.js:1280:14) at listenInCluster (net.js:1328:12) at Server.listen (net.js:1415:7) at Server.listen.Server.attach (/root/haxRat/server/node_modules/socket.io/lib/index.js:273:9) at new Server (/root/haxRat/server/node_modules/socket.io/lib/index.js:59:17) at Function.Server [as listen] (/root/haxRat/server/node_modules/socket.io/lib/index.js:44:41) at Object. (/root/haxRat/server/index.js:29:20) at Module._compile (internal/modules/cjs/loader.js:778:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:789:10) at Module.load (internal/modules/cjs/loader.js:653:32) Emitted 'error' event at: at emitErrorNT (net.js:1307:8) at process._tickCallback (internal/process/next_tick.js:63:19) at Function.Module.runMain (internal/modules/cjs/loader.js:834:11) at startup (internal/bootstrap/node.js:283:19) at bootstrapNodeJSCore (internal/bootstrap/node.js:623:3)