How can I resolve the following issue?
system: gulp npm windows
issue: ... Oh no. Encountered error listen EADDRINUSE 127.0.0.1:35729 ... Error: listen EADDRINUSE 127.0.0.1:35729 at Object._errnoException (util.js:1021:11) at _exceptionWithHostPort (util.js:1043:20) at Server.setupListenHandle [as _listen2] (net.js:1344:14) at listenInCluster (net.js:1385:12) at GetAddrInfoReqWrap.doListen [as callback] (net.js:1494:7) at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:100:10) events.js:182 throw er; // Unhandled 'error' event ^
Error: listen EADDRINUSE 127.0.0.1:8000
at Object._errnoException (util.js:1021:11)
at _exceptionWithHostPort (util.js:1043:20)
at Server.setupListenHandle [as _listen2] (net.js:1344:14)
at listenInCluster (net.js:1385:12)
at GetAddrInfoReqWrap.doListen [as callback] (net.js:1494:7)
at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:100:10)