events.js:141 throw er; // Unhandled 'error' event

这个是端口占用的问题

$ http-server dist
events.js:141
      throw er; // Unhandled 'error' event
      ^

Error: listen EADDRINUSE 0.0.0.0:8080
    at Object.exports._errnoException (util.js:870:11)
    at exports._exceptionWithHostPort (util.js:893:20)
    at Server._listen2 (net.js:1234:14)
    at listen (net.js:1270:10)
    at net.js:1379:9
    at nextTickCallbackWith3Args (node.js:453:9)
    at process._tickCallback (node.js:359:17)
    at Function.Module.runMain (module.js:443:11)
    at startup (node.js:139:18)
    at node.js:968:3

检查端口

netstat -anp tcp | grep 3000


kill pid

或者指定非默认端口

http-server -p 8787

vue build后运行错误_编程