小编use*_*908的帖子

尝试将 Passport.js 用于 linkedins oauth 协议（passport-linkedin-oauth2），我遇到这个问题：运行“节点服务器”时，出现以下错误：

  PATH/node_modules/express/lib/router/index.js:139
  debug('dispatching %s %s', req.method, req.url);
  TypeError: Cannot read property 'method' of undefined

这是我的 server.js 文件：

const express = require('express');
const bodyParser = require("body-parser");
const path = require('path');
const passport = require('passport');
const session = require("express-session");
const app = new express();
const os = require('os');
const keys = require('./keys.js');
const listrategy = require('passport-linkedin-oauth2').Strategy;
require('events').EventEmitter.defaultMaxListeners = 15;
const PORT = process.env.PORT || 4000;

app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(express.static("public"));

const INDEX = path.join(__dirname, 'index.html');
const …