运行nodejs Server时出现此错误
Error: Not Found
at C:\wamp\www\scope-leads-node-master\MyApp\app.js:30:13
at Layer.handle [as handle_request] (C:\wamp\www\scope-leads-node-master\MyApp\node_modules\express\lib\router\layer.js:95:5)
at trim_prefix (C:\wamp\www\scope-leads-node-master\MyApp\node_modules\express\lib\router\index.js:312:13)
at C:\wamp\www\scope-leads-node-master\MyApp\node_modules\express\lib\router\index.js:280:7
at Function.process_params (C:\wamp\www\scope-leads-node-master\MyApp\node_modules\express\lib\router\index.js:330:12)
at next (C:\wamp\www\scope-leads-node-master\MyApp\node_modules\express\lib\router\index.js:271:10)
at C:\wamp\www\scope-leads-node-master\MyApp\node_modules\express\lib\router\index.js:618:15
at next (C:\wamp\www\scope-leads-node-master\MyApp\node_modules\express\lib\router\index.js:256:14)
at Function.handle (C:\wamp\www\scope-leads-node-master\MyApp\node_modules\express\lib\router\index.js:176:3)
at router (C:\wamp\www\scope-leads-node-master\MyApp\node_modules\express\lib\router\index.js:46:12)
var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var routes = require('./routes/index');
var users = require('./routes/users');
var app = express();
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');
// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/', routes);
app.use('/users', users);
// catch 404 and forward to error handler
app.use(function(req, res, next) {
var err = new Error('Not Found');
err.status = 404;
next(err);
});
// error handlers
// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: err
});
});
}
// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: {}
});
});
module.exports = app;
3 回答
最后,它正在发挥作用 . 我仍然在http://localhost:3000看到"not found"错误 . 但一切都很好 . 我用另一台电脑来做这件事 . 刚刚做了以下几点 .
nodejs,git服务器应该已经安装在我们的机器上 .
嗯,这是你在你写的中间件中传递的错误(第30行):
此代码只是在每个HTTP请求上传递错误,您应该将其注释掉 .
我也得到了同样的错误,并在搜索答案时找到了这个帖子 .
在这里,我分享你应该解决这个错误的方式 .
1)首先注释掉处理404错误的行 .
2)现在重新加载你的页面,你会看到类似的东西
3)理解:404或Not Found错误消息是标准HTTP响应代码,用于指示客户端能够与给定服务器通信,但服务器无法找到所请求的内容 . 它现在说缺少的资源在路线“/(某些路线)” .
4)处理错误
如果它是一个网页,问题是“/(某些路由)”在〜/ routes /目录的JS文件中找不到 . 您可能忘记处理该路线或可能是一个错字或其他东西 . 妥善处理 .
如果它是资源,请确保资源存在于项目的上述路径中 .