错误:请求实体太大

我收到以下错误与快递:

Error: request entity too large
    at module.exports (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/node_modules/raw-body/index.js:16:15)
    at json (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/json.js:60:5)
    at Object.bodyParser [as handle] (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/bodyParser.js:53:5)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:193:15)
    at Object.cookieParser [as handle] (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/cookieParser.js:60:5)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:193:15)
    at Object.logger (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/logger.js:158:5)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:193:15)
    at Object.staticMiddleware [as handle] (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/middleware/static.js:55:61)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:193:15)
TypeError: /Users/michaeljames/Documents/Projects/Proj/mean/app/views/includes/foot.jade:31
    29| script(type="text/javascript", src="/js/socketio/connect.js")
    30| 
  > 31| if (req.host='localhost')
    32|     //Livereload script rendered 
    33|     script(type='text/javascript', src='http://localhost:35729/livereload.js')  
    34| 

Cannot set property 'host' of undefined
    at eval (eval at <anonymous> (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:152:8), <anonymous>:273:15)
    at /Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:153:35
    at Object.exports.render (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:197:10)
    at Object.exports.renderFile (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:233:18)
    at View.exports.renderFile [as engine] (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/jade/lib/jade.js:218:21)
    at View.render (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/lib/view.js:76:8)
    at Function.app.render (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/lib/application.js:504:10)
    at ServerResponse.res.render (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/lib/response.js:801:7)
    at Object.handle (/Users/michaeljames/Documents/Projects/Proj/mean/config/express.js:82:29)
    at next (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/lib/proto.js:188:17)

POST /api/0.1/people 500 618ms

我用的是meanstack。我有以下使用语句在我的express.js

//Set Request Size Limit
app.use(express.limit(100000000));

在fiddler中，我可以看到内容长度头的值为:1078702

我想这是八位字节，这是1.0787兆字节。

我不知道为什么express不让我发布json数组，我之前在另一个express项目中发布，该项目没有使用平均堆栈项目结构。

当前回答

在我的例子中，问题出在Nginx配置上。为了解决这个问题，我必须编辑文件:/etc/nginx/nginx.conf，并在服务器块中添加这一行:

client_max_body_size 5M;

重新启动Nginx，问题就消失了

sudo systemctl restart nginx

2018-09-18 08:33:56

其他回答

此问题在两种情况下发生:

请求体太大，服务器无法处理这么大的数据。这个就可以了

app.use(express.json({limit: '50mb'}));

2- req.cookies is too large. When testing different next.js applications on the same browser, each time each app was starting on a different port if there were running some apps. Same app might end up starting at port 3000-3005 range. That means if your app saves cookie, that cookie will be saved for each port. Let's say you started 5 different apps at localhost:3000, and each one saved a cookie. If you make a request, all the cookies will be attached to the request object, in this case you will not able to process even small size of post.body. Solution is you have to delete all the cookies

2022-12-03 06:17:22

在我的例子中，从请求头中删除Content-type是有效的。

2019-09-17 04:56:40

我也面临着这个问题，我犯了一个愚蠢的错误，重复了app.use(bodyParser.json())，如下所示:

app.use(bodyParser.json())
app.use(bodyParser.json({ limit: '50mb' }))

通过删除app.use(bodyParser.json())，解决了这个问题。

2019-08-02 06:03:54

对于快递~4.16.0，快递。Json与限制直接工作

app.use(express.json({limit: '50mb'}));

2019-01-14 08:42:39

在尝试了这篇文章中的一切之后，我都没有成功。但我找到了一个适合我的解决办法。我可以在不使用body解析器的情况下只使用express来解决它。它是这样的:

const express = require('express');    

const app = express();
app.use(express.json({limit: '25mb'}));
app.use(express.urlencoded({limit: '25mb', extended: true}));

不要忘记使用extended: true从控制台中删除已弃用的消息。

2021-04-29 19:47:50

错误:请求实体太大

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