node.js报错的相关内容

问答 2016-03-11 来自：开发者社区

nodejs中css，js加载的问题，报错如图，用了fs.readFile就没事了，为啥？

//加载静态文件，结果加载css，js的时候会报错 function static_server_file(file,res){ var rs = fs.createReadStream(file); var contents; console.log(content_type(file)); res.writeHead(200,{'Content-Type':c...

问答 2016-02-26 来自：开发者社区

node用express和mongodb开发多人博客报错，什么原因？

`var settings = require('../settings'),Db = require('mongodb').Db, Connection = require('mongodb').Connection, Server = require('mongodb').Server;module.exports = new Db(settings.db,new Server(settin....

问答 2016-02-13 来自：开发者社区

node.js用express连接MySQL报错

初学node，用express写了一个测试脚本想连接数据库查询数据。代码如下：但是浏览器打开http://localhost:3000/hello后，显示的是failed同时，xshell里面看到的日志是这样的：说明数据库连接是成功的？！可是按理说查询成功的话会执行回调函数也就是说isok会变成'ok'啊

问答 2016-02-08 来自：开发者社区

nodejs爬网页的时候报错：(libuv) kqueue(): Too many open files in system

主要代码：db_operation.db_getUrl('appsIndex_China', function(results){var arr = [], length = results.length; for(var i = 0; i })length大概是1w6，应该是request的地址太多了，求问该怎么解决？跪谢！baidu+google了一下，说要改系统最大打开的文件数，但...

文章 2012-03-05 来自：开发者社区

Hibernate中报错——node to traverse cannot be null

出现这种问题是因为HQL语句出现问题，引起内部查询对象为空，无法处理为空值引起的。有可能是在update Student s set s.name = "xy" ,set.age = 25 where s.num = 01 这样的更新hql语句中少了逗号“,”。所以一旦出现这种错误，查hql语句。

共有165条

< 1 ... 13 14 15 16 17 >

跳转至： GO

更新时间 2024-10-17 18:27:13

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

node.js更多报错相关

node.js您可能感兴趣

产品推荐

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"iconImg":"https://img.alicdn.com/tfs/TB1JWN9qggP7K4jSZFqXXamhVXa-200-200.png","ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","title":"Node.js 性能平台","des":"Node.js 性能平台（Node.js Performance Platform）是面向中大型 Node.js 应用提供 性能监控、安全提醒、故障排查、性能优化等服务的整体性解决方案。提供完善的工具链和服务，协助客户主动、快速发现和定位线上问题。","btn1":"申请开通","link1":"https://common-buy.aliyun.com/?spm=5176.179584.935956.btn1.6bd0276eYr3tGs&commodityCode=npp#/open","contentLink":"https://www.aliyun.com/product/nodejs","btn2":"产品文档","link2":"https://help.aliyun.com/product/60298.html?spm=5176.179584.935956.btn2.6bd0276eYr3tGs","infoGroup":[{"infoName":"入门指导","infoContent":{"firstContentName":"产品快速入门","firstContentLink":"https://help.aliyun.com/knowledge_detail/60338.html?spm=5176.179584.935963.2.6bd0276eYr3tGs","lastContentName":"常见问题","lastContentLink":"https://help.aliyun.com/knowledge_detail/60418.html?spm=5176.179584.935963.3.6bd0276eYr3tGs"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"内存泄露案例","firstContentLink":"https://help.aliyun.com/document_detail/64011.html?spm=a2c4g.11174283.6.570.159030b1bBdKke"}},{"infoName":"产品动态","infoContent":{"firstContentName":"产品最新动态","firstContentLink":"https://www.aliyun.com/product/news?spm=5176.179584.1266814.211view.6bd0276eYr3tGs&category=233&product=261"}}],"btn3":""}],"card":[],"search":[],"infoCard":[],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"iconImg":"https://img.alicdn.com/tfs/TB1JWN9qggP7K4jSZFqXXamhVXa-200-200.png","ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","title":"Node.js 性能平台","des":"Node.js 性能平台（Node.js Performance Platform）是面向中大型 Node.js 应用提供 性能监控、安全提醒、故障排查、性能优化等服务的整体性解决方案。提供完善的工具链和服务，协助客户主动、快速发现和定位线上问题。","btn1":"申请开通","link1":"https://common-buy.aliyun.com/?spm=5176.179584.935956.btn1.6bd0276eYr3tGs&commodityCode=npp#/open","contentLink":"https://www.aliyun.com/product/nodejs","btn2":"产品文档","link2":"https://help.aliyun.com/product/60298.html?spm=5176.179584.935956.btn2.6bd0276eYr3tGs","infoGroup":[{"infoName":"入门指导","infoContent":{"firstContentName":"产品快速入门","firstContentLink":"https://help.aliyun.com/knowledge_detail/60338.html?spm=5176.179584.935963.2.6bd0276eYr3tGs","lastContentName":"常见问题","lastContentLink":"https://help.aliyun.com/knowledge_detail/60418.html?spm=5176.179584.935963.3.6bd0276eYr3tGs"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"内存泄露案例","firstContentLink":"https://help.aliyun.com/document_detail/64011.html?spm=a2c4g.11174283.6.570.159030b1bBdKke"}},{"infoName":"产品动态","infoContent":{"firstContentName":"产品最新动态","firstContentLink":"https://www.aliyun.com/product/news?spm=5176.179584.1266814.211view.6bd0276eYr3tGs&category=233&product=261"}}],"btn3":""}],"card":[],"search":[],"infoCard":[],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}}