现象: 编写了REST接口: [ServiceContract] public interface IService1 { [OperationContract] [WebInvoke(UriTemplate = "/TestMethod", Method = "POST", BodyStyle = WebMessageBodyStyle.Bare, RequestFormat = WebMessageFormat.Json )] string TestMethod…

part of Hypertext Transfer Protocol -- HTTP/1.1RFC 2616 Fielding, et al. 10 Status Code Definitions Each Status-Code is described below, including a description of which method(s) it can follow and any metainformation required in the response. 10.1 I…

一.Hadoop环境配置概述 三台虚拟机,操作系统为:Ubuntu 16.04. Hadoop版本:2.7.2 NameNode:192.168.72.132 DataNode:192.168.72.135,192.168.72.136 注:具配置过程,不具备介绍了,网上很多. 二.eclipse(JAVA)环境配置概述 操作系统:Windows 10 eclipse版本:Mars.2 Release (4.5.2) 1.hadoop-eclipse-plugin-2.7.2.jar组件放plu…

问题 公司项目H5调用接口遇到Response for preflight has invalid HTTP status code 405这样的错误,是使用PUT方式提交请求接口.Content-Type设置为application/json,JS代码如下: $.ajax({ type: "PUT", url: "http://172.16.200.84:8977/Messages?sessionId=ee876bfbtest", data:data, befor…

转自:http://www.cnblogs.com/SilenceTom/p/6697484.html 调用接口遇到Response for preflight has invalid HTTP status code 405这样的错误,是使用PUT方式提交请求接口.Content-Type设置为application/json,JS代码如下: $.ajax({ type: "PUT", url: "http://172.16.200.84:8977/Messages?ses…

爬取豆瓣电影top250,出现以下报错: 2018-08-11 22:02:16 [scrapy.core.engine] INFO: Spider opened 2018-08-11 22:02:16 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min) 2018-08-11 22:02:16 [scrapy.extensions.telnet]…

Server Information Revealed For the benefit of those who land here through a google/bing search:: Here's the summary of steps: Step 1: Create a class that derives from IHttpModule (and IDisposable to clean up when we're done): public class MyCustomMo…

在此,非常感谢 “完美风暴4” 的无私共享经验的精神    在Python爬虫爬取网站时,莫名遇到 浏览器中General显示  Status Code: 304 NOT MODIFIED 而在requests请求时出现403被拦截的情况.下面转自 “完美风暴4” 的博客解决办法. 在python写爬虫的时候,html.getcode()会遇到403禁止访问的问题,这是网站对自动化爬虫的禁止,要解决这个问题,需要用到python的模块urllib2模块 urllib2模块是属于一个进阶的爬虫抓取…

本博客属原创文章,欢迎转载!转载请务必注明出处:http://guoyunsky.iteye.com/blog/649737       本博客已迁移到本人独立博客: http://www.yun5u.com/        欢迎加入Heritrix群(QQ):109148319,10447185  , Lucene/Solr群(QQ) :  118972724 以前在做Web开发的时候就接触过一些HttpStatus Code,比如404,500.后来接触Heritrix之后才知道HttpSt…

http 302 http 303 Http 302 302是一个普通的重定向代码.直观的看来是,请求者(浏览器或者模拟http请求)发起一个请求,然后服务端重定向到另一个地址.而事实上,服务端仅仅是增加一条属性到header,location=重定向地址.而一般的,浏览器会自动的再去请求这个location,重新获取资源.也就是说,这个会使得浏览器发起两次请求. Example Client request: GET /index.html HTTP/1.1 Host: www.example…