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<!DOCTYPE html><html class="theme-next gemini use-motion" lang="zh-Hans"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1"><meta name="theme-color" content="#222"><meta http-equiv="Cache-Control" content="no-transform"><meta http-equiv="Cache-Control" content="no-siteapp"><link href="/lib/fancybox/source/jquery.fancybox.css?v=2.1.5" rel="stylesheet" type="text/css"><link href="/lib/font-awesome/css/font-awesome.min.css?v=4.6.2" rel="stylesheet" type="text/css"><link href="/css/main.css?v=5.1.3" rel="stylesheet" type="text/css"><link rel="apple-touch-icon" sizes="180x180" href="/images/apple-touch-icon-next.png?v=5.1.3"><link rel="icon" type="image/png" sizes="32x32" href="/images/favicon.ico?v=5.1.3"><link rel="icon" type="image/png" sizes="16x16" href="/images/favicon.ico?v=5.1.3"><link rel="mask-icon" href="/images/logo.svg?v=5.1.3" color="#222"><meta name="keywords" content="Hadoop, Hive, Spark, HBase , MySQL, Java, 大数据"><link rel="alternate" href="/atom.xml" title="Changfei's Tech Blog" type="application/atom+xml"><meta name="description" content="404"><meta property="og:type" content="website"><meta property="og:title" content="Changfei's Tech Blog"><meta property="og:url" content="http://www.coderfei.com/404.html"><meta property="og:site_name" content="Changfei's Tech Blog"><meta property="og:description" content="404"><meta property="og:locale" content="zh-Hans"><meta property="og:updated_time" content="2018-11-20T02:07:46.675Z"><meta name="twitter:card" content="summary"><meta name="twitter:title" content="Changfei's Tech Blog"><meta name="twitter:description" content="404"><script type="text/javascript" id="hexo.configurations">var 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