Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 152 503错误,详细教您网页出现503错误怎么解决
- 分类：win8 发布时间： Warning: Use of undefined constant newstime - assumed 'newstime' (this will throw an Error in a future version of PHP) in /data/www.zhuangjiba.com/web/e/data/tmp/tempnews1.php on line 156 2018年07月07日 10:24:02
不知道各位经常使用电脑的朋友是否经常会遇到电脑网页错误提示呢，最近就有网友在使用网页时遇到错误503，其实错误503是一种HTTP状态码，它与404是同属一种网页状态出错码，那么遇到错误503应该如何解决呢?下面，小编就来跟大家讲解网页出现503错误的解决经验。
503是一种HTTP状态码。英文名503与404是同属一种网页状态出错码。两者的区别是：前者是服务器出错的一种返回状态，后者是网页程序没有相关结果后返回的一种状态，那么遇到503服务暂时不可用应该怎么办呢？下面，小编给大家分享网页出现503错误的解决经验。
网页出现503错误怎么解决
进WIN2008服务器，打开IIS，找到常出503错误的应用程序池，选中该程序池，下图阴影部分的程序池便是选中的应用程序池。
网页电脑图解-1
选中应用程序池后，选择右边的高级设置，打开应用程序池高级设置。
503电脑图解-2
在应用程序池高级设置中，找到回收选项，禁用重叠回收一项选择ture，这样可以创建一个工作进程之前退出现有工作进程。
网页电脑图解-3
设置好回收后，接下来设置快速故障。找到”服务不可用“响应类型，默认为httplevel,如果是改响应类型，在应用程序池停止时则返回HTTP503错误。
503错误电脑图解-4
所以我们应当把”服务不可用“响应类型设置成TcpLevel，设置成改响应类型，http.sys操作系统核心组件会重置连接。
网页电脑图解-5
修改了故障防护，我们来修改队列长度，默认为1000，如果队列长度超过1000，新请求将收到503服务器不可用的响应。所以我们必要的时候要增大请求队列，我们可以设置成1500或2000.
503电脑图解-6
设置完应用程序池后，接下来设置IIS输出缓存，默认没有设置，设置之后，网站缓存会保存下来，用户请求的时候不会重新加载。
网页错误电脑图解-7
进入输出缓存界面，添加缓存规则，文件扩展名根据自己需求设置，可以使.html，可以是.aspx等等。勾选用户模式缓存与内核模式缓存，点击确定。
网页错误电脑图解-8
设置完IIS输出缓存后，接下来设置HTTP响应标头，点击网站右侧的HTTP响应标头。
503电脑图解-9
进入HTTP响应标头设置页面后，然后点击右侧的【设置常用标头】。
503电脑图解-10
进入【设置常用HTTP响应头】界面，勾选使WEB内容过期，选择【之后】，时间要多设置一些，我设置成了一年365天，点击确定，设置完成。
网页电脑图解-11
以上就是网页出现503错误的解决技巧。
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