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Azure 函数应用返回 502 Bad Gateway

转载 作者:行者123 更新时间:2023-12-04 21:33:03 29 4
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当我在主插槽上运行 HTTP 触发功能应用程序时,收到以下错误消息:

 Status: 502 Bad Gateway
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"/>
<title>502 - Web server received an invalid response while acting as a gateway or proxy server.</title>
<style type="text/css">
<!--
body{margin:0;font-size:.7em;font-family:Verdana, Arial, Helvetica, sans-serif;background:#EEEEEE;}
fieldset{padding:0 15px 10px 15px;}
h1{font-size:2.4em;margin:0;color:#FFF;}
h2{font-size:1.7em;margin:0;color:#CC0000;}
h3{font-size:1.2em;margin:10px 0 0 0;color:#000000;}
#header{width:96%;margin:0 0 0 0;padding:6px 2% 6px 2%;font-family:"trebuchet MS", Verdana, sans-serif;color:#FFF;
background-color:#555555;}
#content{margin:0 0 0 2%;position:relative;}
.content-container{background:#FFF;width:96%;margin-top:8px;padding:10px;position:relative;}
-->
</style>
</head>
<body>
<div id="header"><h1>Server Error</h1></div>
<div id="content">
<div class="content-container"><fieldset>
<h2>502 - Web server received an invalid response while acting as a gateway or proxy server.</h2>
<h3>There is a problem with the page you are looking for, and it cannot be displayed. When the Web server (while acting as a gateway or proxy) contacted the upstream content server, it received an invalid response from the content server.</h3>
</fieldset></div>
</div>
</body>
</html>

但是当我尝试使用相同的代码创建新的插槽和功能应用程序时,它工作正常,没有出现上述错误。我们的主插槽配置似乎存在问题,但我找不到任何资源来指出它。

还有其他人遇到过这个问题吗?你怎么修好它的?

最佳答案

当我将对象从 MongoDB(通过 Mongoose 方法:Model.find())直接发送到响应时,我遇到了这个问题。

          Claim.find()
.then(claims => {
context.res = {
status: 200,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: claims
};
context.done();
})

我必须将此body对象更改为:

          Claim.find()
.then(claims => {
context.res = {
status: 200,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.parse(JSON.stringify(claims))
};
context.done();
})

关于Azure 函数应用返回 502 Bad Gateway,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/46583621/

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