Logicmonitor Service - result Error 503 Backend fetch failed
The url works fine, but the LogicMonitor Service gives the following error.
Any idea how I can resolve this issue?
HTTP/1.1 503 Backend fetch failed
X-Cache: False
Strict-Transport-Security: max-age=600; includeSubDomains
Retry-After: 5
Connection: close
Content-Length: 286
Content-Security-Policy-Report-Only: default-src 'self'; script-src 'self' https://ssl.google-analytics.com https://ajax.googleapis.com 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' https://ssl.google-analytics.com http://download.microsoft.com http://go.microsoft.com;report-uri /report
Date: Thu, 26 Oct 2017 17:52:38 GMT
Content-Type: text/html; charset=utf-8
Cache-control: private
Response Content:
<!DOCTYPE html>
<html>
<head>
<title>503 Backend fetch failed</title>
</head>
<body>
<h1>Error 503 Backend fetch failed</h1>
<p>Backend fetch failed</p>
<h3>Guru Meditation:</h3>
<p>XID: 141689664</p>
<hr>
<p>Varnish cache server</p>
</body>
</html>
