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Tuesday, September 29, 2015

502 Bad Gateway while accessing /libs/cq/security/userinfo.json via telnet after upgrading to Adobe Experience Manager(AEM) 6.1

502 Bad Gateway while accessing /libs/cq/security/userinfo.json via telnet after upgrading to Adobe Experience Manager(AEM) 6.1

We were using /libs/cq/security/userinfo.json url in BIG-IP via telnet to check the staus of the server(heartbeat check of Adobe Experience Manager(AEM) servers) to control the availablity of servers in BIG-IP.

This is working fine in Adobe Experience Manager(AEM) 5.6.1 but it stopped working after upgrading AEM to 6.1(the server status is down in BIG-IP even though the server is up).

The same URL is working fine using wget,curl command and also from browsers, only not working via telnet(This issue is only via dispatcher but it is working fine directly with publisher)

Trying 10.xxx.xxx.xxx...
Connected to 10.xxx.xxx.xxx.
Escape character is '^]'.
GET /libs/cq/security/userinfo.json
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>502 Bad Gateway</title>
</head><body>
<h1>Bad Gateway</h1>
<p>The proxy server received an invalid
response from an upstream server.<br />
</p>
<hr>
<address>Apache/2.2.15 (Oracle) Server at xxxxxxxxxxx Port 80</address>
</body></html>
Connection closed by foreign host.

The actual root cause of the issue is the dispatcher module is not upgared as per the requirement.

The issue got resolved after upgrading the dispatcher module to latest version 4.1.10.

bash-3.2$ telnet 10.xxx.xxx.xxx 80
Trying 10.xxx.xxx.xxx...
Connected to 10.xxx.xxx.xxx.
Escape character is '^]'.
GET /libs/cq/security/userinfo.json
{"userID":"anonymous","userName":"anonymous","userName_xss":"anonymous","home":"/home/users/a/anonymous","impersonated":false,"allowedApps":[],"preferences":{}}
Connection to 10.xxx.xxx.xxx closed by foreign host.







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