SSO - Accessing the managed server's monitors from admin server going to debug error page.
Troubleshooting Steps
1) Access the managed server's monitor and then go to the stderr.txt and check the below error print
sample error print:
[10 Jul 2018 10:48:26:847] SYS_ERR: [http-nio-8801-exec-6] ERROR
org.jasig.cas.CentralAuthenticationServiceImpl - ServiceTicket
[ST-33-AAkHj3T7mdKaxQVKHefo-cas01.example.org] with service [https://192.168.140.135:8024/showresource.do?resourceid=30000017&method=showResourceForResourceID&screenWidth=&selectedscheme=default&selectedSkin=Grey&proxy=true
does not match supplied service
[10 Jul 2018 10:48:26:847] SYS_ERR: [http-nio-8801-exec-6] INFO
com.github.inspektr.audit.support.Slf4jLoggingAuditTrailManager - Audit
trail record BEGIN
=============================================================
WHAT: ST-33-AAkHj3T7mdKaxQVKHefo-cas01.example.org
ACTION: SERVICE_TICKET_VALIDATE_FAILED
APPLICATION: CAS
WHEN: Tue Jul 10 10:48:26 IST 2018
CLIENT IP ADDRESS: 192.168.140.135
SERVER IP ADDRESS: 192.168.141.19
Solution:
if the above error is in the log then admin server having problem in resolving DNS of the managed server host name / IP Address. so admin server should be able to resolve the hostname / IP address of the managed server to resolve this issue
Workaround:
Host name / ip address of the managed server in admin server and host name / ip address of the managed server mentioned in the AMServer.properties of the managed server should be same.
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