Internal Server Error:
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, root@localhost and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.
Apache/2.2.3 (Red Hat) Server at <hostname> port 80
 

Analysis:

• RSA Identity Governance & Lifecycle  is accessible by directly logging into the server with:

• There are no errors in the server.log or the aveksaServer.log.
• /etc/sysconfig/iptables has the correct settings.
• SiteMinder is used for SSO login.
• The SiteMinder log file located in /var/log/httpd/error_log is full of these errors:

[30/Apr/2017:04:02:27] [Error] [CA WebAgent IPC] [3505] [CSmSem::SemWait] 
Error performing decrement operation on semaphore 19267598 - Invalid argument (22)
[30/Apr/2017:04:02:27] [Info] [CA WebAgent IPC] [3505] [CSmSem::getSem] 
Attempted to attach to non-existent semaphore with key 0x6690874a
[30/Apr/2017:04:02:27] [Error] [CA WebAgent IPC] [3505] [CSmNamedMutex::Lock] 
Error reinitializing mutex with key base 0x66
[30/Apr/2017:04:02:27] [Error] [CA WebAgent IPC] [3505] [CSmSem::SemWait] 
Error performing decrement operation on semaphore 19070984 - Invalid argument (22)
[30/Apr/2017:04:02:27] [Info] [CA WebAgent IPC] [3505] [CSmSem::getSem] 
Attempted to attach to non-existent semaphore with key 0x6b90874a
[30/Apr/2017:04:02:27] [Error] [CA WebAgent IPC] [3505] [CSmNamedMutex::Lock] 
Error reinitializing mutex with key base 0x6b
[30/Apr/2017:04:02:27] [Error] SiteMinder Agent
        PID Cache error.
        Failed to read PID Cache