This indicates an attempt to exploit a format string vulnerability in Oracle TimesTen server.
The vulnerability is caused by an error that occurs when the vulnerable software handles a malicious command received from clients. It allows a remote attacker to cause a crash of the vulnerable software by sending a crafted http request.
Oracle TimesTen prior to version 220.127.116.11.0.
Denial of Service: Remote attackers can cause vulnerable systems to crash.
Refer to the vendor's web site for suggested workground: