This indicates an attack attempt against a remote Cross Site Request Forgery vulnerability in Oracle GlassFish Server.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application which allows a remote attacker to upload a "WAR" archive to the system. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application.
Oracle GlassFish Server 3.1.1 (build 12)
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the latest update from the vendor.