This indicates an attack attempt to exploit a Path Traversal vulnerability in Oracle Endeca Information Discovery Integrator ETL Server.
The vulnerability is due to insufficient sanitizing of user supplied inputs in the application when handling crafted HTTP requests. A remote attacker can exploit this to gain unauthorized access to sensitive information via a crafted HTTP request.
Oracle Endeca Information Discovery Integrator ETL Server 3.1.1 and prior
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.
Apply the most recent upgrade or patch from the vendor.