This indicates an attack attempt to exploit a Directory Traversal vulnerability in Oracle GlassFish Server.
The vulnerability is caused by an improper validation of user supplied data when the vulnerable application handles a maliciously crafted request. An attacker can exploit this to gain access to sensitive information in the context of the vulnerable application via a crafted request.
Oracle GlassFish Server 4.1 and prior
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.
Currently we are unaware of any vendor supplied patch for this issue