This indicates an attack attempt against an Information Disclosure vulnerability in CA ARCserve D2D.
CA ARCserve D2D is vulnerable to malicious POST requests to "homepageServlet",
containing the "getLocalHost" message.
CA ARCserve D2D r15 GWT version r15.0
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.
Apply the latest patch or update from the vendor.