You can look here:
Release of JRE 1.7.0_25 & 1.6.0_51 and Impact on Oracle Forms (Doc ID 1563023.1)
and check this:
JDK 7u25 release introduces the
codebase attributes in the JAR Manifest File. These attributes are used to verify that the application is requesting the correct permissions level and is accessed from the correct location. See Preventing the Repurposing of an Application document.
Developers are advised to utilize at least the new
permissions attribute, and if possible the
codebase attribute as well. In future releases, applications that do not include these protections may be blocked or subjected to additional warning dialogs.