Sun Java System Web Server 6.1 SP6 Programmer's Guide to Web Applications

Package Names Generated by the JSP Compiler

When a JSP is compiled, a package is created for it. The package name starts with _jsps, and each path name component of the JSP is prefixed with an underscore. For example, the generated package name for /myjsps/hello.jsp would be _jsps._myjsps.