Sun GlassFish Enterprise Server v3 includes the following file layout changes from previous releases:
The default installation directory is as follows:
Solaris, Linux, and Mac OS X systems: user's-home-directory/glassfishv3
Windows systems: SystemDrive:\glassfishv3
A glassfish subdirectory has been added, with other subdirectories underneath.
Product libraries have moved from glassfish/lib to glassfish/modules.
An osgi directory has been added.
A designated directory for legal files has been added. License and copyright files are now in glassfish/legal.
Sun GlassFish Message Queue is installed in a top-level directory instead of a subdirectory.
Java DB is installed in a top-level directory instead of a subdirectory.