The Administration Console provides a graphical interface for administrative functions. If the Administration Console is not accessible, check the following:
For more information about the Administration Console, see Administration Console in Oracle GlassFish Server 3.0.1 Administration Guide.
The server must be running before the Administration Console can be accessed.
Review the information in Did the Server Start? to determine if the server is running.
The default port number for the Administration Console is 4848. However, it could be running on a different port number than expected, either because it was intentionally installed there, or because that port was in use when the server was started.
Refer to Was the Server Started at the Expected Port? for guidelines on verifying the port on which the Administration Console is running. Be sure to enter the correct port number and HTTP protocol when invoking the Administration Console.