how to inslall GlassFish in the WinXP

i think my classpath of jdk is right, when i install the GlassFish ,i can check out the page http://localhost:8080,but i cann't check out the pagehttp://localhost:4848why?
[193 byte] By [luoyea] at [2007-11-26 17:51:30]
# 1
It is possible that port 4848 was in use at the time of installation, and as the result alternative port has been assiged. Check domains/domain1/config/domain.xml file to make sure admin listener is indeed running on that port.
Snjezanaa at 2007-7-9 5:04:01 > top of Java-index,Enterprise & Remote Computing,Enterprise Technologies...