iI am new to Java Enterprise and i desperately need help folks

Just got myself Netbeans ide 5.0 and follow the quickstart guide to develop the sample app but i could not deploy it i keep gettingn the following error

pre-init:

init-private:

init-userdir:

init-user:

init-project:

do-init:

post-init:

init-check:

init-macrodef-javac:

init-macrodef-nbjpda:

init-macrodef-debug:

init:

deps-jar:

deps-j2ee-archive:

init:

deps-jar:

compile:

library-inclusion-in-manifest:

dist-ear:

init:

deps-module-jar:

deps-ear-jar:

init:

deps-jar:

compile:

library-inclusion-in-manifest:

dist-ear:

deps-jar:

library-inclusion-in-archive:

library-inclusion-in-manifest:

Created dir: C:\Documents and Settings\Rocky\PRACTICE\CustomerBook\build\temp

Expanding: C:\Documents and Settings\Rocky\PRACTICE\CustomerBook\CustomerBook-ejb\dist\CustomerBook-EJBModu le.jar into C:\Documents and Settings\Rocky\PRACTICE\CustomerBook\build\temp

Deleting directory C:\Documents and Settings\Rocky\PRACTICE\CustomerBook\build\temp

compile:

compile-jsps:

do-ear-dist:

dist-ear:

pre-pre-compile:

pre-compile:

do-compile:

post-compile:

compile:

pre-dist:

do-dist-without-manifest:

do-dist-with-manifest:

Building jar: C:\Documents and Settings\Rocky\PRACTICE\CustomerBook\dist\customerbook.ear

post-dist:

dist:

run-deploy:

Starting server Sun Java System Application Server

Distributing C:\Documents and Settings\Rocky\PRACTICE\CustomerBook\dist\customerbook.ear to [localhost:4848_server]

Start registering the project's server resources

Finished registering server resources

Cannot deploy. Module already exists. Set force=true for redeployment.; requested operation cannot be completed

C:\Documents and Settings\Rocky\PRACTICE\CustomerBook\nbproject\build-impl.xml:219: Deployment error:

The module has not been deployed.

See the server log for details.

BUILD FAILED (total time: 1 minute 44 seconds)

[2159 byte] By [enrogel2000@yahoo.co.uk] at [2007-11-26 7:36:01]
# 1
Well... Do what the error message suggested - use force=true - this will ensure that all previous versions of your app. will be safely undeployed and a brand new one will be deployed.You can also go directly to appserver's admin console and undeploy the problematic module from
Sultal at 2007-7-6 19:35:55 > top of Java-index,Application & Integration Servers,Application Servers...