Development Package migration

Question

Hi,
I know I've two many threads for today. But, it's really urgent.
I have a question.
We've made a development package on the ABAP Workbench under the SAP R/3.
Then later we installed a new ERP ECC 6.0 system.
Unfortunately, when we migrated the hole package to the new system. It says that our package it's no originally made in this system and we could only update the package with some strange funktions like update and delete and whatever.
My question would it be, what should I do to make the package seems like it has been done on the new system?
-> The only solution that I could find that I must do it manually and this's gone take ages.
Unfortunately, I must do it manually because we have a  namespace now and everything should contain the namespace. It's the worstest thing that I had ever expected.
How could SAP didn't think about that or am I really underqualified, considere that I'm only a student and am writing too much because it made me out of me when I lose too many time doing nothing.
I really excuse my bad english but when someone speak over four languages, he lose(the reality) the simple things that everyone knows i.e. orthographe and syntax.
Thinks anyway,
Best Regards,
Kais Kara

Answer 1

Hello,
I'm very new to the java and msca. I created the three files and compile them but get error with the last two files
CustomTestPage.java: I have three errors
cannot find symbol
symbol : class CustomTestFListener
location: package xxx.custom.server
import xxx.custom.server.CustomTestFListener;
symbol : class CustomTestFListener
location: class xxx.custom.server.CustomTestPage
new CustomTestFListener();
symbol : class CustomTestFListener
location: class xxx.custom.server.CustomTestPage
CustomTestFListener fieldListener =
CustomTestFListener.java: has 2 errors
symbol : class CustomTestPage
location: class xxx.custom.server.CustomTestFListener
CustomTestPage pg;
symbol : class CustomTestPage
location: class xxx.custom.server.CustomTestFListener
pg = (CustomTestPage)ses.getCurrentPage();
Please let me know step by step on how to create the package and compile it. Thank you very much.
PhuTri