I downloaded and installed ILM 1.2 on a 11gR1 enterprise database(Solaris64).
I was able to install and access the APEX 3.0.1 application.
I am using the Enabled Gateway method.
I did enable the Network Services for 11g as required.
I set the port within APEX to 8080 using the exec command in the install APEX doc.
Even though the ILM assistant install was successful, I still cannot login with the ADMIN account and I get the error "Unauthorized".
For ILM the 7777 or 7778 port does not do anything but the 8080 port does bring the windows icon for login(ADMIN).
You are right,the document is not accurate,the same problem to me.
The tool also have some problem,it can't work though you can login.
I think you must have tested the software,the caculation of cost is wrong.
About cost calculation :
I create a table to test the tool.
There are very few data,and no partition,and the index column is time_id(date),
sometime,the result is "I can save -100$",I think it's impossible.