Last week I was installing oracle 11gR2.
There were row zip files:
First time they were extracted in two different folder Disk1 and Diks2.
Then all the contents of one folder were copied to another folder.
Under this condition I started my installation.
After some time i got an error like
File not found .......... WFMLRSVCApp.ear
I stopped installation and tried as below:
Without unzipping into two different folders I copied those two installation zip files to a single folder and unzip them in the same folder as below:
At this time my installation was running perfectly.
thanks to link