If your using oracle apps 188.8.131.52 version then Follow the following steps :
1. If you have not installed OAF Jdeveloper 9i follow the fist file steps
2. Now download the xxClrDept.rar file
3. continue the second file to deploy the sample OAF project page in Oracle apps.
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Oracle oaf jdeveloper 9i [installing and deploying] 2013-03-28
Oracle oaf jdeveloper 9i [installing and deploying]