OIM 11gr2 ps3 oim_blkld.sh ERROR => ojdbc5.jar missing from lib directory

this is known issue when running oim_blkld.sh command to load users or roles
to fix this find ojdbc5.jar at your machine(this jar file be a lot of places)

at linux use below command to find this jar file
$locate ojdbc5.jar

past it under /lib

cp ojdbc5.jar <IAM_HOME>/server/db/oim/oracle/Utilities/oimbulkload/lib

rerun the utility. it should work now.