Error: While starting the replicate process the process failed with following error on view report.

OGG-00446 Unable to lock file "dirchk/rbext1.cpr" (error 11, Resource temporary unavailable). Lock currently held by process id (PID) 7052.

On checking on linux machine, we are not find the process id with PS command

ps -ef|grep 7052

No process found

For release of lock, which comes from OS end:

-- go the file location
cd dirchk 
-- rename it
mv RBEXT1.cpr  RBEXT1.cpr_bkp
cp RBEXT1.cpr_bkp RBEXT1.cpr
-- lock is released by this way

Start the replicat process again in golden gate.