Trying to start replicat in goldengate for big data , it is throwing the below error .

Hello Gurus ,

Trying to start replicat in goldengate for big data , it is throwing the below error .

GGSCI (Server_name) 12> ADD REPLICAT hdfs, EXTTRAIL ./dirdat/rt, CHECKPOINTTABLE dirchk/group.cpj

REPLICAT added.

GGSCI (Server_name) 13> info all

Program     Status      Group       Lag at Chkpt  Time Since Chkpt

MANAGER     RUNNING

REPLICAT    STOPPED     HDFS        00:00:00      00:00:08

GGSCI (Server_name) 2> start HDFS

Sending START request to MANAGER ...

ERROR: Cannot create process '<OGG_HOME>/replicat'. Cannot find executable file '<OGG_HOME>/replicat'

.

2020-07-09 19:39:04  WARNING OGG-01742  Command sent to MGR MGR returned with an ERROR response.