OEM unable to discover Goldengate targets

OEM Version : 13.2 
OGG Version     : 12.2

My OEM has goldengate plugin already installed and the Jagent is installed on the Sserver where my Goldenagte processes are running and When trying to discover Goldengate Targets from 13c OEM its not able to discover and below are the messages i see in the Goldengate monitoring agent instance log

JAGENT_INSTANCE_HOME/logs $ tail -20f ogg_agent.log

[2019-01-02T13:11:51.868-05:00] [JAGENT] [ERROR] [OGGMON-20603] [com.goldengate.monitor.jagent.comm.ws.ManagerService] [tid: quickUpdates] [ecid: 0000MWFh2__1j^^5xV9DiW1SBFfa000004,0] RESTful Web Service with name mpoints has become unresponsive

[2019-01-02T13:11:53.578-05:00] [JAGENT] [ERROR] [OGGMON-20610] [com.goldengate.monitor.jagent.comm.ws.ManagerService] [tid: MessageCollector] [ecid: 0000MWFh1Nk1j^^5xV9DiW1SBFfa000001,0] Could not connect to Message Web Service. Query String: messages/last

[2019-01-02T13:11:53.578-05:00] [JAGENT] [ERROR] [OGGMON-20603] [com.goldengate.monitor.jagent.comm.ws.ManagerService] [tid: MessageCollector] [ecid: 0000MWFh1Nk1j^^5xV9DiW1SBFfa000001,0] RESTful Web Service with name messages/last has become unresponsive

[2019-01-02T13:11:53.595-05:00] [JAGENT] [ERROR] [OGGMON-20610] [com.goldengate.monitor.jagent.comm.ws.ManagerService] [tid: MessageCollector] [ecid: 0000MWFh1Nk1j^^5xV9DiW1SBFfa000001,0] Could not connect to Message Web Service. Query String: messages/last

FIX:

GGSCI (prod01.domain.com) 1> info datastore

2019-01-02T18:11:00Z  WARNING OGG-06307  Datastore does not exist.

GGSCI (prod01.domain.com) 4> info all

Program     Status      Group       Lag at Chkpt  Time Since Chkpt

MANAGER     RUNNING

JAGENT       RUNNING

EXTRACT    RUNNING     EXTPSTDB    00:00:00      00:00:00

EXTRACT    RUNNING     PMPUPDB    00:00:00      00:00:01

REPLICAT    RUNNING     REPTGDB      00:00:00      00:00:05

Stop all GG processes including mgr and jagent

Stop *

Stop mgr

Stop jagent

GGSCI (prod01.domain.com) 6> create datastore

Profile 'Trace' added.

2019-01-02T18:12:26Z  INFO    OGG-06489  Datastore created

Start mgr

Start jagent

Start *

GGSCI (prod01.domain.com) 1> info datastore

2019-01-02T18:20:08Z  INFO    OGG-06309  Datastore uses shared memory (SHM) environment files with a starting ID of 0x00000b00.

Now go to OEM and do the discovery again by adding GG discovery module parameters

Also Refer:

Not Able To Discover The Goldengate Targets On OEM12c (Doc ID 2277992.1)