Communication error with the OPMN server local port


root@aza # ./opmnctl startall

opmnctl: starting opmn and all managed processes...
Communication error with the OPMN server local port.
Check the OPMN log files
Communication error with the OPMN server local port.
Check the OPMN log files
Communication error with the OPMN server local port.
Check the OPMN log files
Communication error with the OPMN server local port.
Check the OPMN log files
Communication error with the OPMN server local port.
Check the OPMN log files
Communication error with the OPMN server local port.
Check the OPMN log files
Communication error with the OPMN server local port.
Check the OPMN log files
Communication error with the OPMN server local port.
Check the OPMN log files
Communication error with the OPMN server local port.
Check the OPMN log files
Communication error with the OPMN server local port.
Check the OPMN log files
Communication error with the OPMN server local port.
Check the OPMN log files
Communication error with the OPMN server local port.
Check the OPMN log files
opmnctl: opmn start failed
Solution:
The issue is due to port conflict and can be fixed by editing "opmn.xml" file located in yourOHS_INSTANCE_DIR\config\OPMN\opmn location. Edit the port value 6700 and 6701 in below line to some other value and try restarting the instance and it should work.
<port local="6700" remote="6701"/>

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