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Port Conflict between Grid Agent and Opmn with Error:"snmehl_allocateListenerPort: failed to bind socket: Address already in use" (Doc ID 444727.1)

Last updated on OCTOBER 27, 2023

Applies to:

Oracle Fusion Middleware - Version to [Release AS10gR2]
Oracle Application Express (APEX) - Version 1.6 and later
Information in this document applies to any platform.


Oracle Express is assigned by default an opmn local port 6100 while installation.

This opmn local port 6100 is observed having many connection threads in TIME_WAIT state, opmn process takes much resources and reserves many ports as well.

The following errors can be seen when trying to start up the Grid Control Agent simultaneously with Oracle Express opmn.


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