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OMS startup messages: unable to load callback function (Doc ID 759287.1)

Last updated on JANUARY 06, 2020

Applies to:

Enterprise Manager Base Platform - Version 10.1.0.2 to 10.2.0.4 [Release 10.1 to 10.2]
Information in this document applies to any platform.
This problem can occur on any platform.

Symptoms

When trying to start the OMS using the opmnctl or emctl utilities, the following messages appear:

Module <module_name>: unable to load callback function <function_name>

For example:

$ opmnctl startall
opmnctl: starting opmn and all managed processes...
Loading Module libopmnoc4j callback functions
Module libopmnoc4j: loaded callback function opmnModInitialize
Module libopmnoc4j: unable to load callback function opmnModSetNumProcs
Module libopmnoc4j: unable to load callback function opmnModParse
Module libopmnoc4j: loaded callback function opmnModHelp
Module libopmnoc4j: unable to load callback function opmnModDepend
Module libopmnoc4j: loaded callback function opmnModStart
Module libopmnoc4j: unable to load callback function opmnModReady

Cause

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In this Document
Symptoms
Cause
Solution
References

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