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Unable to Start OPMN Managed Process (Doc ID 331969.1)

Last updated on MAY 24, 2023

Applies to:

Oracle Fusion Middleware - Version to [Release AS10g to AS10gR2]
Oracle Containers for J2EE - Version to [Release AS10g to AS10gR2]
Information in this document applies to any platform.
Oracle Application Server 10g Enterprise Edition - Version: 9.0.4 to


An OPMN managed process, such as an OC4J instance,  isn't available and can't be stopped or started using "opmn" commands. "opmnctl status -l" shows the process as always being in a status of "Stop" and the functionality of the managed process isn't available. The ipm.log shows that OPMN is constantly trying to stop but never start the managed process.

For example, the OC4J_SECURITY isn't available and accessing SSO related pages from the browser results in the following error being returned to the browser:



The server may have failed and rebooted unexpectedly resulting in all the OPMN managed processes that were running before the server crash having died abnormally.


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