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UnsupportedClassVersionError Trying To Start OC4J Container (Doc ID 438331.1)

Last updated on OCTOBER 22, 2021

Applies to:

Oracle Containers for J2EE - Version to [Release AS10g to AS10gR2]
Information in this document applies to any platform.
This problem can occur on any platform.


When attempting to start my OC4J container using opmn it fails to start and the following error (java.lang.UnsupportedClassVersionError) appears in the  Oracle Application Server OPMN log file for the container.



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