UnsupportedClassVersionError Trying To Start OC4J Container
(Doc ID 438331.1)
Last updated on FEBRUARY 13, 2024
Applies to:
Oracle Containers for J2EE - Version 9.0.4.0.0 to 10.1.2.0.0 [Release AS10g to AS10gR2]Information in this document applies to any platform.
This problem can occur on any platform.
Symptoms
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.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |