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UnsupportedClassVersionError Trying To Start OC4J Container (Doc ID 438331.1)

Last updated on OCTOBER 19, 2018

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.
***Checked for relevance on 22-Aug-2013***
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.

07/05/07 15:22:30 java.lang.UnsupportedClassVersionError: com/ice/jcvsweb/action/JCVSContextListener (Unsupported major.minor version 49.0)
07/05/07 15:22:30 at java.lang.ClassLoader.defineClass0(Native Method)
07/05/07 15:22:30 at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
07/05/07 15:22:30 at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
07/05/07 15:22:30 at com.evermind.util.OC4JSecureClassLoader.defineClassEntry(OC4JSecureClassLoader.java:172)
07/05/07 15:22:30 at com.evermind.naming.ContextClassLoader.defineClass(ContextClassLoader.java:1154)
07/05/07 15:22:30 at com.evermind.naming.ContextClassLoader.findClass(ContextClassLoader.java:390)
07/05/07 15:22:30 at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
07/05/07 15:22:30 at com.evermind.naming.ContextClassLoader.loadClass(ContextClassLoader.java:138)
07/05/07 15:22:30 at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
07/05/07 15:22:30 at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
07/05/07 15:22:30 at java.lang.Class.forName0(Native Method)
07/05/07 15:22:30 at java.lang.Class.forName(Class.java:219)
07/05/07 15:22:30 at com.evermind.server.http.HttpApplication.initDefaultServlets(HttpApplication.java:4890)
07/05/07 15:22:30 at com.evermind.server.http.HttpApplication.initDynamic(HttpApplication.java:701)
07/05/07 15:22:30 at com.evermind.server.http.HttpApplication.<init>(HttpApplication.java:497)
07/05/07 15:22:30 at com.evermind.server.Application.getHttpApplication(Application.java:886)
07/05/07 15:22:30 at com.evermind.server.http.HttpServer.getHttpApplication(HttpServer.java:688)
07/05/07 15:22:30 at com.evermind.server.http.HttpSite.initApplications(HttpSite.java:570)
07/05/07 15:22:30 at com.evermind.server.http.HttpSite.setConfig(HttpSite.java:263)
07/05/07 15:22:30 at com.evermind.server.http.HttpServer.setSites(HttpServer.java:259)

 

Cause

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In this Document
Symptoms
Cause
Solution


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