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java.lang.UnsupportedClassVersionError: JVMCFRE003 bad major version (Doc ID 2909070.1)

Last updated on MAY 11, 2023

Applies to:

Oracle REST Data Services - Version 20.4 to 21.4.3
Information in this document applies to any platform.

Symptoms

On : 20.4 version,

Unable to install the ords-20.4.3.050.1904 in weblogic server 10.3.6 where IBM JDK is set as JDK home

ERROR
-----------------------
$ java -jar ords.war install
Exception in thread "main" java.lang.UnsupportedClassVersionError: JVMCFRE003 bad major version; class=oracle/dbtools/jarcl/Entrypoint, offset=6
  at java.lang.ClassLoader.defineClassImpl(Native Method)
  at java.lang.ClassLoader.defineClass(ClassLoader.java:324)
  at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:155)
  at java.net.URLClassLoader.defineClass(URLClassLoader.java:714)
  at java.net.URLClassLoader.access$400(URLClassLoader.java:93)
  at java.net.URLClassLoader$ClassFinder.run(URLClassLoader.java:1166)
  at java.security.AccessController.doPrivileged(AccessController.java:492)
  at java.net.URLClassLoader.findClass(URLClassLoader.java:597)
  at java.lang.ClassLoader.loadClassHelper(ClassLoader.java:777)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:750)
  at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:329)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:731)
  at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:495)



Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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