OHF 8.2 Data Model Upgrade Failed With "Bad version number in .class file occurred" (Doc ID 2862261.1)

Last updated on FEBRUARY 02, 2024

Applies to:

Symptoms

On Oracle Healthcare Foundation (OHF) 8.2 version

When attempting to install OHF 8.2 Data Model, the following error occurs.

ERROR
-----------------------
Exception java.lang.UnsupportedClassVersionError: Bad version number in .class file occurred..
java.lang.UnsupportedClassVersionError: Bad version number in .class file
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at oracle.sysman.oii.oiix.OiixJarClassLoader.loadClassCurrent(OiixJarClassLoader.java:584)
at oracle.sysman.oii.oiix.OiixJarClassLoader.loadClass(OiixJarClassLoader.java:646)
at oracle.sysman.oii.oiix.OiixJarClassLoader.loadClass(OiixJarClassLoader.java:731)
at oracle.sysman.oii.oiix.OiixJarResourceBundle.extractBundle(OiixJarResourceBundle.java:357)
at oracle.sysman.oii.oiis.OiisLibraryLoader.<init>(OiisLibraryLoader.java:119)
at oracle.sysman.oii.oiis.OiisQueryLibLoader.<init>(OiisQueryLibLoader.java:42)
at oracle.sysman.oii.oiic.OiicPullSession.getLibLoader(OiicPullSession.java:4513)

STEPS
-----------------------
The issue can be reproduced at will with the following steps:

1. Start OHF 8.2 Data Model upgrade installer
2. After the installer welcome screen, "Specify Home Details" screen asked to enter "Name" as in"HC_Home1" and "Path" for the "Data Model Home" folder > Next
3. Inserted the OLD OHF version "Data Model Home" folder. > Next
4. The following error window pop-out by Universal Installer.
    Abnormal Program Termination . An internal error has occurred. Please provide the flowing to Oracle Support.
    "</Base Folder>/OraInventory/logs/installActions<Date-time>.log
     </Base Folder>/OraInventory/logs/installActions<Date-time>.err
     </Base Folder>/OraInventory/logs/installActions<Date-time>.out.... "

Cause

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