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

Last updated on APRIL 12, 2022

Applies to:

Oracle Healthcare Foundation - Version 8.2 and later
Information in this document applies to any platform.


On Oracle Healthcare Foundation (OHF) 8.2 version

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

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(
at oracle.sysman.oii.oiix.OiixJarClassLoader.loadClass(
at oracle.sysman.oii.oiix.OiixJarClassLoader.loadClass(
at oracle.sysman.oii.oiix.OiixJarResourceBundle.extractBundle(
at oracle.sysman.oii.oiis.OiisLibraryLoader.<init>(
at oracle.sysman.oii.oiis.OiisQueryLibLoader.<init>(
at oracle.sysman.oii.oiic.OiicPullSession.getLibLoader(

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.... "


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