Understanding Oracle JInitiator 1.3.1.22: Legacy Compatibility and Modern Alternatives
If the client-side system must use JInitiator 1.3.1.22 to access an un-upgradable backend, isolate the application via virtualization. Host the legacy browser and JInitiator inside a restricted Citrix session, VMware ThinApp container, or an isolated Microsoft Hyper-V virtual machine with no external internet access. oracle jinitiator 1.3.1.22 download
You may also need to manually update the certdb.txt file in the \lib\security folder of the installation to fix certificate errors. Why it was Used Understanding Oracle JInitiator 1