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Problem: Sun's Java Runtime Engine (JRE) is Certified with EBS 11i & 12
Solution:
Oracle JInitiator was originally released as a licenced version of Sun's Java client back when specific features were required to support Oracle Forms. This was particularly necessary for E-Business Suite Forms-based functionality, since the E-Business Suite pushed the envelope of what Forms and Java could do collectively from a user interface perspective.
Sun has since incorporated all of the enhancements needed to support Oracle Forms into their native Sun Java Runtime Engine plug-in. This eliminates the need for Oracle to package its own Java client just for running Oracle Forms-based applications.
To convert your E-Business Suite environment from JInitiator to the native Sun Java plug-in, see:
• Upgrading Sun J2SE (Native Plug-in) with Oracle Applications 12.0 for Windows Clients(Metalink Note 393931.1)
• Upgrading Sun J2SE (Native Plug-in) with Oracle Applications 11i for Windows Clients (Metalink Note 290807.1)
Benefits of Switching to the Sun Java Client
The elimination of Oracle JInitiator simplifies your desktop administration environment. Apps DBAs who have migrated their users to the native Sun JRE no longer have to struggle with compatibility and coexistence problems between JInitiator and other Java runtime clients on the same desktop.
Minimizing Risks of Switching from JInitiator to Sun Java Clients
The majority of customers switching from Oracle JInitiator to the Sun Java Runtime Engine have experienced minimal issues with this conversion. However, some customers have reported problems, some rather painful. Problems typically fall into the following categories:
1. Missing prerequisite E-Business Suite patches or configuration steps
2. Known issues, e.g. focus-related problems
3. Conflicts with legacy Java-based application requirements
I strongly recommend a careful review of the Notes above, to ensure that you don't miss any prerequisites or configuration steps. We document all of the known issues in the respective Notes for Oracle E-Business Suite Release 11i and 12. We also update our Notes regularly whenever we find new JRE-related compatibility issues with the E-Business Suite.
Some of you might have legacy Java-based applications that require earlier Java clients. Those legacy applications might only be certified with an old Java release like 1.4.x, and will not work with later JRE releases such as 1.5 or 1.6. Oracle doesn't have much guidance on third-party Java application compatibility, naturally, so your best option in those situations would be to lobby your legacy application vendor to upgrade their certifications to include the latest Java clients.
Sun has changed the options for handling multiple Java plug-ins through their "Classic Java Plug-in" and "Next-generation Java Plug-in" technologies. Handling your requirements for multiple Java plug-ins will vary based upon the JRE versions installed and your default corporate browsers. If you have multiple Java clients installed on the same Windows desktop, I would strongly recommend that you review the "Static vs. Non-Static Versioning and Set-Up Options" appendices in either Note 290807.1 or 393931.1.
If you're encountering issues with your EBS conversion to use the Sun Java client, you might find the following document useful:
• Diagnosing Forms Mouse Focus Problems using JRE in Release 11i (Note 760250.1)
Minimum JRE Versions Required for E-Business Suite
Apps 11i was originally certified with Oracle JInitiator to run Oracle Forms-based content. Apps 11i is now certified with the native Sun Java Runtime Engine plug-in. Apps 11i end-users can use JRE releases on either of the following version levels:
• JRE 1.5.0_13 and higher
• JRE 1.6.0_03 and higher
Apps 12 was certified only with the native Sun Java Runtime Engine. Oracle JInitiator is not certified or supported with Apps 12.
EBS Compatibility and Support for Future JRE Releases
E-Business Suite end-users can upgrade their JRE clients whenever Sun releases a new JRE release on either the 1.5 or 1.6 versions. EBS users do not need to wait for Oracle to certify new JRE 1.5 or 1.6 plug-in updates with the E-Business Suite.
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