How To Upgrade to Jakarta EE 10 and GlassFish 7

Upgrading to Jakarta EE 10 from an older version of Jakarta EE or Java EE can be a bit tricky and may require some extra attention to detail. One of the main things you may encounter is making sure your existing code and libraries are compatible. Some libraries may still be using the javax package, which can cause conflicts when trying to run your applications on a Jakarta EE server like Eclipse GlassFish 7. You might also run into problems with some deprecated APIs that were removed in Jakarta EE 10. 

But don’t worry; there are automation tools to help you with the upgrade and examples of how to use them, which I created in the OmniFish GitHub repository.

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