Arkadiusz Przychocki

Systems Engineer | High-Performance Java (Zero-Copy / Panama / Loom) | Founder of Exeris

Jakarta EE 11: Beyond the Era of Java EE

This user guide provides a brief history of Java EE/Jakarta EE and a detailed overview of some of the specifications that will be updated in Jakarta EE 11.

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What do you know about the code changes that were just introduced into the codebase? When will you notice if something goes wrong?

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Why I Banned ThreadLocal from the Exeris Kernel (And What Replaced It)

Table of Contents The Forensic Analysis: The 3 Sins of ThreadLocal1. The Spaghetti State (Unconstrained Mutability)2. The Memory Leak Trap (Unbounded Lifetime)3. The Inheritance Tax (The RAM Killer)The Missing Link: Structured Concurrency IncompatibilityExhibit A: The Zero-Waste Solution (JEP 506)The ScoreboardExhibit ...

May 28 923

Arkadiusz Przychocki

Java

JavaPro JEPs

Retweet on Twitter Foojay.io Retweeted

If you want to know what I spoke about in @jcon_conference in Germany, here's an interview I did at the @foojayio podcast:

#Java #JCON #JakartaEE #AI #A2A

02:06 PM · May 04, 2026

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Our team loves to meet and talk with the Java community from around the world. If you want to learn more. You can find all OmniFish presentations at: https://speakerdeck.com/omnifish, including links to the source code of related demos. Or get in touch for a free consultation call.

10:13 AM · April 30, 2026

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Another happy customer :)
"Their expertise and flexible hands-on troubleshooting support accelerated resolution of several unexpected hurdles and ultimately got us to a successful upgrade outcome."

If you would like to discuss how we could help your company, get in touch.

09:55 AM · April 21, 2026