Ondro Mihalyi

Ondro Mihalyi

Ondro is a software developer and consultant. He’s passionate about helping his clients and the wider Java community with their projects based on Jakarta EE and similar technologies. He's a core member of several opensource projects and Jakarta EE specification projects. He’s a frequent conference speaker, leader of the Czech JUG and a Java Champion.

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GlassFish 8.0.2 Released: With important security fixes, other improvements, and commercial support

Table of Contents Security fixesStability and other ImprovementsComponent upgradesConclusion – GlassFish is a platform you can trustOmniFish - Jakarta EE experts The latest version of Eclipse GlassFish 8.0.2 was released on May 5, 2026, with fixes for several critical vulnerabilities. It ...

Eclipse GlassFish: This Isn’t Your Father’s GlassFish

Table of Contents The Myth of the Unsupported, Non-Production ServerKey Differences: Eclipse GlassFish vs. Oracle GlassFishWhat’s New in Eclipse GlassFish 7.0 and BeyondJakarta EE 11 and MicroProfile SupportA New Era for Embedded GlassFishPerformance and Security at the CoreLearn More About Modern …

GlassFish 8 is here with Jakarta EE 11, virtual threads, and Jakarta Data

Table of Contents What makes GlassFish 8 modern and developer-friendlyThe story of Jakarta Data in GlassFish 8The story of virtual threads support in GlassFish 8GlassFish 8 beyond Jakarta EE 11Production-ready and supportedDive deeper The final version of Eclipse GlassFish 8 …

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New Features in Jakarta EE 11, with Examples

Table of Contents Jakarta EE 11 is a major update in the enterprise Java world. It offers key changes that enhance developer productivity and modernize the platform.Key Features of Jakarta EE 11Jakarta Data: Simplified Data AccessWhat is Jakarta Data?Jakarta Data Code ExamplesUpdated …

Performance Best Practise No. 1: Optimize Database Operations

Table of Contents How GlassFish helps with improving database performanceConnection pool configurationJDBC batchingJakarta Persistence (JPA) batchingNext Steps Database operations are a very critical part of most applications in regards of performance. There are multiple reasons why database operations can significantly …

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10 Best Practises For Jakarta EE Performance Optimization

Table of Contents Quick ComparisonSecrets of Performance Tuning Java on Kubernetes by Bruno BorgesNext Steps With this article, we start a series where we compiled 10 best practices for performance optimizations and suggestions how to implement them using Jakarta EE & Eclipse GlassFish. Enjoy …

Supercharge Your Jakarta EE Skills with These Must-Read Guides

Table of Contents Getting Started with Jakarta EE1. How to Start with Servlets2. How to Build a RESTful Web Service3. How to Store and Retrieve Data Using Jakarta Persistence4. How to Secure a RESTful Web ServiceUnderstand the Specs Behind the Scenes5. …

Jakarta EE 11 Web Profile Released, Enabled by Eclipse GlassFish

Table of Contents Key Technical Changes in Jakarta EE 11 Web ProfileGlassFish: The first compatible implementation for Jakarta EE 11 Web ProfileOmniFish Engineering ContributionsWhat’s Coming: GlassFish 8OmniFish – Jakarta EE experts The Jakarta EE 11 Web Profile has officially been released on March 30, …

Reflections on 2024: A Remarkable Year for OmniFish, GlassFish, Piranha, and Jakarta EE

From expanding the OmniFish team to pushing the boundaries of what GlassFish and Piranha can do, this year has been nothing short of transformative. Let’s take a look back at some of the highlights and share our hopes for an even brighter future.

GlassFish
Issues with old GlassFish server? Upgrade to Eclipse GlassFish!

Table of Contents Jakarta EE Standardization and FlexibilityCompatibility with new Java versionsEnhanced Security with Modern ProtocolsSupport for HTTP/2, REST and JSON EnhancementsCloud-Native Readiness and ContainerizationConclusion Rely on hardened and production-ready Eclipse GlassFish 7 or newer. Benefit from key feature updates and …

GlassFish is rolling forward. What’s New?

The Evolution Continues. GlassFish, which used to be a popular application server, free to use and reliable, is evolving again. If you’ve been holding onto your old GlassFish instances, there’s good news—things have gotten a lot more exciting recently. Since we …

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