Robetti Rogerio on JAVAPRO International

Open J Proxy 0.5.0-beta — The Caching and Read/Write Splitting Release

Mon, 22 Jun 2026 12:00:02 +0000

When we shipped 0.4.0-beta, the core value of Open J Proxy was already clear: a database control plane for Java applications that lets you scale dozens of application instances without overwhelming your database, because the server — not the application — owns and controls the real connection pools. What 0.5.0-beta adds on top of that foundation is two features that take the pressure off the database even further. The first is query result caching: the ability to answer repeated SELECT queries directly from memory without touching the database at all. The second is read/write splitting: the ability to automatically route reads to replica databases and leave the primary free for writes. Together, they advance OJP’s role as a full database control plane — governing not just connections but query results, routing decisions, and admission under load.

Open J Proxy 0.4.0-beta: Flexibility, Observability, and a Big Step Toward Production

Tue, 17 Mar 2026 12:00:01 +0000

By Rogerio Robetti – OJP Founder and Lead Developer

Every few releases a project crosses a threshold where the changes stop being incremental and start reshaping how the system can be used.
Open J Proxy 0.4.0-beta is one of those releases.

This version touches nearly every layer of OJP: integration with popular Java frameworks, observability, security, extensibility, and developer tooling. The result is a release that makes OJP easier to integrate, easier to operate, and far more flexible internally.

Open J Proxy v0.3.0-beta: The High-Availability, Multinode, Cross-Language Leap Forward

Wed, 17 Dec 2025 12:00:01 +0000

By Rogerio Robetti - OJP Founder and Lead Developer
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The Open J Proxy (OJP) project has been busy—very busy. How busy? Try more than a hundred files changed, thousands of lines of code, and enough new distributed-systems machinery to make even seasoned architects clutch their coffee mugs in awe. If the previous v0.2.0-beta release was OJP discovering its superpowers, then v0.3.0-beta is OJP joining the Avengers.

In this article, we’ll walk through the most important enhancements, explain what they mean for Java developers, and crack a few jokes along the way (strictly at the expense of flaky servers).

Open J Proxy 0.2.0 Beta — Bringing Freedom, Control, and Intelligence to Database Connections

Wed, 29 Oct 2025 12:00:02 +0000

By Rogerio Robetti, founder of Open J Proxy (OJP)
(Open source project — Apache 2.0 licensed)

🚀 Rethinking the Way Java Talks to Databases

Every Java developer has fought the same battle at some point — an app scaling beautifully on the application side, only to hit a wall when the database can’t keep up. Connection storms, resource starvation, slow queries hogging pools, unresponsive services.
We’ve all been there.

Open J Proxy (OJP) was born to solve exactly that.

🚀 Open J Proxy (OJP) 0.1.1-beta: Databases Deserve a Bodyguard

Mon, 15 Sep 2025 12:00:02 +0000

Dublin — Today marks a milestone for Java developers everywhere: the first beta release of Open J Proxy (OJP), version 0.1.1-beta, is live. And it’s not just another JDBC wrapper. OJP is here to play bodyguard for your database, keeping it cool and collected while your applications scale like there’s no tomorrow.

Licensed under Apache 2.0, OJP is free, open, and ready for the community to hack, test, and push forward.

Open J Proxy (OJP) – Origins

Mon, 11 Aug 2025 12:59:05 +0000

By Rogerio Robetti

“How a nagging question, some downtime, and a touch of guilt led to an open-source project to make JDBC smarter.”

🚦 Chapter 1: The Seed of a Problem

The idea behind Open J Proxy (OJP) started growing in my mind way back in 2018 or 2019, during my time at a large credit card provider corporation. We were gearing up for a big shift: transitioning systems into microservices. Exciting stuff—but as we all know, excitement often walks hand-in-hand with complexity.