OCW

Grid Infrastructure: Bye Tomcat – welcome Micronaut

Anil Nair wrote it in his MAA Blog Post on April 28: “Oracle is simplifying the software stack by replacing Apache Tomcat application server with Micronaut framework.”. And since some of you asked already, let me give you a bit more information about this change in 19.30 and 19.31 with Grid Infrastructure: Bye Tomcat – welcome Micronaut.

Grid Infrastructure: Bye Tomcat - welcome Micronaut

Photo by Hayrullah Gozcu on Unsplash – and I know, the jet in the picture isn’t an F-14 Tomcat 🙂

It happens automatically

At first, no action is needed from your side. This behavior change happens automatically.

It is the …

OCW 19.28 contains a tiny behavior change with DB_UNIQUE_NAME

Posted on March 18, 2026 by Mike.Dietrich Behavior Change OCW 0

A colleague brought this to my attention the other week. And since the blog serves also as my partial memory, I wanted to put this out quickly. It is not a big deal, and most of you will never see this or be affected by it. Still, some may need to be aware that OCW 19.28 contains a tiny behavior change with DB_UNIQUE_NAME.

OCW 19.28 contains a tiny behavior change with DB_UNIQUE_NAME

Photo by Anton Ryazanov on Unsplash

What has happened?

In the Oracle Clusterware (OCW) Release Update (RU) 19.28 and onward you will find a fix for Bug 34966087 – AH: CRS: FAIL START ACTION IF DB …

OCW25 – Pre-Event Training: Mastering Oracle 23ai Upgrades

Posted on July 15, 2025 by Mike.Dietrich OCW OOW Workshop 0

Time flies so quickly. Soon we’ll get together again in Las Vegas for Oracle Cloud World 2025. This year, it will be in October where hopefully it’s a few degrees colder (or less hot) than in early September last year. And as in the past years, we’ll do at OCW25 – Pre-Event Training: Mastering Oracle 23ai Upgrades.

OCW25 - Pre-Event Training: Mastering Oracle 23ai Upgrades

Photo by Heather Gill on Unsplash

Will our pre-event training be different this year?

Of course, we won’t do the same training as we did in 2024. It will be a different training set with plenty of different exercises. …

OCW24: Upgrade, Migrations and Patching to Oracle Database 23ai

Posted on August 14, 2024 by Mike.Dietrich OCW OOW 0

Oracle Cloud World 2024 is near – in hot Las Vegas. Luckily, the hotel and conference areas are all air-conditioned. Good thing: You have another reason to enjoy the cold inside, and come to our talks and labs. Let me give you a quick overview, why we are so much looking forward to see you at OCW24: Upgrade, Migrations and Patching to Oracle Database 23ai sessions, labs and more.

Photo by Isaac Davis on Unsplash

Pre-Event Training: Multitenant Upgrade 23ai

You can book yourself a full-day pre-conference training on Monday, September 9. We’ll host a small group of …

Oracle Cloud World 2024 in London

Posted on March 7, 2024 by Mike.Dietrich OCW OOW Workshop 0

Next week it’s Oracle Cloud World 2024 in London. And I hope to see you there. It is a perfect spot to get the latest tech updates but also to meet and synch and discuss.