Az Aqua korszak margójára
Tegnap este nyolckor megrendeltem a cuccot, reggel negyed nyolckor ott volt az automatában. Ezzel kellett volna versenyezni…
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InvalidClassException: filter status: REJECTED
So, I recently upgraded from Java 8 and Wildfly 26 to Java 21 and Wildfly 38. Everything seemed fine… except for some weird stack traces that appeared a few times a day: This exception comes from Java’s deserialization filtering, introduced in newer Java versions and enforced more strictly in JDK 21. WildFly 38 may also
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Clickops
(noun): An IT practitioner who manages complex systems exclusively through web interfaces and wizards, proudly refusing to learn CLI commands because “the GUI is just easier, okay?” Known for creating production-critical infrastructure via a sequence of barely-recalled mouse clicks that can never, ever be reproduced again.
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Gitlab: saving artifacts on protected branches only
When working with GitLab CI/CD, sometimes you want to save job artifacts only for protected branches or tags, like main or release/*, while ignoring them on feature branches. It seems simple at first, but as I found out, GitLab’s YAML rules and artifact system have some tricky limitations, especially if you need it while the
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Here is the new Wildfly 38.0.1.Final… ehm… where?
So, the Renovate Bot created a PR about the Wildfly version update to 38.0.1.Final from 38.0.0.Final. Business-as-usual, like hundreds of PR before, the Gitlab’s pipeline started, and, its failed: Okay, it is also business-as-usual, there are changes that cause code that used to work to not work anymore, but it usually happens when a breaking
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Docker image for Android builds
I’ve been looking for a good and up-to-date Docker image for a while, one that can build Android apk and bundle files as part of a CI/CD pipeline, because the MobileDevOps team stopped updating their image a year and a half ago, their latest image version only supports the Android API level 34 and the
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Query queue depth in Wildfly
What do we want? To query how many messages (and scheduled messages) are in a JMS queue. How can we achieve this? The JMS API does not provide the ability or tools to do this, but we can query this data from Wildfly/JBoss CLI, so that, the information is present on runtime: However, if it
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Technical debt – paid
Finally, I’ve just upgraded the Wildfly v26.0.1 (released on January 21, 2022) to Wildfly v38.0.0 (released on October 16, 2025), under the hood of the Power of Planets project. There was a big and significant technical debt in the files that I’d been carrying for months – what months?! – years. The main reason was
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NAV: null másolata
Szóval adót akartam fizetni, a NAV Ügyfélportálon van lehetőség a korábbi fizetési csomag lemásolására: Nem jutottam messze, kaptam egy üres csomagot, aminek az a neve, hogy null másolata: Köszi, NAV. Nálatok nem szokás tesztelni? 🙂