https://zimakov.net/tags/java/ Recent content in Java on Oleg Zimakov Hugo en-us Thu, 25 Jun 2026 00:00:00 +0000 https://zimakov.net/posts/apache-syncope-contributions/ Thu, 25 Jun 2026 00:00:00 +0000 https://zimakov.net/posts/apache-syncope-contributions/ A technical tour of Apache Syncope — its identity-management features, the tech stack, and the three-domain codebase layout — followed by a plain overview of the five fixes I landed upstream: notification context after delete, LDAP group preservation, a Jackson 3 regression, and audit search by who/username. https://zimakov.net/posts/modernizing-enterprise-java/ Mon, 09 Jan 2023 00:00:00 +0000 https://zimakov.net/posts/modernizing-enterprise-java/ A hands-on modernization story told through three demo repos: take a Java 8 / Java EE 8 EAR that you FTP onto a WildFly 13 server, and carry it — one commit at a time — to a Jakarta EE 10 image built with Galleon, secured with OpenID Connect, and deployed to OpenShift with Helm. With code from every step. https://zimakov.net/posts/quarkus-openshift-autoscaling-pi-load-test/ Wed, 30 Nov 2022 00:00:00 +0000 https://zimakov.net/posts/quarkus-openshift-autoscaling-pi-load-test/ Deploy a Quarkus app to OpenShift with one Maven command, give it a deliberately CPU-hungry endpoint that computes π, then drive it with k6 and watch the HorizontalPodAutoscaler add and remove pods under load. A small demo that shows the whole autoscaling loop end to end.