Abstract This article is about the non-blocking HTTP-IO semantics for Java Application Server Middleware Instances. Non-Blocking HTTP-IO in the context of Asynchronous Request Processing was introduced with the JSR 315 (Servlet 3.0) specification back in 2009 (that is also part of JAX-RS 2.0) [1,2,3]. Its purpose is to increase the Read more
Abstract This best-practice article is about analyzing and fixing potential concurrency issues in the Wildfly Java Application Server. Concurrency problems can cause headaches, but multi-threading and process synchronisation is not rocket science, nor witchcraft. In a deterministic machine everything has a cause. Symptoms Requests to a WebApp crashes the whole Read more
Abstract This article explains the basic concept behind a Frontend Server Architecture in a short paragraph. Goal of architecture Rebalance processing pressure in the presentation layer from light-weight Frontend clients towards more powerful server machines in a layered fashion. Divide and conquer (of responsibilities) is the basic approach behind the Read more
On March 12, 2020, Mainz hosted the Rhineland-Palatinate “Economic Dialogue on Blockchain,” a business framework conference on the topic of blockchain. I have captured a few impressions in the form of pictures. Overall, it becomes clear that Distributed Ledger Technology is increasingly being recognized by the public sector as an Read more