Author Archives: George Valentin Voina

#SpringBoot : Create a conditional Spring Boot Bean only if asked by an external configuration, not using @Conditional #Java

By | September 7, 2022

Usually Spring Boot beans are created automatically before the application start and autowired as needed. What if we need to create a Spring bean only if some configuration file requires it. This way of writing code is very useful when trying to write highly configurable enterprise applications where you want to be able what components… Read More »

Learn #banking, #fintech and #payments jargon: Payment V-Mode advantages

By | July 25, 2022

As I mentioned in a previous post usually there are two channels of sending payments to a Real Time Gross Settlement System: using a VPN network that connects all the participant financial institutions to the RTGS . using a 3rd party network like SWIFT that connects all the participant financial institutions to the RTGS Bellow… Read More »

#Bash one liner: Remove all occurrences of a tag block from an XSD or XML file using #sed #xmlstarlet

By | April 1, 2022

Sometimes you get some XLS schemas that are full of additional annotations and comments you want strip. Annotations and comments are nice but annoying when trying to compare two incremental versions of some schema and try to pin point just the differences. Bellow there is a script used to remove all comments and the <xs:annotation>… Read More »

#Optimize #Jboss EAP 7.x embedded #Artemis messaging server for high volumes

By | February 23, 2022

There are several configurations that will prepare the embedded Jboss EAP 7.x Artemis messaging server for a production environment with high volumes. The following is a non exhaustive list of optimizations I discovered during several performance tests. Most of the settings is assumed that are done from jboss-cli. Disable client pre-fetch of messages: This will… Read More »