Web sites and other distributed, multi-user systems present unique challenges for concurrent access to shared state. In this post we'll take a look at a simple strategy (with one big gotcha) for achieving distributed resource synchronization in the Spring JPA environment. Case Study: Volunteer…

Aka: Old-REST - Shootout at the 200 OK Canal Open-source software (OSS) is free and, for the larger projects, well supported by the developer community. These traits are often reason enough for a developer to find an OSS project that fits their needs, drop it into their POM file, and essentially…

Until my arrival at SourceClear, the Java Persistence API (JPA) is one technology (along with the Spring Framework) I inadvertently avoided using with in my career, despite working for 15 years on consumer websites with large relational data models. I consider this a blessing and a curse. The delay…

Compared to the splashy, paradigm-shifting introduction of Lambda expressions and streams, default interface methods entered the picture with decidedly less fanfare when Java 8 launched last spring. Indeed, the language feature barely registers in Google trends (in fact I had to artificially expand…