Your Spring Boot app starts, H2 Console connects, but... where are the tables? Here's how to test if your H2 database is working and fix the most common issue: missing tables.
Your Spring Boot app won't start and you see a "database is locked" error. The culprit? Multiple instances of your application running simultaneously, all trying to access the same database file. Here's how to identify and fix this common problem.
Have you ever moved a Spring Boot project to a new location and suddenly faced mysterious dependency resolution errors, even though all your project files came with you? This article explains why IDE-specific caches and build artifacts cause these issues and how to properly fix them.