Spring Boot stayed healthy while Glass Fish exhausted its Oracle connection pool, delaying searches before SQL execution and causing timeouts.
Our Server Was Healthy. The Connection Pool Was Exhausted. Read More »
A fast SQL query loaded 100,000 Hibernate entities, exhausted the JVM heap, and exposed why previews and full reports need different retrieval boundaries.
The Database Was Fast. Our Spring Boot API Still Ran Out of Memory. Read More »
A hidden server timezone shifted a Spring Boot Quartz job by seven hours, causing the report to query the wrong business-day transaction window.
Quartz Succeeded, but the Report Was Still Wrong Read More »
A Spring Boot outage showed how green readiness probes hid Tomcat thread exhaustion, slow dependencies, and broken timeout design.
Why Our Spring Boot Health Check Lied During an Outage Read More »