Bulletproof Java Enterprise applications for the hard production life
summary
Two Java EE microservices (coffee-shop and barista) run in Docker/Open Liberty, live-redeploy with a watch-and-deploy script, and demonstrate concrete fixes: set HTTP connect/read timeouts to 3s to avoid thread hangs and JVM core dumps, apply MicroProfile Fault Tolerance bulkheads (4 threads, queue 8) and circuit breakers (rolling window 10 requests, 30% failure ratio, 3s half-open delay), add minimal telemetry, and deploy via Kubernetes with service mesh routing for timeouts, fault injection and 5%→100% canary rollouts.
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chapters (20)
- 0:00Start
- 7:51Timeouts
- 8:25Deadlock Situations
- 13:19Threat Dump
- 15:21Bulkheads Pattern
- 20:06Micro Profile Fault Tolerance
- 24:34The Bulkhead Pattern
- 27:11Queuing Theory
- 29:41Circuit Breakers
- 31:08Circuit Breaker
- 33:17Circuit Breaker Exception
- 35:24Database Connections
- 36:30Extensive Logging
- 38:06Kubernetes Cluster
- 45:10Add a Timeout Behavior
- 51:04Zero Downtime Approaches
- 51:55Canary Release
- 52:23Delete Default Resources
- 52:37Deployment
- 54:10Deploying a Canary Release
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