Make your Java application observable with no code changes using OpenTelemetry
summary
Shows how to add end to end tracing to a Java microservice stack by dropping in the OpenTelemetry JVM agent and setting system properties, no application code change required. Demo uses a three‑service bike rental app with H2 databases, Zipkin as the backend, and shows a 12‑span trace that links requests across services via B3 multi header propagation. Explains the collector role, how the agent instruments Spring, Hibernate and HTTP clients, and how optional annotations add custom spans when deeper detail is needed.
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chapters (5)
- 0:00Introduction and context
- 0:43Understanding observability
- 3:34OpenTelemetry architecture
- 13:06Practical demonstration
- 26:50Advanced usage and Q&A
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