intermediateDistributed Tracing & Observability243 of 469

How is the Trace ID propagated between services?

Tests whether you know the trace ID travels as an HTTP header (or message header for async calls) that each service must explicitly read and forward -- it isn't automatic across network boundaries, which is exactly where traces silently break if a client or filter drops the header.

Ready to master this question?

Generate a complete walkthrough — background, the full answer in plain language, a working code example explained line by line, a real-world scenario, common mistakes, and how this same question gets asked in different ways.

Sign in to generate a response

Next Step

← Back to all Spring Boot & Microservices questions