java-http-header-attributes We often get asked how to copy http request/response headers into OpenTelemetry span attributes. The java instrumentation agent does not do this by default, primarily ...

Request handling is the bread and butter of Java web application development. In order to respond to requests from the network, a Java web application must first determine what code will respond ...

If you instrument any application with above settings , the OTEL http request is supposed to contain header : my-custom-header : 123123123 , but this header is not visible in the telemetry signals.

Learn how to design, document, and test the if-match header for optimistic concurrency control in RESTful WebServices with ETags.