96a429a561
Prior to this commit, the Observation instrumentation for Reactive server applications was implemented with a `WebFilter`. This allowed to record observations and set up a tracing context for the controller handlers. The limitation of this approach is that all processing happening at a lower level is not aware of any observation. Here, the `HttpWebHandlerAdapter` handles several interesting aspects: * logging of HTTP requests and responses at the TRACE level * logging of client disconnect errors * handling of unresolved errors With the current instrumentation, these logging statements will miss the tracing context information. As a result, this commit deprecates the `ServerHttpObservationFilter` in favor of a more direct instrumentation of the `HttpWebHandlerAdapter`. This enables a more precise instrumentattion and allows to set up the current observation earlier in the reactor context: log statements will now contain the relevant information. Fixes gh-30013 |
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