- Issue is in context propagation when trying to use MDC and reactive (Mutiny) programming.
Logging outside of reactive code uses MDC fine, but logic within (onItem), does not recognize added MDC => propagation not working.
On the other hand, if I simply switch to latest (unsupported) version of Quarkus (2.6.3), it works fine.
To move to latest one I simply replaced following two lines in POM:
<quarkus.platform.group-id>io.quarkus.platform</quarkus.platform.group-id> <quarkus.platform.version>2.6.3.Final</quarkus.platform.version> On RedHat build of Quarkus (2.2.3), logging result is (attached zip file): ... (vert.x-eventloop-thread-5) [e91f5598-a6e5-4948-a55d-6f7a093a634b] Test to check if MDC is working ... (vert.x-eventloop-thread-0)  Response in: 908 ms On unsupported build (2.6.3), logging result is (once above replacement is done): ... (vert.x-eventloop-thread-4) [56c60613-0192-4897-a48e-42b83b3bec72] Test to check if MDC is working ... (vert.x-eventloop-thread-4) [56c60613-0192-4897-a48e-42b83b3bec72] Response in: 1360 ms
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