How to log contextual trace-id in an asynchronous scala application with slf4j + logback? -

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i trying use mdc pass contextual information logging, asynchronous nature of scala means thread local model of mdc won't work application.

although 1 possible solution problem offered here (https://github.com/jroper/thread-local-context-propagation/), readme states author not recommend solution , instead recommends passing context explicitly.

so given pass context explicitly, i'm wondering how using logback in way can programmatically parse out trace-id later on. help!


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