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cls-rtracer causes pino-http >= version 7.1 to log success message (responses) twice

See original GitHub issue

When the cls-rtracer middleware is added before a logging middleware based on pino-http >= 7.1.0 the success messages (responses) are logged twice.

The problem happens since the merge of this PR in pino-http: https://github.com/pinojs/pino-http/pull/219 So after this response event listener was added: res.on('close', onResFinished) in addition to the already existing one res.on('finish', onResFinished)

For further reference please check the rejected issue at pino-http: https://github.com/pinojs/pino-http/issues/234 and the sample app to reproduce the issue provided by @Simon-Campbell : https://github.com/Simon-Campbell/pino-http-double-success