Fix the deadlock in the dispatcher #1369

[ckyoog]

It occurs when the rabbitmq server is down while the dispatcher is waiting for the response from the subscriber.

See #1369 for details.

[linux-foundation-easycla[bot]]

The committers listed above are authorized under a signed CLA.

• :white_check_mark: login: ckyoog / name: Yu Kou (f292c4751ed44acec4468436f1ac90ce096a0fa8, 1db3bb08a165a0e6f6b54745a130f79c7ffbe9ca)

[knative-prow[bot]]

Welcome @ckyoog! It looks like this is your first PR to knative-extensions/eventing-rabbitmq 🎉

[dprotaso]

/assign @ikavgo @Zerpet @mkuratczyk

[dprotaso]

hey @ckyoog thanks for the PR. You'll have to sign the CLA - can you follow the instructions by clicking on the red boxes in this comment - https://github.com/knative-extensions/eventing-rabbitmq/pull/1370#issuecomment-2038049250

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 33.33333% with 8 lines in your changes are missing coverage. Please review.

Project coverage is 64.66%. Comparing base (9b15d3b) to head (f292c47). Report is 7 commits behind head on main.

Files	Patch %	Lines
pkg/dispatcher/dispatcher.go	11.11%	8 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1370 +/- ## ========================================== + Coverage 63.16% 64.66% +1.49% ========================================== Files 60 60 Lines 4333 3574 -759 ========================================== - Hits 2737 2311 -426 + Misses 1481 1148 -333 Partials 115 115 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[dprotaso]

closing and re-opening to refresh and get the latest github actions

[ikavgo]

@ckyoog please look here - https://github.com/knative-extensions/eventing-rabbitmq/pull/1370#issuecomment-2038049250 this email thingy prevents merge

[ckyoog]

Hi I was using a wrong email address in the commits. I just corrected them. I am wondering, if I used the right email address in the first place, would I still need to sign the CLA? Just curious.

[ikavgo]

/override "codecov/patch"

[knative-prow[bot]]

@ikavgo: ikavgo unauthorized: /override is restricted to Repo administrators.

In response to [this](https://github.com/knative-extensions/eventing-rabbitmq/pull/1370#issuecomment-2046051750): >/override "codecov/patch" Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[knative-prow[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ckyoog, ikavgo

The full list of commands accepted by this bot can be found here.

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/knative-extensions/eventing-rabbitmq/blob/main/OWNERS)~~ [ikavgo] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[dprotaso]

/override "codecov/patch"

[knative-prow[bot]]

@dprotaso: Overrode contexts on behalf of dprotaso: codecov/patch

In response to [this](https://github.com/knative-extensions/eventing-rabbitmq/pull/1370#issuecomment-2046076094): >/override "codecov/patch" Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.