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Fix web-dashboard output conflict #4826

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inancgumus
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@inancgumus inancgumus commented Jun 4, 2025

What?

Fix web-dashboard output conflict.

Why?

Running:

K6_WEB_DASHBOARD=true k6 run --out web-dashboard script.js

Results:

...listen tcp :port: bind: address already in use

Also see #4707.

Checklist

  • I have performed a self-review of my code.
  • I have commented on my code, particularly in hard-to-understand areas.
  • I have added tests for my changes.
  • I have run linter and tests locally (make check) and all pass.

Checklist: Documentation (only for k6 maintainers and if relevant)

Please do not merge this PR until the following items are filled out.

  • I have added the correct milestone and labels to the PR.
  • I have updated the release notes: link

Related PR(s)/Issue(s)

Closes #4707

@inancgumus inancgumus added this to the v1.1.0 milestone Jun 4, 2025
@inancgumus inancgumus self-assigned this Jun 4, 2025
@inancgumus inancgumus added the bug label Jun 4, 2025
@inancgumus inancgumus marked this pull request as ready for review June 4, 2025 22:13
@inancgumus inancgumus requested a review from a team as a code owner June 4, 2025 22:13
@inancgumus inancgumus requested review from codebien and joanlopez and removed request for a team June 4, 2025 22:13
joanlopez
joanlopez previously approved these changes Jun 9, 2025
@codebien codebien added the breaking change for PRs that need to be mentioned in the breaking changes section of the release notes label Jun 9, 2025
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@inancgumus can you add a unit test for it, please?

As we stop supporting a use case, we should probably add a warning in the case a duplicate is intercepted.

I've marked as breaking change for now, but we will discuss internally if this is really the case or not as we never documented it before.

@inancgumus inancgumus force-pushed the fix/4707-web-dashboard-output-conflict branch 4 times, most recently from 5e9470e to 00d10b0 Compare June 9, 2025 15:08
@inancgumus inancgumus requested review from codebien and joanlopez June 9, 2025 15:19
Running:
K6_WEB_DASHBOARD=true k6 run --out web-dashboard script.js

Results:
listen tcp :port: bind: address already in use
@inancgumus inancgumus force-pushed the fix/4707-web-dashboard-output-conflict branch from 00d10b0 to 42da59e Compare June 9, 2025 15:53
@codebien codebien removed the breaking change for PRs that need to be mentioned in the breaking changes section of the release notes label Jun 9, 2025
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LGTM, we decided to not mark as a breaking change as this was an undefined case.

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Superseeded by #4193.

@inancgumus inancgumus closed this Jul 28, 2025
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conflict between 2 config vars in web dashboard
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