[4.0.x] Restore the Google Cloud mirror for CI resolution - #12701
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slachiewicz merged 1 commit intoAug 7, 2026
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Reverts c05b25d. That commit commented the mirror out because the Google Cloud mirror of Central lagged a fresh release: apache-maven-4.0.0-rc-6 was still a 404 there days after Central served it. The mirror has since caught up, and resolving through it is measurably cheaper for CI than hitting Central directly on every job. The lag is a release-day concern, not a steady-state one, so the mirror is the better default between releases.
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Clean backport of PR #12700 to maven-4.0.x. The diff is identical to the master PR, the mirror URL is correct, and the change is a straightforward revert of the temporary disabling during the rc-6 sync lag.
Minor: the file still lacks a trailing newline (pre-existing, not introduced here).
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Backport of #12700 to
maven-4.0.x.Reverts c05b25d, which commented out the
mimir.session.mirrorsline in.github/ci-mimir-session.properties.The mirror was disabled because
apache-maven-4.0.0-rc-6was still a 404 on the Google Cloud mirror days after Central served it. That URL returns 200 today, so the mirror has caught up, and it is cheaper for CI than resolving from Central on every job.Re-exposes CI to the same 404 window when the next RC drops; commenting the line out again is a one-line change if that happens.