29dd6d0cfd
The test at channels/app/platform/web_conn_test.go was added by #35988 without a defer th.TearDown() call. Setup(t) creates a PlatformService that opens its own SqlStore pool and runs morph migrations against the shared temp database. Without TearDown, that pool stays alive until TestMain exits, so the morph-held idle connections are still attached to the database when MainHelper.Close runs DROP DATABASE. Postgres refuses the drop with "is being accessed by other users" and the whole package panics in teardown. On master and release-11.4 and later, setupTestHelper registers the shutdown via tb.Cleanup automatically, so the same test does not leak there. release-10.11 still uses the manual TearDown pattern, which is why the fix is scoped to this branch.
Mattermost is an open core, self-hosted collaboration platform that offers chat, workflow automation, voice calling, screen sharing, and AI integration. This repo is the primary source for core development on the Mattermost platform; it's written in Go and React, runs as a single Linux binary, and relies on PostgreSQL. A new compiled version is released under an MIT license every month on the 16th.
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