Fix CompletionStageSubscriber race condition, add jcstress tests and CI coverage gate#4296

Merged

andimarek merged 10 commits into

fix/completion-stage-subscriber-race-condition

Mar 6, 2026

Commits on Mar 6, 2026

Fix race condition in CompletionStageSubscriber.onComplete()

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Add jcstress stress tests and CI integration

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Fix jcstress CI: create build dir before tee

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Fix flaky optional_spec111 TCK multicast test

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Verify exact set of TestNG TCK skipped tests after each run

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Fix coverage gate to check per-class regressions, not just overall

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Fix coverage gate false positives and add missing tests

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Rename test-summary check to Test Report & Per-Class Coverage Gate

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Exclude identity equals/hashCode from JaCoCo coverage via bytecode annotation

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Bump Java toolchain from 21 to 25 to match CI

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