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* fix(lbug): self-heal read-only opens refused by an interrupted checkpoint Homelab repro 2026-09-19 (image 1.6.10-20260917, @ladybugdb/core 0.19.x): a wiki pod killed mid-CHECKPOINT left the engine's checkpoint artifacts on disk (lbug.wal.checkpoint / lbug.shadow / checkpoint intent+apply locks), and every later READ-ONLY open refused with 'Cannot open database in read-only mode while checkpoint is in progress' — permanently, until a writable open (any gitnexus analyze) happened to run. Two defects, both fixed: 1. The refusal was unclassified. ensureReadOnlyConnectionUsable (direct adapter) and openReadOnlyDatabase (pool) recovered missing-shadow and shadow-replay errors but rethrew this one raw, so 'LadybugDB unavailable for __wiki__' repeated forever. Add isReadOnlyCheckpointInProgressError (LADYBUGDB-CONTRACT, live-verified against 0.19.1) and route it through the same writable-open recovery — including at OPEN time, where the refusal fires before any probe can run (pool: init() moved inside the try; direct: doInitLbug catch). 2. The existing shadow-replay recovery was not durable. Reproduction matrix on 0.19.1: the writable probe replays the WAL in MEMORY only — without an explicit CHECKPOINT the engine drops the pages at close and the follow-up read-only open silently serves the pre-checkpoint state. Both recovery paths now CHECKPOINT after the probe, which applies the replay, consumes the sidecars, and clears the checkpoint locks. Verified end-to-end: real engine 0.19.1, killed-mid-CHECKPOINT state → exact refusal → pool adapter self-heals → 80,800 rows intact, sidecars consumed. The planted-signature integration test runs on any engine version (refusal asserted only where the engine emits it, 0.19+). * docs(architecture): list checkpoint-in-flight artifacts and the read-path self-heal * fix(lbug): address review findings — shared cursor closer, tighten structural guard Both findings from the gitnexus-check review on this PR: 1. pool-adapter.ts: the recovery CHECKPOINT closed its cursor with a bare unawaited result.close?.(). Use the shared best-effort closer (closeQueryResults) the repo already funnels both adapters through, so a cursor-close failure stays cleanup and cannot escape as an unhandled rejection. 2. sidecar-recovery.test.ts: the structural regex omitted the leading negation, so as a substring match it also accepted the inverted predicate (recover ONLY shadow-replay, exclude checkpoint) — the exact regression the guard exists to prevent. Pin the full '!isReadOnlyShadowReplayError(err) && !isReadOnlyCheckpointInProgressError(err)' throw-through shape. * test(lbug): wire the recovery plant into lbug-db/LBUG_NATIVE; force the refusal on any engine pin Address the tri-review findings (all four): P1 — the planted-signature integration test was collected by the parallel 'default' project and never by the serialized 'lbug-db' project, and Windows/macOS CI never ran it: register it next to its sibling in vitest.config.ts (lbug-db include + default exclude) and in cross-platform-tests.ts LBUG_NATIVE, per TESTING.md's rule for native @ladybugdb/core suites. Verified via 'vitest list --project lbug-db'. P2 — on the committed 0.18.3 pin the plant passes as 'pool opens and count(n)=300' without ever exercising the new classifier or recovery CHECKPOINT. Add forced-refusal behavioral tests for BOTH adapters: a mocked native layer whose first read-only Database refuses with the canonical 0.19 message, asserting the exact self-heal shape (ro-refused -> writable open -> CHECKPOINT -> ro retry) and that a healthy db never triggers a writable open. The direct adapter is lazy, so its refusal is scripted at the first probe query rather than init(). P2 — the LADYBUGDB-CONTRACT header on isReadOnlyCheckpointInProgressError claimed '^0.18.0' like its siblings; only 0.19.x emits this string (0.18.3 tolerates the state). State the first-observed version so a bump reviewer validates the right binary. P2 — the pool's writable replay recovery quarantined on missing-shadow even when the error came from the post-probe CHECKPOINT, where the main file has already changed: mirror the direct adapter's probeSucceeded guard (replaySucceeded) and fail closed instead of parking a live sidecar. Also assert walBuffer.byteLength > 0 in the plant so the fixture cannot silently degrade into an empty shell on tolerant engines. * test(lbug): fix hosted-CI failures — Windows handle release, version-gated plant, prettier Address the CHANGES_REQUESTED review of the hosted run: Windows blocker (Win32 Error 33, locked file region at the pooled reopen): the fixture now makes handle release explicit — waitForFixtureRelease probe-reads the db and its residual WAL with bounded retries after every native close (plant, raw refusal probe, pool close), mirroring the adapter's own Windows handle-release probing. The WAL is re-planted from the captured bytes instead of renamed: a close-time auto-checkpoint can consume the live .wal out from under the rename (ENOENT, second flake). Version-gate the plant itself: on < 0.19 engines that tolerate the planted signature, its synthetic sidecars are not a consistent staging state for the old engine (double-apply replays surfaced as 'Person already exists in catalog' — the third flake), and no refusal can be forced there anyway. The plant now skips below 0.19 with that rationale in-file; the behavioral contract on every pin stays with the forced-refusal units, and this native suite remains registered in lbug-db + LBUG_NATIVE so Win/macOS exercise it as soon as the pin moves off 0.18.3. Also: prettier on the two flagged files (format gate). * fix(lbug): keep failed checkpoint heals from re-entering CHECKPOINT Wrap recovery failures without repeating native refusal text, skip already-wrapped errors in doInitLbug, and pin constructor-time heal plus the Windows reopen skip. Co-authored-by: Cursor <cursoragent@cursor.com> * Address PR review feedback (#3340) - Clean each forced-heal tmpDir in afterEach so earlier cases do not leak - Compare major.minor when version-gating the interrupted-checkpoint plant Co-authored-by: Cursor <cursoragent@cursor.com> * Address PR review feedback (#3340) Reset the pool forced-refusal mock Database sequence in native.reset() so later tests can still script the first construction as the checkpoint victim. * Address PR review feedback (#3340) Count every MATCH on the pool forced-refusal mock and assert the writable replay probe so CHECKPOINT-without-probe cannot stay green. --------- Co-authored-by: Gergő Magyar <gergomagyar@icloud.com> Co-authored-by: Gergo Magyar <gergomagyar0@gmail.com> Co-authored-by: Cursor <cursoragent@cursor.com> |
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| .. | ||
| bench | ||
| spikes | ||
| assert-publish-fts-coverage.cjs | ||
| assert-publish-grammar-coverage.cjs | ||
| assert-web-assets.mjs | ||
| bench-scope-resolution.ts | ||
| build-tree-sitter-grammars.cjs | ||
| build-web.js | ||
| build.js | ||
| cross-platform-shard.ts | ||
| cross-platform-tests.ts | ||
| ensure-fts.ts | ||
| install-duckdb-extension.mjs | ||
| run-cross-platform.ts | ||
| shard-arg.ts | ||
| sync-plugin-manifests.mjs | ||