{"record":{"id":"dabde6f65589c999","repo":"Zackriya-Solutions/meetily","slug":"failed-to-commit-transaction","errorCode":null,"errorMessage":"Failed to commit transaction: {}","messagePattern":"Failed to commit transaction: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"frontend/src-tauri/src/audio/import.rs","lineNumber":739,"sourceCode":"        sqlx::query(\n            \"INSERT INTO transcripts (id, meeting_id, transcript, timestamp, audio_start_time, audio_end_time, duration)\n             VALUES (?, ?, ?, ?, ?, ?, ?)\",\n        )\n        .bind(&segment.id)\n        .bind(&meeting_id)\n        .bind(&segment.text)\n        .bind(&segment.timestamp)\n        .bind(segment.audio_start_time)\n        .bind(segment.audio_end_time)\n        .bind(segment.duration)\n        .execute(&mut *tx)\n        .await\n        .map_err(|e| anyhow!(\"Failed to insert transcript: {}\", e))?;\n    }\n\n    tx.commit()\n        .await\n        .map_err(|e| anyhow!(\"Failed to commit transaction: {}\", e))?;\n\n    info!(\n        \"Created meeting '{}' with {} transcripts\",\n        meeting_id,\n        segments.len()\n    );\n\n    Ok(meeting_id)\n}\n\n/// Get or initialize the Whisper engine\nasync fn get_or_init_whisper<R: Runtime>(\n    app: &AppHandle<R>,\n    requested_model: Option<&str>,\n) -> Result<Arc<WhisperEngine>> {\n    use crate::whisper_engine::commands::WHISPER_ENGINE;\n\n    let engine = {","sourceCodeStart":721,"sourceCodeEnd":757,"githubUrl":"https://github.com/Zackriya-Solutions/meetily/blob/0281737d87d26352fb0adc78c8c0975f691b23d1/frontend/src-tauri/src/audio/import.rs#L721-L757","documentation":"`tx.commit()` failed while flushing the meeting row plus every transcript insert. SQLite returns errors at commit for SQLITE_BUSY (write lock lost to another connection during the long insert loop), SQLITE_FULL or disk I/O errors, or a database file that vanished mid-import. The rollback discards a fully completed transcription — the costliest failure point of the pipeline.","triggerScenarios":"A concurrent writer takes the SQLite write lock between BEGIN and COMMIT during the (potentially thousands-row) transcript insert loop; the disk fills during the import; the DB file is moved, deleted, or locked by an external process at commit time.","commonSituations":"Hour-long meeting imports (huge transaction window) racing live recording saves; low-disk machines; cloud-sync clients locking the DB file exactly at commit.","solutions":["Enable WAL plus busy_timeout so COMMIT waits for the lock instead of failing","Keep the transaction short — commit in chunks (e.g. per N transcripts) so the write-lock window is small","Check disk space and ensure the DB directory is not cloud-synced or externally locked","On SQLITE_BUSY, retry the whole create_meeting_with_transcripts operation once — a failed commit cannot be retried itself since the transaction is consumed"],"exampleFix":"// before — one long-held write lock across all transcripts\ntx.commit().await.map_err(|e| anyhow!(\"Failed to commit transaction: {}\", e))?;\n\n// after — WAL + busy_timeout at pool creation shrinks lock contention\nlet pool = SqlitePoolOptions::new()\n    .after_connect(|conn, _| Box::pin(async move {\n        sqlx::query(\"PRAGMA journal_mode=WAL; PRAGMA busy_timeout=5000;\")\n            .execute(&mut *conn)\n            .await?;\n        Ok(())\n    }))\n    .connect(&db_url)\n    .await?;","handlingStrategy":"retry","validationCode":"// pre-commit sanity: writable DB dir and enough disk for the write\nlet meta = tokio::fs::metadata(&db_path).await?;\n// plus: PRAGMA journal_mode should be 'wal' to minimize lock windows","typeGuard":null,"tryCatchPattern":"A failed commit consumes the transaction — retry by re-running the whole create_meeting_with_transcripts (idempotent for a fresh UUID meeting id) once after a short backoff when the error contains 'database is locked'; never retry on disk-full or I/O errors.","preventionTips":["Enable WAL + busy_timeout so COMMIT waits instead of failing","Keep transactions short — chunk transcript inserts so the write lock is held briefly","Check disk space before long imports; keep the DB directory free of cloud-sync locks"],"tags":["sqlx","sqlite","transaction","commit","sqlite-busy","rust"],"backgroundTag":"db-commit-failed","analyzedSha":"0281737d87d26352fb0adc78c8c0975f691b23d1","analyzedAt":"2026-08-16T20:57:52.567Z","schemaVersion":2},"datasetVersion":"2026-08-16T23:17:17.608Z"}