{"record":{"id":"8dbe5070fa874021","repo":"windmill-labs/windmill","slug":"sqltypeservice-worker-initialization-failed-for","errorCode":null,"errorMessage":"[SqlTypeService] Worker initialization failed for ${uri.toString()} after ${MAX_RETRIES} retries.","messagePattern":"\\[SqlTypeService\\] Worker initialization failed for (.+?) after (.+?) retries\\.","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"warning","filePath":"frontend/src/lib/components/sqlTypeService.ts","lineNumber":70,"sourceCode":"\t\t\treturn true\n\t\t} catch (error) {\n\t\t\tif (retries >= 5) {\n\t\t\t\tconsole.warn(\n\t\t\t\t\t`[SqlTypeService] Worker not ready yet for ${uri.toString()}, retrying... (${\n\t\t\t\t\t\tretries + 1\n\t\t\t\t\t}/${MAX_RETRIES})`\n\t\t\t\t)\n\t\t\t}\n\t\t\tif (Date.now() - startTime > WORKER_INIT_TIMEOUT) {\n\t\t\t\tthrow new Error(\n\t\t\t\t\t`[SqlTypeService] Worker initialization timeout for ${uri.toString()}. Custom method not found after ${WORKER_INIT_TIMEOUT}ms`\n\t\t\t\t)\n\t\t\t}\n\t\t\tawait new Promise((resolve) => setTimeout(resolve, RETRY_DELAY))\n\t\t}\n\t}\n\n\tthrow new Error(\n\t\t`[SqlTypeService] Worker initialization failed for ${uri.toString()} after ${MAX_RETRIES} retries.`\n\t)\n}\n\n/**\n * Update SQL query type information in the TypeScript worker\n *\n * This function sends the parsed SQL query details to the custom TypeScript worker,\n * which will then inject type parameters into the code that TypeScript analyzes.\n *\n * @param fileUri - Monaco URI or string path of the file being edited\n * @param queries - Array of SQL query details from the WASM parser\n * @returns Promise that resolves when the update is complete\n */\nexport async function updateSqlQueriesInWorker(\n\tmodelUri: string,\n\tqueries: InferAssetsSqlQueryDetails[]\n): Promise<void> {","sourceCodeStart":52,"sourceCodeEnd":88,"githubUrl":"https://github.com/windmill-labs/windmill/blob/e474e8803ce2ff5c2df09a58dab51d45f5c922ca/frontend/src/lib/components/sqlTypeService.ts#L52-L88","documentation":"waitForWorkerInitialization retries up to MAX_RETRIES (10) times for the Monaco TypeScript worker to expose the custom updateSqlQueries method. If every attempt throws and the retry loop is exhausted (without the wall-clock timeout firing first), it throws this error. It means the customized TypeScript worker never became available for the given file URI.","triggerScenarios":"All 10 retries (300ms apart) fail to obtain a worker client or the custom method for the model URI — the loop completes without returning true.","commonSituations":"Worker bundle broken by a monaco-vscode upgrade; worker client factory permanently failing (network/CSP issues in dev); calling the service in environments where the Monaco TypeScript worker is not configured at all.","solutions":["Fix the underlying worker error logged by getWorkerClient ('Failed to get TypeScript worker client') — the retry exhaustion is a symptom.","Confirm the custom worker build (with updateSqlQueries) is shipped and reachable; re-check bundler config for monaco workers.","Add a graceful fallback so SQL type annotation failure does not block the editor.","Bump MAX_RETRIES only if worker startup is legitimately slow; otherwise investigate why every attempt fails."],"exampleFix":"// before\nawait waitForWorkerInitialization(uri) // throws after 10 retries\n// after\nconst ready = await waitForWorkerInitialization(uri).catch(() => false)\nif (ready) {\n  await updateSqlQueriesInWorker(uri, queries)\n} // else: skip SQL type enrichment, editor remains usable","handlingStrategy":"try-catch","validationCode":"const client = await getWorkerClient().catch(() => null)\nif (!client) {\n  console.warn('Monaco TS worker unavailable — skipping SQL type enrichment')\n}","typeGuard":"function isExtendedWorker(w: unknown): w is ExtendedTypeScriptWorker {\n  return !!w && typeof (w as any).updateSqlQueries === 'function'\n}","tryCatchPattern":"const ok = await waitForWorkerInitialization(modelUri).catch(() => false)\nif (!ok) {\n  // skip updateSqlQueriesInWorker; editor still functions without SQL types\n}","preventionTips":["Log and fix getWorkerClient's underlying error first — retries exhausted is always a symptom","Verify custom worker bundling after any monaco-related upgrade","Treat 10 failed retries as a configuration bug, not slowness","Add alerting if this fires in production builds"],"tags":["web-worker","monaco","retry-exhausted","sql"],"backgroundTag":"worker-initialization-timeout","analyzedSha":"e474e8803ce2ff5c2df09a58dab51d45f5c922ca","analyzedAt":"2026-09-03T12:38:19.024Z","contentChangedAt":"2026-09-03T12:38:19.024Z","schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}