Runtime: frontend fails to connect to 10.43.1.111:3551 (ECONNREFUSED, UNAVAILABLE)
CRITICALError
Error Frequency
Error Details
First seen:3 days ago
Last seen:21 mins ago
Stack:nodejs
Service:frontend
Stack TraceError: 14 UNAVAILABLE: No connection established. Last error: connect ECONNREFUSED 10.43.1.111:3551 (2026-07-08T20:09:12.301Z)
Error message
14 UNAVAILABLE: No connection established. Last error: connect ECONNREFUSED 10.43.1.111:3551 (2026-07-08T20:09:12.301Z)
Error: 14 UNAVAILABLE: No connection established. Last error: connect ECONNREFUSED 10.43.1.111:3551 (2026-07-08T20:09:12.301Z)
at callErrorFromStatus (/app/node_modules/@grpc/grpc-js/build/src/call.js:32:19)
at Object.onReceiveStatus (/app/node_modules/@grpc/grpc-js/build/src/client.js:193:76)
at Object.onReceiveStatus (/app/node_modules/@grpc/grpc-js/build/src/client-interceptors.js:361:141)
at Object.onReceiveStatus (/app/node_modules/@grpc/grpc-js/build/src/client-interceptors.js:324:181)
at /app/node_modules/@grpc/grpc-js/build/src/resolving-call.js:129:78
at process.processTicksAndRejections (node:internal/process/task_queues:85:11)
for call at
at ServiceClientImpl.makeUnaryRequest (/app/node_modules/@grpc/grpc-js/build/src/client.js:161:32)
at ServiceClientImpl.<anonymous> (/app/node_modules/@grpc/grpc-js/build/src/make-client.js:105:19)
at /app/node_modules/@opentelemetry/instrumentation-grpc/build/src/clientUtils.js:130:31
at /app/node_modules/@opentelemetry/instrumentation-grpc/build/src/instrumentation.js:215:209
at AsyncLocalStorage.run (node:internal/async_local_storage/async_hooks:91:14)
at AsyncLocalStorageContextManager.with (/app/node_modules/@opentelemetry/context-async-hooks/build/src/AsyncLocalStorageContextManager.js:33:40)
at ContextAPI.with (/app/node_modules/@opentelemetry/api/build/src/api/context.js:60:46)
at ServiceClientImpl.clientMethodTrace [as getProductReviews] (/app/node_modules/@opentelemetry/instrumentation-grpc/build/src/instrumentation.js:215:42)
at /app/.next/server/chunks/[root-of-the-server]__31472dff._.js:1:565
at new Promise (<anonymous>)Activity
User journey16 events before error
Jul 8, 20:09:11user_get_product_reviews
+0sGET
+0sGET
+0srouter frontend egress
+0sGET
+0sGET /api/product-reviews/[productId]/index
+0sexecuting api route (pages) /api/product-reviews/[productId]/index
+0sdns.lookup
+0soteldemo.ProductReviewService/GetProductReviews
+0stcp.connect
connect ECONNREFUSED 10.43.1.111:3551
+0sexception
+1stcp.connect
connect ECONNREFUSED 10.43.1.111:3551
+1stcp.connect
connect ECONNREFUSED 10.43.1.111:3551
+3stcp.connect
connect ECONNREFUSED 10.43.1.111:3551
+3stcp.connect
connect ECONNREFUSED 10.43.1.111:3551
+8stcp.connect
Issue events
Trace Breakdown
16Spans
0Errors
6.1 mDuration
Service / Span
load-generatoruser_get_product_reviews
load-generatorGET /
frontend-proxyGET /
frontend-proxyrouter frontend egress
frontendGET /api/product-reviews/{param}
frontendGET /api/product-reviews/[productId]/index
!frontendexecuting api route (pages) /api/product-reviews/[productId]/index
frontendoteldemo.ProductReviewService/GetProductReviews
frontenddns.lookup
frontendtcp.connect
frontendtcp.connect
frontendtcp.connect
frontendtcp.connect
frontendtcp.connect
frontendtcp.connect
frontenddns.lookup
AI Assistant