#112421

Frontend GetAds RPC Fails with UNAVAILABLE Connection Refused Error

Log PatternERROR1 all time

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Evidence

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{"first_seen_at":"2026-10-06T23:26:58.799185Z","log_level":null,"log_pattern":"request_type;neutral⇒outgoing rpc.method;neutral⇒GetAds rpc.service;neutral⇒oteldemo.AdService span_name;neutral⇒grpc.oteldemo.AdService/GetAds status;badge-error⇒ERROR status;right-badge-error⇒ERROR protocol;right-badge-neutral⇒rpc duration;right-badge-neutral⇒<*> µs session;right-badge-neutral⇒<*> user name;right-badge-neutral⇒Demo shopper {integer}ec{integer}f{integer} user id;right-badge-neutral⇒<*>","occurrence_count":1,"pattern_hash":"a1ad4738","sample_message":"request_type;neutral⇒outgoing rpc.method;neutral⇒GetAds rpc.service;neutral⇒oteldemo.AdService span_name;neutral⇒grpc.oteldemo.AdService/GetAds status;badge-error⇒ERROR attributes;text-textWeak⇒{\"grpc\":{\"error_message\":\"14 UNAVAILABLE: No connection established. Last error: Error: connect ECONNREFUSED 10.43.3.105:8080. Resolution note: \",\"error_name\":\"Error\"},\"rpc\":{\"grpc\":{\"status_code\":14},\"method\":\"GetAds\",\"service\":\"oteldemo.AdService\",\"system\":\"grpc\"},\"server\":{\"address\":\"ad\",\"port\":8080},\"session\":{\"id\":\"ee4bfab5-6f0d-4792-8525-a3e61a911866\"},\"user\":{\"full_name\":\"Demo shopper 811ec0f9\",\"id\":\"811ec0f9-4750-4745-b541-f92ed320dc21\"}} status;right-badge-error⇒ERROR protocol;right-badge-neutral⇒rpc duration;right-badge-neutral⇒702.9 µs session;right-badge-neutral⇒ee4bfab5-6f0d-4792-8525-a3e61a911866 user name;right-badge-neutral⇒Demo shopper 811ec0f9 user id;right-badge-neutral⇒811ec0f9-4750-4745-b541-f92ed320dc21","service_name":"frontend","source_field":"summary"}

## Frontend GetAds RPC Fails with UNAVAILABLE Connection Refused Error

- Type: log_pattern
- Severity: info
- Service: frontend

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Log pattern

Event summary

outgoingGetAdsoteldemo.AdServicegrpc.oteldemo.AdService/GetAdsERRORERRORrpc<*> µs<*> userDemo shopper {integer}ec{integer}f{integer} user<*>

Event sample

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outgoingGetAdsoteldemo.AdServicegrpc.oteldemo.AdService/GetAdsERROR{"grpc":{"error_message":"14 UNAVAILABLE: No connection established. Last error: Error: connect ECONNREFUSED 10.43.3.105:8080. Resolution note: ","error_name":"Error"},"rpc":{"grpc":{"status_code":14},"method":"GetAds","service":"oteldemo.AdService","system":"grpc"},"server":{"address":"ad","port":8080},"session":{"id":"ee4bfab5-6f0d-4792-8525-a3e61a911866"},"user":{"full_name":"Demo shopper 811ec0f9","id":"811ec0f9-4750-4745-b541-f92ed320dc21"}}ERRORrpc702.9 µsee4bfab5-6f0d-4792-8525-a3e61a911866 userDemo shopper 811ec0f9 user811ec0f9-4750-4745-b541-f92ed320dc21

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