go network_error ai_generated true

rpc error: code = Unavailable desc = all SubConns are in TransientFailure

ID: go/grpc-server-reflect-unavailable

Also available as: JSON · Markdown · 中文
80%Fix Rate
82%Confidence
0Evidence
2024-04-20First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
1.2 active — — —

Root Cause

gRPC server reflection is enabled but the server is not reachable due to network partition or server crash.

generic

中文

gRPC服务器反射已启用，但由于网络分区或服务器崩溃，服务器无法访问。

Workarounds

  1. 90% success Check server health endpoint and restart if needed. 
    grpcurl -plaintext localhost:50051 list
  2. 85% success Verify firewall rules allow gRPC traffic on the target port. 
    nc -zv server-address 50051

Dead Ends

Common approaches that don't work:

  1. Increase client timeout to 10 seconds. 95% fail

    The server is not responding at all, timeout won't help.

  2. Add retry logic with exponential backoff. 90% fail

    Retries won't fix a dead server.