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gRPC Error Handling Basics
Return useful gRPC errors
Handling gRPC errors involves mapping failures to canonical status codes, returning concise error details, propagating correlation IDs, and signaling retry/backoff rules without leaking sensitive info.
- grpc errors
- status codes
- retries
- messages
- correlation id
Use Codes
Map to canonical codes (InvalidArgument, Unauthenticated, Unavailable).
Include Context
Short messages, correlation IDs; avoid sensitive data.
Guide Retries
Use Unavailable/ResourceExhausted with backoff hints; avoid retry on InvalidArgument.
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