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refactor(contrib/rpc/grpcx): optimize server unary interceptor error …#4785

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BandlSkyler:feat-grpc-option-unary-err
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refactor(contrib/rpc/grpcx): optimize server unary interceptor error …#4785
BandlSkyler wants to merge 1 commit into
gogf:masterfrom
BandlSkyler:feat-grpc-option-unary-err

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PR 描述

修复:在 UnaryError 拦截器中保留错误详情信息

问题描述

当前 UnaryError 拦截器在将自定义错误转换为 gRPC 标准错误时,会丢失扩展错误信息(protobuf 的 Details 字段)。

// ❌ 当前实现 - Details 信息丢失
err = status.Error(codes.Code(code.Code()), err.Error())

当错误中包含 Details 扩展信息时(如字段校验失败详情、业务规则违反信息、本地化错误消息等),这些信息会被完全丢弃,导致客户端无法接收到 google.rpc.Status 中定义的丰富错误详情。

@BandlSkyler BandlSkyler force-pushed the feat-grpc-option-unary-err branch from af5de0a to 41c782b Compare June 18, 2026 01:53
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