String field contains invalid UTF-8 data when serializing a protocol buffer. Use the 'bytes' type if you intend to send raw bytes.

[libprotobuf ERROR google/protobuf/wire_format.cc:1053] String field contains invalid UTF-8 data when serializing a protocol buffer. Use the 'bytes' type if you intend to send raw bytes.

原因是中间，用char[]把它截断了，造成utf8字符不完整

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原文地址：https://www.cnblogs.com/hanframe/p/4146659.html