Shulou(Shulou.com)06/02 Report--

The old msgpack-java (for example, 0.6.7) does not support the MessagePack str8 data type.

When you want your application to support older versions, you need to disable this data type, such as using the following statement:

MessagePack.PackerConfig config = new MessagePack.PackerConfig () .withStr8FormatSupport (false); ObjectMapper mapperWithConfig = new ObjectMapper (new MessagePackFactory (config)); / / This string is serialized as bin8 typebyte [] resultWithoutStr8Format = mapperWithConfig.writeValueAsBytes (str8LengthString)

Https://www.cwiki.us/display/Serialization/MessagePack+Jackson+Dataformat

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