[Question] 通过官方tinkpop的gremlin-go客户端连接GremlinServer，序列化问题如何解决 about incubator-hugegraph HOT 3 CLOSED

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你好，@ycycyccc！很高兴再次见到你。🌀

您遇到的序列化问题可能是由于客户端和服务器之间的序列化/反序列化格式不匹配导致的。

在提供的上下文中，服务器配置为使用四种类型的序列化器：GraphBinaryMessageSerializerV1，GraphSONMessageSerializerV1d0，GraphSONMessageSerializerV2d0和GraphSONMessageSerializerV3d0。所有这些序列化器都配置为serializeResultToString: false和ioRegistries: [org.apache.hugegraph.io.HugeGraphIoRegistry]。

要解决序列化问题，您需要确保gremlin-go客户端使用与服务器相同的序列化/反序列化格式。如果服务器使用GraphBinaryMessageSerializerV1，那么客户端也应使用GraphBinaryMessageSerializerV1。同样，如果服务器使用GraphSONMessageSerializerV1d0，GraphSONMessageSerializerV2d0或GraphSONMessageSerializerV3d0，那么客户端也应使用相应的GraphSONMessageSerializer。

以下是如何在gremlin-go客户端中设置序列化器的示例：

import (
	"github.com/apache/tinkerpop/gremlin-go"
)

func main() {
	dialer := gremlin.NewDialer("ws://localhost:8183/gremlin", 
		gremlin.WithAuth("username", "password"), // if required
		gremlin.WithSerializer( /* the matching serializer */ ),
	)
	client := gremlin.NewClient(dialer)
	// ...
}

将/* the matching serializer */替换为与服务器使用的序列化器匹配的序列化器。例如，如果服务器使用GraphSONMessageSerializerV3d0，您可以使用gremlin.NewGraphSONv3Serializer()。

请注意，gremlin-go客户端也应能够处理在org.apache.hugegraph.io.HugeGraphIoRegistry中注册的自定义类型。如果客户端无法处理这些类型，您可能需要在客户端中为这些类型实现自定义序列化/反序列化。

参考资料：

• hugegraph-server/hugegraph-dist/src/assembly/travis/conf-raft3/gremlin-server.yaml

Sources

• hugegraph-server/hugegraph-dist/src/assembly/travis/conf-raft3/gremlin-server.yaml
• hugegraph-server/hugegraph-api/src/main/java/org/apache/hugegraph/serializer/JsonSerializer.java

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@ycycyccc 2 points may help：

1. use gremlin-client v3.5.1 instead（keep consistent with our server）
2. we do have a hugegraph-go-client in huegegrpah-toolchain repo（refer https://github.com/apache/incubator-hugegraph-toolchain/blob/master/hugegraph-client-go/README.md) , u don't need to use tinkerpop-gremlin-go directly instead~

hugegraph-go-client discussions: #2384

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Due to the lack of activity, the current issue is marked as stale and will be closed after 20 days, any update will remove the stale label

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