[GitHub] [rocketmq-client-go] Zfzlv opened a new issue #747: com.alibaba.fastjson.JSONException

[GitBox <gi...@apache.org>]

Zfzlv opened a new issue #747:
URL: https://github.com/apache/rocketmq-client-go/issues/747


   - broker version  V4_7_0  
   - rocketmq client go version v2.1.0
   
   ### console
   1. Operation: Resend Message
   2. trackType: UNKNOWN
   3. view exception: com.alibaba.fastjson.JSONException: No enum constant org.apache.rocketmq.remoting.protocol.LanguageCode.GO, com.alibaba.fastjson.parser.DefaultJSONParser.parseObject(DefaultJSONParser.java:614)
   
   ## consumer code
   ```
           var c rocketmq.PushConsumer
   	c, err = rocketmq.NewPushConsumer(
   		consumer.WithGroupName("xxxx"),
   		consumer.WithNsResolver(primitive.NewPassthroughResolver("xxx")),
   		consumer.WithConsumerModel(consumer.Clustering),
   	)
   	if err != nil {
   		return
   	}
   	selector := consumer.MessageSelector{
   		Type:       consumer.TAG,
   		Expression: "xxx",
   	}
   	err = c.Subscribe("xxxx", selector, func(ctx context.Context,
   		msgs ...*primitive.MessageExt) (consumer.ConsumeResult, error) {
   		for i := range msgs {
   			log.Println(fmt.Sprintf("consumer msg msgId %s", msgs[i].MsgId))
   		}
   		return consumer.ConsumeSuccess, nil
   	})
   	if err != nil {
   		return
   	} 
   	err = c.Start()
   	if err != nil {
   		return
   	} 
   	select {
   	case <-ctx.Done():
   	}
   	_ = c.Shutdown()
   ```


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