[GitHub] [pulsar-client-go] wolfstudy opened a new issue #129: The consumer can't Unsubscribe correctly in Failover sub mode

[GitBox]

wolfstudy opened a new issue #129: The consumer can't Unsubscribe correctly in 
Failover sub mode
URL: https://github.com/apache/pulsar-client-go/issues/129
 
 
   #### Steps to reproduce
   
   run code as follows:
   
   ```
   func TestSubFailOver(t *testing.T) {
       client, err := NewClient(ClientOptions{
           URL: lookupURL,
       })
       if err != nil {
           t.Fatal(err)
       }
   
       topic := "test-failover-topic-4"
       subName := "test-sub-4"
   
       producer, err := client.CreateProducer(ProducerOptions{
           Topic: topic,
       })
       assert.Nil(t, err)
       for i := 0; i < 30; i++ {
           err = producer.Send(context.Background(), &ProducerMessage{
               Payload: []byte(fmt.Sprintf("message-%d", i)),
           })
   
           assert.Nil(t, err)
       }
   
       cfg := ConsumerOptions{
           Topic:            topic,
           SubscriptionName: subName,
           Type:             Failover,
           SubscriptionInitialPosition: SubscriptionPositionEarliest,
       }
   
       consumer1, err := client.Subscribe(cfg)
       assert.Nil(t, err)
   
       consumer2, err := client.Subscribe(cfg)
       assert.Nil(t, err)
   
       consumer3, err := client.Subscribe(cfg)
       assert.Nil(t, err)
   
       go func(consumer1 Consumer) {
           for {
               msg, err := consumer1.Receive(context.Background())
               assert.Nil(t, err)
               fmt.Printf("consumer-1 receive : %s\n", string(msg.Payload()))
           }
       }(consumer1)
   
       go func(consumer2 Consumer) {
           for {
               msg, err := consumer2.Receive(context.Background())
               assert.Nil(t, err)
               fmt.Printf("consumer-2 receive : %s\n", string(msg.Payload()))
           }
       }(consumer2)
   
       go func(consumer3 Consumer) {
           for {
               msg, err := consumer3.Receive(context.Background())
               assert.Nil(t, err)
               fmt.Printf("consumer-3 receive : %s\n", string(msg.Payload()))
           }
       }(consumer3)
   
       time.Sleep(time.Second * 10)
   
       consumer1.Unsubscribe()
       consumer1.Close()
   
       consumer2.Unsubscribe()
       consumer2.Close()
   
       consumer3.Unsubscribe()
       consumer3.Close()
   }
   ```
   
   
![image](https://user-images.githubusercontent.com/20965307/71088827-62a83780-21da-11ea-8e9d-bf45e53326aa.png)
   
   
   #### System configuration
   **Pulsar version**: 2.5.0
   

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