apache / apache/pulsar-client-go

[Reader] The topic not found when create reader with listener name

Open
#553 2 comments 0 reactions 0 assignees View on GitHub
Dominant language
Go
Stars
745
Forks
389
Avg merge
3d 20h
Merged PRs (30d)
3

Description

**Describe the bug**
A clear and concise description of what the bug is.

**To Reproduce**

```
package main

import (
"context"
"fmt"
"log"

"github.com/apache/pulsar-client-go/pulsar"
)

func main() {
client, err := pulsar.NewClient(pulsar.ClientOptions{
URL: "pulsar://localhost:6000",
ListenerName: "custom:xxxx/vpc-xxxxxx/subnet-xxxxxx",
Authentication: pulsar.NewAuthenticationToken("eyJrZxxxxxxxxxxx"),
})
if err != nil {
log.Fatal(err)
}

defer client.Close()

reader, err := client.CreateReader(pulsar.ReaderOptions{
Topic: "persistent://test-tenant/test-ns/test-topic",
StartMessageID: pulsar.EarliestMessageID(),
})
if err != nil {
log.Fatal(err)
}
defer reader.Close()

for reader.HasNext() {
msg, err := reader.Next(context.Background())
if err != nil {
log.Fatal(err)
}

fmt.Printf("Received message msgId: %#v -- content: '%s'\n",
msg.ID(), string(msg.Payload()))
}
}
```

**Expected behavior**
We can create the reader successfully

**Screenshots**
bdcb83d8-758d-4545-91f8-3ba1ac7685a7

**Desktop (please complete the following information):**
- OS: Mac OS
- Go Version: master

---

But this topic already exists, it is normal to use producer or consumer

Contributor guide

Open the contributing guide

Research direction

Start by reproducing the Go example with CreateReader, the custom ListenerName, and the existing persistent topic described in the issue. Trace the reader-creation path and compare it with producer or consumer creation; done means the reader is created successfully without reporting the existing topic as not found.

Written by the indexing model from the issue text.

Assessment

Tech stack
go
Domain
distributed-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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