Pulsar Proxy No active broker is available

[xuesongxs]

Describe the bug
I tested pulsar proxy. One proxy found 3 brokers through ZK service. My producer connecte to proxy.

Pulsar v2.5.2

To Reproduce
Steps to reproduce the behavior:

1. Stop 1 broker service, and the client can still produce normally

2. Stop 2 broker services, and the client can still produce normally

3. When 3 broker services are stopped, the client prompts that No active broker is available

4. Start a broker service, and the client prompts that No active broker is available

5. Start two broker services, and the client prompts that No active broker is available

6. Start three broker services, and the client prompts that No active broker is available

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS]

Additional context
Add any other context about the problem here.

[tisonkun]

Closed as stale. Please open a new issue if it's still relevant to the maintained versions.