apache / apache/pulsar-client-python

many "Connection closed" messages after receiving the warning "Received send error from the server: Cannot determine whether the message is a duplicate at this time" from producer

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描述

In my program, there will be eight producers, two of which will be sent to partitioned topics and six of which will be sent to unpartitioned topics.

Below is my topic configuration:
```
producer = client.create_producer(
producer_name='raw-test',
batching_enabled=True,
block_if_queue_full=True,
batching_type=BatchingType.KeyBased,
batching_max_messages=2000,
batching_max_allowed_size_in_bytes=1000 * 1024,
batching_max_publish_delay_ms=20,
compression_type=pulsar.CompressionType.ZSTD,
send_timeout_millis=0,
topic='persistent://ethereum-test/raw/tests'
)
```
I am using `sendAsync()` to send messages, but I am getting many "Connection closed" messages after receiving the warning "Received send error from the server: Cannot determine whether the message is a duplicate at this time".

I also found that I can remove `BatchingType.KeyBased` or turn off batching-mode without encountering this problem, and that the problem does not consistently occur.

Here are my debug logs:
[pulsar_log.txt](https://github.com/apache/pulsar-client-python/files/10199684/pulsar_log.txt)

**pulsar-client version is 2.10.1**
**pulsar cluster version is 2.10.2**

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