Tlaloc-Es opened a new issue, #15052:
URL: https://github.com/apache/pulsar/issues/15052
**Describe the bug**
After call `consumer.negative_acknowledge(msg)` a lot suddenly the consumer
doesn't consumer any message, I change the cursor name several times but didn't
work.
The new consumers were created with
```
consumer = pulsar.Client(
PULSAR_URL,
authentication=AuthenticationOauth2(params)
).subscribe(
topic=PULSAR_TOPIC,
initial_position=_pulsar.InitialPosition.Earliest,
subscription_name=PULSAR_SUBSCRIPTION_NAME
)
```
or with
```
consumer = pulsar.Client(
PULSAR_URL,
authentication=AuthenticationOauth2(params)
).subscribe(
topic=PULSAR_TOPIC,
initial_position=pulsar.InitialPosition.Earliest,
subscription_name=PULSAR_SUBSCRIPTION_NAME
)
```
**To Reproduce**
```
while True:
msg = consumer.receive()
ex = msg.value()
data = json.loads(ex)
try:
print(data)
consumer.negative_acknowledge(msg)
except Exception as e:
consumer.negative_acknowledge(msg)
```
**Expected behavior**
Consume messages, and consume all messages from the earliest position.
**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.
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