fretory commented on issue #24436:
URL: https://github.com/apache/pulsar/issues/24436#issuecomment-3003554187

   It's happening, and the environment hasn't been restarted. So I'm confused.
   ```
   2025-06-25T01:53:29,966+0000 [BookKeeperClientWorker-OrderedExecutor-3-0] 
ERROR org.apache.bookkeeper.proto.PerChannelBookieClien
   t - Read for failed on bookie 
pulsar-bookie-1.pulsar-bookie.pulsar.svc.cluster.local:3181 code EIO
   2025-06-25T01:53:29,966+0000 [BookKeeperClientWorker-OrderedExecutor-3-0] 
INFO  org.apache.bookkeeper.client.PendingReadOp - Erro
   r: Error while reading ledger while reading L23 E0 from bookie: 
pulsar-bookie-1.pulsar-bookie.pulsar.svc.cluster.local:3181
   2025-06-25T01:53:29,966+0000 [BookKeeperClientWorker-OrderedExecutor-3-0] 
ERROR org.apache.bookkeeper.client.PendingReadOp - Read
    of ledger entry failed: L23 E0-E0, Sent to 
[pulsar-bookie-1.pulsar-bookie.pulsar.svc.cluster.local:3181], Heard from [] : 
bitset
    = {}, Error = 'Error while reading ledger'. First unread entry is (-1, rc = 
null)
   2025-06-25T01:53:29,966+0000 [BookKeeperClientWorker-OrderedExecutor-3-0] 
WARN  org.apache.pulsar.broker.service.ServerCnx - [/6.
   
6.152.162:47776][persistent://****/****/__change_events-partition-0][multiTopicsReader-6c94ee162f]
 Failed to create co
   nsumer: consumerId=4552, Error while reading ledger -  ledger=23 - 
operation=Failed to read entry - entry=0
   2025-06-25T01:53:29,966+0000 [pulsar-io-5-4] WARN  
org.apache.pulsar.client.impl.ClientCnx - [id: 0x7cd76445, L:/6.6.152.162:4777
   6 - 
R:pulsar-broker-0.pulsar-broker.pulsar.svc.cluster.local/6.6.152.162:6650] 
Received error from server: Error while reading le
   dger -  ledger=23 - operation=Failed to read entry - entry=0
   2025-06-25T01:53:29,966+0000 [pulsar-io-5-4] WARN  
org.apache.pulsar.client.impl.MultiTopicsConsumerImpl - [MultiTopicsConsumer-3
   2645] Failed to subscribe for topic [persistent://****/****/__change_events] 
in topics consumer org.apache.pulsar.clie
   nt.api.PulsarClientException: {"errorMsg":"Error while reading ledger -  
ledger=23 - operation=Failed to read entry - entry=0","r
   eqId":4262065335649691244, 
"remote":"pulsar-broker-0.pulsar-broker.pulsar.svc.cluster.local/6.6.152.162:6650",
 "local":"/6.6.152.
   162:47776"}
   2025-06-25T01:53:29,966+0000 [broker-client-shared-internal-executor-7-1] 
WARN  org.apache.pulsar.client.impl.MultiTopicsConsumer
   Impl - [MultiTopicsConsumer-32645] Failed to subscribe for topic 
[persistent://****/****/__change_events] in topics co
   nsumer, subscribe error: org.apache.pulsar.client.api.PulsarClientException: 
{"errorMsg":"Error while reading ledger -  ledger=23
    - operation=Failed to read entry - entry=0","reqId":4262065335649691244, 
"remote":"pulsar-broker-0.pulsar-broker.pulsar.svc.clus
   ter.local/6.6.152.162:6650", "local":"/6.6.152.162:47776"}
   2025-06-25T01:53:29,966+0000 [broker-client-shared-internal-executor-7-1] 
WARN  org.apache.pulsar.client.impl.MultiTopicsConsumer
   Impl - [MultiTopicsConsumer-32645] Failed to subscribe topics: 
org.apache.pulsar.client.api.PulsarClientException: {"errorMsg":"E
   rror while reading ledger -  ledger=23 - operation=Failed to read entry - 
entry=0","reqId":4262065335649691244, "remote":"pulsar-
   broker-0.pulsar-broker.pulsar.svc.cluster.local/6.6.152.162:6650", 
"local":"/6.6.152.162:47776"}, closing consumer
   java.util.concurrent.CompletionException: 
org.apache.pulsar.client.api.PulsarClientException: {"errorMsg":"Error while 
reading le
   dger -  ledger=23 - operation=Failed to read entry - 
entry=0","reqId":4262065335649691244, "remote":"pulsar-broker-0.pulsar-broke
   r.pulsar.svc.cluster.local/6.6.152.162:6650", "local":"/6.6.152.162:47776"}
        at 
org.apache.pulsar.client.impl.ClientCnx.handleError(ClientCnx.java:792) 
~[org.apache.pulsar-pulsar-client-original-v3.0.5-v
   1.0.1.jar:v3.0.5-v1.0.1]
   Caused by: org.apache.pulsar.client.api.PulsarClientException: 
{"errorMsg":"Error while reading ledger -  ledger=23 - operation=F
   ailed to read entry - entry=0","reqId":4262065335649691244, 
"remote":"pulsar-broker-0.pulsar-broker.pulsar.svc.cluster.local/6.6.
   152.162:6650", "local":"/6.6.152.162:47776"}
        at 
org.apache.pulsar.client.impl.ClientCnx.handleError(ClientCnx.java:793) 
~[org.apache.pulsar-pulsar-client-original-v3.0.5-v
   1.0.1.jar:v3.0.5-v1.0.1]
   2025-06-25T01:53:29,967+0000 [broker-client-shared-internal-executor-7-1] 
ERROR org.apache.pulsar.broker.service.SystemTopicBased
   TopicPoliciesService - [****/****] Failed to create reader on 
__change_events topic
   java.util.concurrent.CompletionException: 
org.apache.pulsar.client.api.PulsarClientException: {"errorMsg":"Error while 
reading le
   dger -  ledger=23 - operation=Failed to read entry - 
entry=0","reqId":4262065335649691244, "remote":"pulsar-broker-0.pulsar-broke
   r.pulsar.svc.cluster.local/6.6.152.162:6650", "local":"/6.6.152.162:47776"}
        at 
org.apache.pulsar.client.impl.ClientCnx.handleError(ClientCnx.java:792) 
~[org.apache.pulsar-pulsar-client-original-v3.0.5-v
   1.0.1.jar:v3.0.5-v1.0.1]
   Caused by: org.apache.pulsar.client.api.PulsarClientException: 
{"errorMsg":"Error while reading ledger -  ledger=23 - operation=F
   ailed to read entry - entry=0","reqId":4262065335649691244, 
"remote":"pulsar-broker-0.pulsar-broker.pulsar.svc.cluster.local/6.6.
   152.162:6650", "local":"/6.6.152.162:47776"}
        at 
org.apache.pulsar.client.impl.ClientCnx.handleError(ClientCnx.java:793) 
~[org.apache.pulsar-pulsar-client-original-v3.0.5-v
   1.0.1.jar:v3.0.5-v1.0.1]
   2025-06-25T01:53:29,967+0000 [broker-client-shared-internal-executor-7-1] 
ERROR org.apache.pulsar.broker.service.BrokerService - 
   Topic creation encountered an exception by initialize topic policies 
service. topic_name=persistent://****/****/topic
   -partition-0 error_message={"errorMsg":"Error while reading ledger -  
ledger=23 - operation=Failed to read entry - entr
   y=0","reqId":4262065335649691244, 
"remote":"pulsar-broker-0.pulsar-broker.pulsar.svc.cluster.local/6.6.152.162:6650",
 "local":"/6
   .6.152.162:47776"}
   org.apache.pulsar.client.api.PulsarClientException: {"errorMsg":"Error while 
reading ledger -  ledger=23 - operation=Failed to re
   ad entry - entry=0","reqId":4262065335649691244, 
"remote":"pulsar-broker-0.pulsar-broker.pulsar.svc.cluster.local/6.6.152.162:665
   0", "local":"/6.6.152.162:47776"}
   ```


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