ytong01 opened a new issue, #4172:
URL: https://github.com/apache/bookkeeper/issues/4172
**bookie client may could not connect a bookie node which transition state
from readonly to writability**
***Describe***
when we transition a bookie state from readonly to writability, bookie will
process like this, (1) doRegisterBookie(false) (2)unregisterBookie(), and
client's ZkRegistrationClient will process related zk event, and seems
ZkRegistrationClient received last event is
"/ledgers/available/readonly/{bookieId}" deleted event, and then
BookieServiceInfoCacheInvalidationWatcher will remove bookServiceInfo from
bookieServiceInfoCache, finally PerChannelBookieClient will throw
BookieIdNotResolvedException while attempt connect bookie
***Expected behavior***
Bookie client can aware bookie node online/offline normally.
***Additional context***
- Bookkeeper version : 4.15.3
- Use ZKRegistrationManager implemention
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