baomingyu opened a new pull request #11965:
URL: https://github.com/apache/pulsar/pull/11965
Fixes #11964
*Explain here the context, and why you're making that change. What is the
problem you're trying to solve.*
In key_shared mode. Ack message will hold
PersistentSubscription(synchronized lock ) --> ManagedCursorImpl(lock) -> to
try get PersistentStickyKeyDispatcherMultipleConsumers(synchronized) in
asyncDelete function and when individualDeletedMessages is empty way. Same time
, other Thread Ack message when individualDeletedMessages is not empty maybe
hold PersistentStickyKeyDispatcherMultipleConsumers(synchronized) to try get
ManagedCursorImpl(lock) for read more entries. deadlock will happen.
### Modifications
change unlock before callback ,in asyncDelete function of ManagedCursorImpl.
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