| Package | Description | 
|---|---|
| com.hazelcast.core | Provides core API interfaces/classes. | 
| com.hazelcast.cp.exception | Contains exceptions that can be thrown by APIs of the CP subsystem | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | MemberLeftExceptionA  ExecutionExceptionthrown when a member left during an invocation or execution. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | StaleAppendRequestExceptionA  CPSubsystemExceptionwhich is thrown when a Raft leader node
 appends an entry to its local Raft log, but demotes to the follower role
 before learning the commit status of the entry. | 
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