Mukul Kumar Singh created RATIS-601:
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Summary: Fix NotLeaderException handling
Key: RATIS-601
URL: https://issues.apache.org/jira/browse/RATIS-601
Project: Ratis
Issue Type: Bug
Components: server
Reporter: Mukul Kumar Singh
Assignee: Mukul Kumar Singh
There are 3 issues with leader election
a) OrderedAsync#sendRequest doesn't handle NotLeaderException
b) RaftServerImpl#generateNotLeaderException should not guess current leader
when it does not has information about it. This leads to client retrying
aggressively which leads into RetryException.
c) RaftClient right now changes leader for AlreadyClosedException and
TimeoutIOException, these events do not trigger leader election and hence the
leader should not be changed.
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