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https://issues.apache.org/jira/browse/RATIS-504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz-wo Sze resolved RATIS-504.
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Resolution: Cannot Reproduce
We did not observe this problem for a long time. Resolving ...
> GrpcClientProtocolService should close connection for NotLeaderException
> ------------------------------------------------------------------------
>
> Key: RATIS-504
> URL: https://issues.apache.org/jira/browse/RATIS-504
> Project: Ratis
> Issue Type: Bug
> Components: gRPC
> Reporter: Tsz-wo Sze
> Assignee: Tsz-wo Sze
> Priority: Major
>
> When a server is a follower, clients can still send requests to it. The
> server will response NotLeaderException. It is possible that the server may
> later become a leader. As a result, the server may replies
> NotLeaderException for some earlier requests when it is not yet the leader,
> and then processes some later requests after it becomes the leader. It
> violates the ordering guarantee.
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