Details
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Bug
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Resolution: Fixed
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Major - P3
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None
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None
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None
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Fully Compatible
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ALL
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Repl 2023-09-18, Repl 2023-10-02, Repl 2023-10-16
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16
Description
It is possible during FCV upgrade/downgrade in sharded clusters, different shards are in different FCV. If a resharding is in progress, the shard in higher FCV can send $requestResumeToken queries to shards in downgraded FCV and get rejected, resulting in unrecoverable error.