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Write cluster failover, pool stuck with read-only cluster #2556

@francisco4challenge

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@francisco4challenge

I am using amazon aurora RDS in my application, with a cluster with 2 endpoints, read and write.
Using Pools, with the host as the cluster endpoint.
var pool = mysql.createPool(...); pool.getConnection( connection => connection.query())

When the primary writer endpoint failsover, the driver seems to be using the available reader endpoint, and insert/update fails (makes sense), but it never switches back to the writer, even when it becomes available.

Is there a way to handle these sittuations?

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