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transport: Suppress warning when the connection is closing #8654

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transport: Suppress warning when the connection is closing #8654

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8 changes: 7 additions & 1 deletion clientconn.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1348,6 +1348,13 @@ func (ac *addrConn) tryAllAddrs(ctx context.Context, addrs []resolver.Address, c
if err == nil {
return nil
}
// The connection might be closing.
// Don't emit a warning in this case and err out early.
if ctx.Err() != nil {
return errConnClosing
}
channelz.Warningf(logger, ac.channelz, "grpc: addrConn.createTransport failed to connect to %s. Err: %v", addr, err)

if firstConnErr == nil {
firstConnErr = err
}
Expand Down Expand Up @@ -1404,7 +1411,6 @@ func (ac *addrConn) createTransport(ctx context.Context, addr resolver.Address,
}
// newTr is either nil, or closed.
hcancel()
channelz.Warningf(logger, ac.channelz, "grpc: addrConn.createTransport failed to connect to %s. Err: %v", addr, err)
return err
}

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