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Stopping logging error when the connection no longer exists #753

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Merged
merged 3 commits into from
Jun 27, 2025
+14 −2
Merged

Stopping logging error when the connection no longer exists #753

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2fa9dd1
Stopping logging error when the connection no longer exists
maqiuyujoyce Jun 24, 2025
3494341
Address comments
maqiuyujoyce Jun 24, 2025
c35d180
Fix log level
maqiuyujoyce Jun 25, 2025
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16 changes: 14 additions & 2 deletions pkg/agent/client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -354,7 +354,13 @@ func (a *Client) Serve() {
if status.Code(err) == codes.Canceled {
klog.V(2).InfoS("stream canceled", "serverID", a.serverID, "agentID", a.agentID)
} else {
klog.ErrorS(err, "could not read stream", "serverID", a.serverID, "agentID", a.agentID)
select {
case <-a.stopCh:
klog.V(5).InfoS("could not read stream because agent client is shutting down", "err", err)
default:
// If stopCh is not closed, this is a legitimate, unexpected error.
klog.ErrorS(err, "could not read stream", "serverID", a.serverID, "agentID", a.agentID)
}
}
return
}
Expand Down Expand Up @@ -407,7 +413,13 @@ func (a *Client) Serve() {
closePkt.GetCloseResponse().ConnectID = connID
}
if err := a.Send(closePkt); err != nil {
klog.ErrorS(err, "close response failure", "")
if err == io.EOF {
klog.V(2).InfoS("received EOF; connection already closed", "connectionID", connID, "err", err)
} else if _, ok := a.connManager.Get(connID); !ok {
klog.V(5).InfoS("connection already closed", "connectionID", connID, "err", err)
} else {
klog.ErrorS(err, "close response failure", "")
}
}
close(dataCh)
a.connManager.Delete(connID)
Expand Down