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Fix high latency when websocket connection fails #655

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Merged
merged 2 commits into from
Feb 9, 2017
Merged

Fix high latency when websocket connection fails #655

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Fix high latency when websocket connection fails
foxish Feb 8, 2017
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foxish Feb 8, 2017
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10 changes: 10 additions & 0 deletions ...lient/src/main/java/io/fabric8/kubernetes/client/dsl/internal/WatchConnectionManager.java
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,7 @@

import static io.fabric8.kubernetes.client.utils.Utils.isNotNullOrEmpty;
import static java.net.HttpURLConnection.HTTP_GONE;
import static java.net.HttpURLConnection.HTTP_OK;

public class WatchConnectionManager<T extends HasMetadata, L extends KubernetesResourceList<T>> implements Watch {

Expand Down Expand Up @@ -193,6 +194,15 @@ public void onFailure(IOException e, Response response) {
return;
}

// We do not expect a 200 in response to the websocket connection. If it occurs, we throw
// an exception and try the watch via a persistent HTTP Get.
if (response != null && response.code() == HTTP_OK) {
queue.add(new KubernetesClientException("Received 200 on websocket",
response.code(), null));
response.body().close();
return;
}

if (response != null) {
// We only need to queue startup failures.
Status status = OperationSupport.createStatus(response);
Expand Down