Watcher closed with exception in namespace xxx-xx-xxx

[sgv0007]

Hi Team,

We are using Strimzi operator for deployng kafka on Azure AKS environment . We have noticed below error in operator logs and the operator fails to deploy the changes . I have shared the Kubernetes environment version below. Please help.

k version
Client Version: version.Info{Major:"1", Minor:"21", GitVersion:"v1.21.8", GitCommit:"4a3b558c52eb6995b3c5c1db5e54111bd0645a64", GitTreeState:"clean", BuildDate:"2021-12-15T14:52:11Z", GoVersion:"go1.16.12", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"25", GitVersion:"v1.25.6", GitCommit:"94c50547e633f1db5d4c56b2b305670e14987d59", GitTreeState:"clean", BuildDate:"2023-06-12T18:46:30Z", GoVersion:"go1.19.5", Compiler:"gc", Platform:"linux/amd64"}
WARNING: version difference between client (1.21) and server (1.25) exceeds the supported minor version skew of +/-1

Error:

2023-08-16T12:57:50.029611186Z 2023-08-16 12:57:50 ERROR AbstractOperator:492 - Watcher closed with exception in namespace esb-sit-kafka
2023-08-16T12:57:50.029654487Z io.fabric8.kubernetes.client.WatcherException: Could not process websocket message
2023-08-16T12:57:50.029661887Z at io.fabric8.kubernetes.client.dsl.internal.WatcherWebSocketListener.onError(WatcherWebSocketListener.java:51) ~[io.fabric8.kubernetes-client-6.6.1.jar:?]
2023-08-16T12:57:50.029683187Z at io.fabric8.kubernetes.client.jdkhttp.JdkWebSocketImpl$ListenerAdapter.onError(JdkWebSocketImpl.java:85) ~[io.fabric8.kubernetes-httpclient-jdk-6.6.1.jar:?]
2023-08-16T12:57:50.029688787Z at jdk.internal.net.http.websocket.WebSocketImpl$ReceiveTask.processError(WebSocketImpl.java:508) ~[java.net.http:?]
2023-08-16T12:57:50.029694187Z at jdk.internal.net.http.websocket.WebSocketImpl$ReceiveTask.run(WebSocketImpl.java:462) ~[java.net.http:?]
2023-08-16T12:57:50.029699787Z at jdk.internal.net.http.common.SequentialScheduler$CompleteRestartableTask.run(SequentialScheduler.java:149) ~[java.net.http:?]
2023-08-16T12:57:50.029705387Z at jdk.internal.net.http.common.SequentialScheduler$SchedulableTask.run(SequentialScheduler.java:230) ~[java.net.http:?]
2023-08-16T12:57:50.029710587Z at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[?:?]
2023-08-16T12:57:50.029715787Z at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[?:?]
2023-08-16T12:57:50.029721487Z at java.lang.Thread.run(Thread.java:833) ~[?:?]
2023-08-16T12:57:50.029726787Z Caused by: java.net.SocketException: Connection reset

Thanks,
Shiva

[andreaTP]

Hi @sgv0007 , I notice that you are using version 6.6.1 of the client, would it be possible for you to bump to > 6.7 (6.8.1 would be ideal)?