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https://issues.apache.org/jira/browse/FLINK-29382?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Gyula Fora closed FLINK-29382.
------------------------------
Resolution: Cannot Reproduce
> Flink fails to start when created using quick guide for flink operator
> ----------------------------------------------------------------------
>
> Key: FLINK-29382
> URL: https://issues.apache.org/jira/browse/FLINK-29382
> Project: Flink
> Issue Type: Bug
> Components: Kubernetes Operator
> Affects Versions: kubernetes-operator-1.1.0
> Reporter: Barisa
> Priority: Major
>
> I followed
> [https://nightlies.apache.org/flink/flink-kubernetes-operator-docs-main/docs/try-flink-kubernetes-operator/quick-start/]
> to deploy flink operator and then the flink job.
>
>
> When following step
> {{kubectl create -f
> https://raw.githubusercontent.com/apache/flink-kubernetes-operator/release-1.1/examples/basic.yaml}}
> the pod starts, but then it keeps crashing with following exception.
>
> {noformat}
> Caused by: io.fabric8.kubernetes.client.KubernetesClientException: pods is
> forbidden: User "system:anonymous" cannot watch resource "pods" in API group
> "" in the namespace "zonda"
> at
> io.fabric8.kubernetes.client.dsl.internal.WatcherWebSocketListener.onFailure(WatcherWebSocketListener.java:74)
> ~[flink-dist-1.15.2.jar:1.15.2]
> at
> org.apache.flink.kubernetes.shaded.okhttp3.internal.ws.RealWebSocket.failWebSocket(RealWebSocket.java:570)
> ~[flink-dist-1.15.2.jar:1.15.2]
> at
> org.apache.flink.kubernetes.shaded.okhttp3.internal.ws.RealWebSocket$1.onResponse(RealWebSocket.java:199)
> ~[flink-dist-1.15.2.jar:1.15.2]
> at
> org.apache.flink.kubernetes.shaded.okhttp3.RealCall$AsyncCall.execute(RealCall.java:174)
> ~[flink-dist-1.15.2.jar:1.15.2]
> at
> org.apache.flink.kubernetes.shaded.okhttp3.internal.NamedRunnable.run(NamedRunnable.java:32)
> ~[flink-dist-1.15.2.jar:1.15.2]
> at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
> ~[?:?]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> ~[?:?]
> {noformat}
> I also noticed following log lines
> {noformat}
> 2022-09-21 13:32:05,715 WARN io.fabric8.kubernetes.client.Config
> [] - Error reading service account token from:
> [/var/run/secrets/kubernetes.io/serviceaccount/token]. Ignoring.
> 2022-09-21 13:32:05,719 WARN io.fabric8.kubernetes.client.Config
> [] - Error reading service account token from:
> [/var/run/secrets/kubernetes.io/serviceaccount/token]. Ignoring.
> {noformat}
> I think the problem is that container runs as user root, which later uses
> gosu to became flink user. However, service account is only accessible to the
> main user in the container, which is root
> {noformat}
> root@basic-example-658578895d-qwlb2:/opt/flink# ls -hltr
> /var/run/secrets/kubernetes.io/serviceaccount/token
> lrwxrwxrwx. 1 root 1337 12 Sep 21 08:57
> /var/run/secrets/kubernetes.io/serviceaccount/token -> ..data/token
> {noformat}
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