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https://issues.apache.org/jira/browse/FLINK-30315?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Gyula Fora closed FLINK-30315.
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Fix Version/s: kubernetes-operator-1.4.0
Resolution: Fixed
merged to main 40357168fba199320c742a975def11f0c177aea4
> Add more information about image pull failures to the operator log
> ------------------------------------------------------------------
>
> Key: FLINK-30315
> URL: https://issues.apache.org/jira/browse/FLINK-30315
> Project: Flink
> Issue Type: Improvement
> Components: Kubernetes Operator
> Reporter: Peter Vary
> Priority: Major
> Labels: pull-request-available
> Fix For: kubernetes-operator-1.4.0
>
>
> When there is an image pull error, this is what we see in the operator log:
> {code:java}
> org.apache.flink.kubernetes.operator.exception.DeploymentFailedException:
> Back-off pulling image "flink:1.14"
> at
> org.apache.flink.kubernetes.operator.observer.deployment.AbstractFlinkDeploymentObserver.checkContainerBackoff(AbstractFlinkDeploymentObserver.java:194)
> at
> org.apache.flink.kubernetes.operator.observer.deployment.AbstractFlinkDeploymentObserver.observeJmDeployment(AbstractFlinkDeploymentObserver.java:150)
> at
> org.apache.flink.kubernetes.operator.observer.deployment.AbstractFlinkDeploymentObserver.observeInternal(AbstractFlinkDeploymentObserver.java:84)
> at
> org.apache.flink.kubernetes.operator.observer.deployment.AbstractFlinkDeploymentObserver.observeInternal(AbstractFlinkDeploymentObserver.java:55)
> at
> org.apache.flink.kubernetes.operator.observer.AbstractFlinkResourceObserver.observe(AbstractFlinkResourceObserver.java:56)
> at
> org.apache.flink.kubernetes.operator.observer.AbstractFlinkResourceObserver.observe(AbstractFlinkResourceObserver.java:32)
> at
> org.apache.flink.kubernetes.operator.controller.FlinkDeploymentController.reconcile(FlinkDeploymentController.java:113)
> at
> org.apache.flink.kubernetes.operator.controller.FlinkDeploymentController.reconcile(FlinkDeploymentController.java:54)
> at
> io.javaoperatorsdk.operator.processing.Controller$1.execute(Controller.java:136)
> at
> io.javaoperatorsdk.operator.processing.Controller$1.execute(Controller.java:94)
> at
> org.apache.flink.kubernetes.operator.metrics.OperatorJosdkMetrics.timeControllerExecution(OperatorJosdkMetrics.java:80)
> at
> io.javaoperatorsdk.operator.processing.Controller.reconcile(Controller.java:93)
> at
> io.javaoperatorsdk.operator.processing.event.ReconciliationDispatcher.reconcileExecution(ReconciliationDispatcher.java:130)
> at
> io.javaoperatorsdk.operator.processing.event.ReconciliationDispatcher.handleReconcile(ReconciliationDispatcher.java:110)
> at
> io.javaoperatorsdk.operator.processing.event.ReconciliationDispatcher.handleDispatch(ReconciliationDispatcher.java:81)
> at
> io.javaoperatorsdk.operator.processing.event.ReconciliationDispatcher.handleExecution(ReconciliationDispatcher.java:54)
> at
> io.javaoperatorsdk.operator.processing.event.EventProcessor$ReconcilerExecutor.run(EventProcessor.java:406)
> at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown
> Source)
> at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown
> Source)
> at java.base/java.lang.Thread.run(Unknown Source) {code}
> This is the information we have on kubernetes side:
> {code:java}
> Normal Scheduled 2m19s default-scheduler Successfully
> assigned
> default/quickstart-base-86787586cd-lb7j6 to minikube
> Warning Failed 20s kubelet Failed to pull
> image "flink:1.14": rpc error: code = Unknown desc = context deadline exceeded
> *Warning Failed 20s kubelet Error*:
> ErrImagePull
> Normal BackOff 19s kubelet Back-off pulling
> image "flink:1.14"
> *Warning Failed 19s kubelet Error*:
> ImagePullBackOff
> Normal Pulling 7s (x2 over 2m19s) kubelet Pulling image
> "flink:1.14"
> {code}
> It would be good to add the additional message (in this case {{{}Failed to
> pull image "flink:1.14": rpc error: code = Unknown desc = context deadline
> exceeded{}}}) to the message of the {{DeploymentFailedException}} for
> traceability.
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