I think chesnay's answer is on the point.
You could find how to list and cancel a Flink application on Kubernetes
here[1].

Another thing is that please make sure that you are using the correct
service exposed type[2](
e.g. LoadBalancer on the cloud, NodePort for the self-managed cluster, or
ClusterIP for K8s internal submission).

# List running job on the cluster
$ ./bin/flink list --target kubernetes-application
-Dkubernetes.cluster-id=my-first-application-cluster# Cancel running
job
$ ./bin/flink cancel --target kubernetes-application
-Dkubernetes.cluster-id=my-first-application-cluster <jobId>


[1].
https://ci.apache.org/projects/flink/flink-docs-master/docs/deployment/resource-providers/native_kubernetes/#application-mode
[2].
https://ci.apache.org/projects/flink/flink-docs-master/docs/deployment/resource-providers/native_kubernetes/#accessing-flinks-web-ui

Best,
Yang

Chesnay Schepler <ches...@apache.org> 于2021年3月4日周四 下午11:42写道:

> run-application creates an application cluster that shuts down once the
> job is complete. As such, canceling the job in this case is equivalent to
> shutting down the cluster.
>
> AFAIK you also need to specify kubernetes arguments when using the list
> command. (without any argument it just assumes you're running a local
> standalone cluster.
>
>
> On 3/4/2021 4:28 PM, Robert Cullen wrote:
>
> I ran this command using the example from the CLI page on the Flink
> website:
>
> $ ./bin/flink run-application \ —target kubernetes-application \
> —parallelism 8 \ -Dkubernetes.cluster-id= \
> -Dtaskmanager.memory.process.size=4096m \ -Dkubernetes.taskmanager.cpu=2 \
> -Dtaskmanager.numberOfTaskSlots=4 \ -Dkubernetes.container.image= \
> —pyModule word_count \ —pyFiles
> /opt/flink/examples/python/table/batch/word_count.py
>
> How do I shut the cluster down?
>
> Also I’m getting this error when running ./bin/flink list
>
> org.apache.flink.util.FlinkException: Failed to retrieve job list.
>     at org.apache.flink.client.cli.CliFrontend.listJobs(CliFrontend.java:449)
>     at 
> org.apache.flink.client.cli.CliFrontend.lambda$list$0(CliFrontend.java:430)
>     at 
> org.apache.flink.client.cli.CliFrontend.runClusterAction(CliFrontend.java:1002)
>     at org.apache.flink.client.cli.CliFrontend.list(CliFrontend.java:427)
>     at 
> org.apache.flink.client.cli.CliFrontend.parseAndRun(CliFrontend.java:1060)
>     at 
> org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:1132)
>     at 
> org.apache.flink.runtime.security.contexts.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:28)
>     at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1132)
> Caused by: org.apache.flink.runtime.concurrent.FutureUtils$RetryException: 
> Could not complete the operation. Number of retries has been exhausted.
>     at 
> org.apache.flink.runtime.concurrent.FutureUtils.lambda$retryOperationWithDelay$9(FutureUtils.java:386)
>     at 
> java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774)
>     at 
> java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750)
>     at 
> java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488)
>     at 
> java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1990)
>     at 
> org.apache.flink.runtime.rest.RestClient.lambda$submitRequest$1(RestClient.java:430)
>     at 
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:577)
>     at 
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:570)
>     at 
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:549)
>     at 
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:490)
>     at 
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:615)
>     at 
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:608)
>     at 
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117)
>     at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321)
>     at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337)
>     at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:702)
>     at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)
>     at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)
>     at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
>     at 
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
>     at 
> org.apache.flink.shaded.netty4.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
>     at java.lang.Thread.run(Thread.java:748)
> Caused by: java.util.concurrent.CompletionException: 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannel$AnnotatedConnectException:
>  Connection refused: localhost/127.0.0.1:8081
>     at 
> java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:292)
>     at 
> java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:308)
>     at 
> java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:957)
>     at 
> java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940)
>     ... 19 more
> Caused by: 
> org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannel$AnnotatedConnectException:
>  Connection refused: localhost/127.0.0.1:8081
> Caused by: java.net.ConnectException: Connection refused
>     at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>     at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:715)
>     at 
> org.apache.flink.shaded.netty4.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330)
>     at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334)
>     at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:702)
>     at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)
>     at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576)
>     at 
> org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493)
>     at 
> org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
>     at 
> org.apache.flink.shaded.netty4.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
>     at java.lang.Thread.run(Thread.java:748)
>
> --
> Robert Cullen
> 240-475-4490
>
>
>

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