Hey Chiara,

I went through a lot of the same struggles a while back and made this repo
to showcase how I accomplished something similar.
https://github.com/sambvfx/beam-flink-k8s

It shouldn't be hard to convert to a docker-compose setup (I actually had
it like this originally while testing before porting to kubernetes).


On Thu, Oct 28, 2021 at 10:41 AM Kyle Weaver <[email protected]> wrote:

> > I still cannot figure out how to make sure that the worker_pool is
> accessible via  'localhost' hostname.
>
> In Kubernetes, we make the worker pool a sidecar of the Flink task manager
> container. Perhaps there is a similar feature available in docker compose?
>
>
> https://github.com/GoogleCloudPlatform/flink-on-k8s-operator/blob/0310df76d6e2128cd5d2bc51fae4e842d370c463/examples/beam/without_job_server/beam_flink_cluster.yaml#L17-L20
>
> On Thu, Oct 28, 2021 at 10:30 AM Chiara Troiani <
> [email protected]> wrote:
>
>> Hi Jan,
>>
>> Thank you very much for your answer, and sorry for the late reply.
>>
>> I can see the job in flink UI, but it still fails, with this
>> exception among others:
>>
>> Caused by:
>> org.apache.beam.vendor.grpc.v1p36p0.io.netty.channel.AbstractChannel$AnnotatedConnectException:
>>
>>
>> finishConnect(..) failed: Connection refused: localhost/127.0.0.1:50000
>>
>> Caused by: java.net.ConnectException: finishConnect(..) failed:
>> Connection refused
>>
>>
>> I guess it is a Docker problem now.
>> I still cannot figure out how to make sure that the worker_pool is
>> accessible via  'localhost' hostname.
>>
>> Many thanks,
>> Chiara
>>
>> On Mon, Oct 18, 2021 at 11:56 AM Jan Lukavský <[email protected]> wrote:
>>
>>> Hi Chiara,
>>>
>>> environment_type LOOPBACK is meant for local execution only. The default
>>> is docker, which is not ideal when you use docker-compose (docker in
>>> docker), so the other option is to use EXTERNAL environment. With this
>>> environment, you must manually start the Python SDK harness as a separate
>>> container using apache/beam_python3.8_sdk docker image with args set to
>>> '--worker_pool'. That should run a container, that will take care of
>>> running the Python harness processes. It will by default listen on port
>>> 50000, it must be accessible from the taskmanager container via
>>> localhost:50000, and you then pass it via environment_config, e.g.:
>>>
>>>  --environment_type=EXTERNAL --environment_config=localhost:50000
>>>
>>> That should do the trick. Because of limitations of the 'worker_pool'
>>> you must make sure, that it is accessible via 'localhost' hostname. For
>>> more information see [1].
>>>
>>>  Jan
>>>
>>> [1] https://beam.apache.org/documentation/runtime/sdk-harness-config/
>>> On 10/18/21 11:43, Chiara Troiani wrote:
>>>
>>> Hi,
>>>
>>>
>>> I am trying to follow these tutorials
>>>
>>> http://beam.apache.org/documentation/runners/flink/
>>>
>>> For the Portable (Python)
>>>
>>>
>>> I am not able to execute a Beam pipeline on a Flink cluster.
>>>
>>> I am running a Flink Session Cluster with docker-compose,
>>>
>>>
>>> This is my docker-compose file:
>>>
>>>
>>> ——————
>>>
>>> version: "2.2"
>>>
>>> services:
>>>
>>>   jobmanager:
>>>
>>>     image: flink:1.13.2-scala_2.11
>>>
>>>     ports:
>>>
>>>       - "8081:8081"
>>>
>>>     command: jobmanager
>>>
>>>     environment:
>>>
>>>       - |
>>>
>>>         FLINK_PROPERTIES=
>>>
>>>         jobmanager.rpc.address: jobmanager
>>>
>>>
>>>   taskmanager:
>>>
>>>     image: flink:1.13.2-scala_2.11
>>>
>>>     depends_on:
>>>
>>>       - jobmanager
>>>
>>>     command: taskmanager
>>>
>>>     scale: 1
>>>
>>>     environment:
>>>
>>>       - |
>>>
>>>         FLINK_PROPERTIES=
>>>
>>>         jobmanager.rpc.address: jobmanager
>>>
>>>         taskmanager.numberOfTaskSlots: 2
>>>
>>>
>>> —————
>>>
>>>
>>> I run the examples from a virtual environment, python3.8,
>>> apache-beam==2.32.0
>>>
>>> macOS Catalina 10.15.7
>>>
>>> Docker desktop 4.1.1
>>>
>>>
>>> When I run:
>>>
>>> python -m apache_beam.examples.wordcount --input=text.txt
>>> --output=out.txt --runner=FlinkRunner --flink_master=localhost:8081
>>> --environment_type=LOOPBACK
>>>
>>>
>>> I get this error:
>>>
>>> *org.apache.flink.runtime.JobException: Recovery is suppressed by
>>> NoRestartBackoffTimeStrategy*
>>>
>>> * at
>>> org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.handleFailure(ExecutionFailureHandler.java:138)*
>>>
>>> * at
>>> org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.getFailureHandlingResult(ExecutionFailureHandler.java:82)*
>>>
>>> * at
>>> org.apache.flink.runtime.scheduler.DefaultScheduler.handleTaskFailure(DefaultScheduler.java:216)*
>>>
>>> * at
>>> org.apache.flink.runtime.scheduler.DefaultScheduler.maybeHandleTaskFailure(DefaultScheduler.java:206)*
>>>
>>> * at
>>> org.apache.flink.runtime.scheduler.DefaultScheduler.updateTaskExecutionStateInternal(DefaultScheduler.java:197)*
>>>
>>> * at
>>> org.apache.flink.runtime.scheduler.SchedulerBase.updateTaskExecutionState(SchedulerBase.java:682)*
>>>
>>> * at
>>> org.apache.flink.runtime.scheduler.SchedulerNG.updateTaskExecutionState(SchedulerNG.java:79)*
>>>
>>> * at
>>> org.apache.flink.runtime.jobmaster.JobMaster.updateTaskExecutionState(JobMaster.java:435)*
>>>
>>> * at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)*
>>>
>>> * at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)*
>>>
>>> * at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)*
>>>
>>> * at java.lang.reflect.Method.invoke(Method.java:498)*
>>>
>>> * at
>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:305)*
>>>
>>> * at
>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:212)*
>>>
>>> * at
>>> org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:77)*
>>>
>>> * at
>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:158)*
>>>
>>> * at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26)*
>>>
>>> * at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21)*
>>>
>>> * at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123)*
>>>
>>> * at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21)*
>>>
>>> * at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:170)*
>>>
>>> * at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)*
>>>
>>> * at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)*
>>>
>>> * at akka.actor.Actor$class.aroundReceive(Actor.scala:517)*
>>>
>>> * at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225)*
>>>
>>> * at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592)*
>>>
>>> * at akka.actor.ActorCell.invoke(ActorCell.scala:561)*
>>>
>>> * at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258)*
>>>
>>> * at akka.dispatch.Mailbox.run(Mailbox.scala:225)*
>>>
>>> * at akka.dispatch.Mailbox.exec(Mailbox.scala:235)*
>>>
>>> * at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)*
>>>
>>> * at
>>> akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)*
>>>
>>> * at
>>> akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)*
>>>
>>> * at
>>> akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)*
>>>
>>> *Caused by: java.lang.Exception: The user defined 'open()' method caused
>>> an exception:
>>> org.apache.beam.vendor.grpc.v1p36p0.io.grpc.StatusRuntimeException:
>>> UNAVAILABLE: io exception*
>>>
>>> * at
>>> org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:513)*
>>>
>>> * at
>>> org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:360)*
>>>
>>> * at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:779)*
>>>
>>> * at org.apache.flink.runtime.taskmanager.Task.run(Task.java:566)*
>>>
>>> * at java.lang.Thread.run(Thread.java:748)*
>>>
>>> *Caused by:
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.util.concurrent.UncheckedExecutionException:
>>> org.apache.beam.vendor.grpc.v1p36p0.io.grpc.StatusRuntimeException:
>>> UNAVAILABLE: io exception*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2050)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache.get(LocalCache.java:3952)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3974)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4958)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4964)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$SimpleStageBundleFactory.<init>(DefaultJobBundleFactory.java:451)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$SimpleStageBundleFactory.<init>(DefaultJobBundleFactory.java:436)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory.forStage(DefaultJobBundleFactory.java:303)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.control.DefaultExecutableStageContext.getStageBundleFactory(DefaultExecutableStageContext.java:38)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.control.ReferenceCountingExecutableStageContextFactory$WrappedContext.getStageBundleFactory(ReferenceCountingExecutableStageContextFactory.java:202)*
>>>
>>> * at
>>> org.apache.beam.runners.flink.translation.functions.FlinkExecutableStageFunction.open(FlinkExecutableStageFunction.java:157)*
>>>
>>> * at
>>> org.apache.flink.api.common.functions.util.FunctionUtils.openFunction(FunctionUtils.java:34)*
>>>
>>> * at
>>> org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:508)*
>>>
>>> * ... 4 more*
>>>
>>> *Caused by:
>>> org.apache.beam.vendor.grpc.v1p36p0.io.grpc.StatusRuntimeException:
>>> UNAVAILABLE: io exception*
>>>
>>> * at
>>> org.apache.beam.vendor.grpc.v1p36p0.io.grpc.stub.ClientCalls.toStatusRuntimeException(ClientCalls.java:262)*
>>>
>>> * at
>>> org.apache.beam.vendor.grpc.v1p36p0.io.grpc.stub.ClientCalls.getUnchecked(ClientCalls.java:243)*
>>>
>>> * at
>>> org.apache.beam.vendor.grpc.v1p36p0.io.grpc.stub.ClientCalls.blockingUnaryCall(ClientCalls.java:156)*
>>>
>>> * at
>>> org.apache.beam.model.fnexecution.v1.BeamFnExternalWorkerPoolGrpc$BeamFnExternalWorkerPoolBlockingStub.startWorker(BeamFnExternalWorkerPoolGrpc.java:224)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.environment.ExternalEnvironmentFactory.createEnvironment(ExternalEnvironmentFactory.java:116)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$1.load(DefaultJobBundleFactory.java:252)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$1.load(DefaultJobBundleFactory.java:231)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3528)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2277)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2154)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2044)*
>>>
>>> * ... 16 more*
>>>
>>> *Caused by:
>>> org.apache.beam.vendor.grpc.v1p36p0.io.netty.channel.AbstractChannel$AnnotatedConnectException:
>>> finishConnect(..) failed: Connection refused: localhost/127.0.0.1:57464
>>> <http://127.0.0.1:57464/>*
>>>
>>> *Caused by: java.net.ConnectException: finishConnect(..) failed:
>>> Connection refused*
>>>
>>> * at
>>> org.apache.beam.vendor.grpc.v1p36p0.io.netty.channel.unix.Errors.throwConnectException(Errors.java:124)*
>>>
>>> * at
>>> org.apache.beam.vendor.grpc.v1p36p0.io.netty.channel.unix.Socket.finishConnect(Socket.java:251)*
>>>
>>> * at
>>> org.apache.beam.vendor.grpc.v1p36p0.io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.doFinishConnect(AbstractEpollChannel.java:672)*
>>>
>>> * at
>>> org.apache.beam.vendor.grpc.v1p36p0.io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.finishConnect(AbstractEpollChannel.java:649)*
>>>
>>> * at
>>> org.apache.beam.vendor.grpc.v1p36p0.io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.epollOutReady(AbstractEpollChannel.java:529)*
>>>
>>> * at
>>> org.apache.beam.vendor.grpc.v1p36p0.io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:465)*
>>>
>>> * at
>>> org.apache.beam.vendor.grpc.v1p36p0.io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:378)*
>>>
>>> * at
>>> org.apache.beam.vendor.grpc.v1p36p0.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)*
>>>
>>> * at
>>> org.apache.beam.vendor.grpc.v1p36p0.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)*
>>>
>>> * at
>>> org.apache.beam.vendor.grpc.v1p36p0.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)*
>>>
>>> * at java.lang.Thread.run(Thread.java:748)*
>>>
>>> —————-
>>>
>>>
>>>
>>>
>>> When I run it in default docker mode:
>>>
>>> python -m apache_beam.examples.wordcount --input=text.txt
>>> --output=out.txt --runner=FlinkRunner --flink_master=localhost:8081
>>>
>>>
>>> I can see the job submitted to Flink UI on localhost:8081, but it fails.
>>>
>>>
>>> I get this error:
>>>
>>> *2021-10-15 17:52:12*
>>>
>>> *org.apache.flink.runtime.JobException: Recovery is suppressed by
>>> NoRestartBackoffTimeStrategy*
>>>
>>> * at
>>> org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.handleFailure(ExecutionFailureHandler.java:138)*
>>>
>>> * at
>>> org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.getFailureHandlingResult(ExecutionFailureHandler.java:82)*
>>>
>>> * at
>>> org.apache.flink.runtime.scheduler.DefaultScheduler.handleTaskFailure(DefaultScheduler.java:216)*
>>>
>>> * at
>>> org.apache.flink.runtime.scheduler.DefaultScheduler.maybeHandleTaskFailure(DefaultScheduler.java:206)*
>>>
>>> * at
>>> org.apache.flink.runtime.scheduler.DefaultScheduler.updateTaskExecutionStateInternal(DefaultScheduler.java:197)*
>>>
>>> * at
>>> org.apache.flink.runtime.scheduler.SchedulerBase.updateTaskExecutionState(SchedulerBase.java:682)*
>>>
>>> * at
>>> org.apache.flink.runtime.scheduler.SchedulerNG.updateTaskExecutionState(SchedulerNG.java:79)*
>>>
>>> * at
>>> org.apache.flink.runtime.jobmaster.JobMaster.updateTaskExecutionState(JobMaster.java:435)*
>>>
>>> * at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)*
>>>
>>> * at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)*
>>>
>>> * at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)*
>>>
>>> * at java.lang.reflect.Method.invoke(Method.java:498)*
>>>
>>> * at
>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:305)*
>>>
>>> * at
>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:212)*
>>>
>>> * at
>>> org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:77)*
>>>
>>> * at
>>> org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleMessage(AkkaRpcActor.java:158)*
>>>
>>> * at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:26)*
>>>
>>> * at akka.japi.pf.UnitCaseStatement.apply(CaseStatements.scala:21)*
>>>
>>> * at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123)*
>>>
>>> * at akka.japi.pf.UnitCaseStatement.applyOrElse(CaseStatements.scala:21)*
>>>
>>> * at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:170)*
>>>
>>> * at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)*
>>>
>>> * at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:171)*
>>>
>>> * at akka.actor.Actor$class.aroundReceive(Actor.scala:517)*
>>>
>>> * at akka.actor.AbstractActor.aroundReceive(AbstractActor.scala:225)*
>>>
>>> * at akka.actor.ActorCell.receiveMessage(ActorCell.scala:592)*
>>>
>>> * at akka.actor.ActorCell.invoke(ActorCell.scala:561)*
>>>
>>> * at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:258)*
>>>
>>> * at akka.dispatch.Mailbox.run(Mailbox.scala:225)*
>>>
>>> * at akka.dispatch.Mailbox.exec(Mailbox.scala:235)*
>>>
>>> * at akka.dispatch.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)*
>>>
>>> * at
>>> akka.dispatch.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)*
>>>
>>> * at
>>> akka.dispatch.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)*
>>>
>>> * at
>>> akka.dispatch.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)*
>>>
>>> *Caused by: java.lang.Exception: The user defined 'open()' method caused
>>> an exception: java.io.IOException: Cannot run program "docker": error=2, No
>>> such file or directory*
>>>
>>> * at
>>> org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:513)*
>>>
>>> * at
>>> org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:360)*
>>>
>>> * at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:779)*
>>>
>>> * at org.apache.flink.runtime.taskmanager.Task.run(Task.java:566)*
>>>
>>> * at java.lang.Thread.run(Thread.java:748)*
>>>
>>> *Caused by:
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.util.concurrent.UncheckedExecutionException:
>>> java.io.IOException: Cannot run program "docker": error=2, No such file or
>>> directory*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4966)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$SimpleStageBundleFactory.<init>(DefaultJobBundleFactory.java:451)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$SimpleStageBundleFactory.<init>(DefaultJobBundleFactory.java:436)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory.forStage(DefaultJobBundleFactory.java:303)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.control.DefaultExecutableStageContext.getStageBundleFactory(DefaultExecutableStageContext.java:38)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.control.ReferenceCountingExecutableStageContextFactory$WrappedContext.getStageBundleFactory(ReferenceCountingExecutableStageContextFactory.java:202)*
>>>
>>> * at
>>> org.apache.beam.runners.flink.translation.functions.FlinkExecutableStageFunction.open(FlinkExecutableStageFunction.java:157)*
>>>
>>> * at
>>> org.apache.flink.api.common.functions.util.FunctionUtils.openFunction(FunctionUtils.java:34)*
>>>
>>> * at
>>> org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:508)*
>>>
>>> * ... 4 more*
>>>
>>> *Caused by: java.io.IOException: Cannot run program "docker": error=2,
>>> No such file or directory*
>>>
>>> * at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.environment.DockerCommand.runShortCommand(DockerCommand.java:189)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.environment.DockerCommand.runShortCommand(DockerCommand.java:171)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.environment.DockerCommand.runImage(DockerCommand.java:95)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.environment.DockerEnvironmentFactory.createEnvironment(DockerEnvironmentFactory.java:131)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$1.load(DefaultJobBundleFactory.java:252)*
>>>
>>> * at
>>> org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$1.load(DefaultJobBundleFactory.java:231)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3528)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2277)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2154)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2044)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache.get(LocalCache.java:3952)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3974)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4958)*
>>>
>>> * at
>>> org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4964)*
>>>
>>> * ... 12 more*
>>>
>>> *Caused by: java.io.IOException: error=2, No such file or directory*
>>>
>>> * at java.lang.UNIXProcess.forkAndExec(Native Method)*
>>>
>>> * at java.lang.UNIXProcess.<init>(UNIXProcess.java:247)*
>>>
>>> * at java.lang.ProcessImpl.start(ProcessImpl.java:134)*
>>>
>>> * at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)*
>>>
>>> * ... 26 more*
>>>
>>> ————
>>>
>>>
>>> Do you have any suggestions?
>>>
>>>
>>> I also tried the Portable (Java/Python/Go) tutorial, with this
>>> difference:
>>> docker run -p 8099:8099 -p 8098:8098 -p 8097:8097
>>> apache/beam_flink1.13_job_server:latest --flink-master=localhost:8081
>>>
>>>
>>> But I am ending up with similar issues.
>>>
>>>
>>> Many thanks,
>>>
>>> Chiara
>>>
>>>

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