Hi Rafael,
As you mentioned, within withMaxNumRecords, the unbounded source will be
executed as the bounded one. It may not be ideal for you.
It seems like a bug for direct runner and sdf unbounded source wrapper when
doing finalizeCheckpoint. Do you want to file a JIRA on this problem?
On Mon, Nov 23, 2020 at 2:28 PM Rafael Ribeiro <rfribe...@gmail.com> wrote:
>
> Hi,
>>
>> I'm implementing a pipeline to read RabbitMq queue.
>>
>> I'm having problems when I read it at unbound stream
>> it is saying that channel is already closed and ack is not sent to
>> rabbitmq and message still on the queue:
>> ----------------------------------------------------------------
>> WARNING: Failed to finalize
>> Finalization{expiryTime=2020-11-21T19:33:14.909Z,
>> callback=org.apache.beam.sdk.io.Read$UnboundedSourceAsSDFWrapperFn$$Lambda$378/0x00000001007ee440@4ae82af9}
>> for completed bundle CommittedImmutableListBundle{PCollection=Read RabbitMQ
>> queue/Read(RabbitMQSource)/ParDo(UnboundedSourceAsSDFWrapper)/ParMultiDo(UnboundedSourceAsSDFWrapper)/ProcessKeyedElements/SplittableParDoViaKeyedWorkItems.GBKIntoKeyedWorkItems.out
>> [PCollection],
>> key=org.apache.beam.repackaged.direct_java.runners.local.StructuralKey$CoderStructuralKey@3607f949,
>> elements=[ValueInGlobalWindow{value=ComposedKeyedWorkItem{key=[-55, 41,
>> -123, 97, 13, 104, 92, 61, 92, 122, -19, 112, -90, 16, 7, -97, 89, 107,
>> -80, 12, 9, 120, 10, -97, 72, 114, -62, -105, 101, -34, 96, 48, 30, -96, 8,
>> -19, 23, -115, -9, 87, 1, -58, -127, 70, -59, -24, -40, -111, -63, -119,
>> 51, -108, 126, 64, -4, -120, -41, 9, 56, -63, -18, -18, -1, 17, -82, 90,
>> -32, 110, 67, -12, -97, 10, -107, -110, 13, -74, -47, -113, 122, 27, 52,
>> 46, -111, -118, -8, 118, -3, 20, 71, -109, 65, -87, -94, 107, 114, 116,
>> -110, -126, -79, -123, -67, 18, -33, 70, -100, 9, -81, -65, -2, 98, 33,
>> -122, -46, 23, -103, -70, 79, -23, 74, 9, 5, -9, 65, -33, -52, 5, 9, 101],
>> elements=[], timers=[TimerData{timerId=1:1605986594072, timerFamilyId=,
>> namespace=Window(org.apache.beam.sdk.transforms.windowing.GlobalWindow@4958d651),
>> timestamp=2020-11-21T19:23:14.072Z,
>> outputTimestamp=2020-11-21T19:23:14.072Z, domain=PROCESSING_TIME}]},
>> pane=PaneInfo.NO_FIRING}], minimumTimestamp=-290308-12-21T19:59:05.225Z,
>> synchronizedProcessingOutputWatermark=2020-11-21T19:23:14.757Z}
>> com.rabbitmq.client.AlreadyClosedException: channel is already closed due
>> to clean channel shutdown; protocol method:
>> #method<channel.close>(reply-code=200, reply-text=OK, class-id=0,
>> method-id=0)
>> at
>> com.rabbitmq.client.impl.AMQChannel.ensureIsOpen(AMQChannel.java:258)
>> at
>> com.rabbitmq.client.impl.AMQChannel.transmit(AMQChannel.java:427)
>> at
>> com.rabbitmq.client.impl.AMQChannel.transmit(AMQChannel.java:421)
>> at
>> com.rabbitmq.client.impl.recovery.RecoveryAwareChannelN.basicAck(RecoveryAwareChannelN.java:93)
>> at
>> com.rabbitmq.client.impl.recovery.AutorecoveringChannel.basicAck(AutorecoveringChannel.java:428)
>> at
>> org.apache.beam.sdk.io.rabbitmq.RabbitMqIO$RabbitMQCheckpointMark.finalizeCheckpoint(RabbitMqIO.java:433)
>> at
>> org.apache.beam.runners.direct.EvaluationContext.handleResult(EvaluationContext.java:195)
>> at
>> org.apache.beam.runners.direct.QuiescenceDriver$TimerIterableCompletionCallback.handleResult(QuiescenceDriver.java:287)
>> at
>> org.apache.beam.runners.direct.DirectTransformExecutor.finishBundle(DirectTransformExecutor.java:189)
>> at
>> org.apache.beam.runners.direct.DirectTransformExecutor.run(DirectTransformExecutor.java:126)
>> at
>> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
>> at
>> java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
>> at
>> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>> at
>> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>> at java.base/java.lang.Thread.run(Thread.java:834)
>> ----------------------------------------------------------------
>> BUT
>> if I include withMaxNumRecords
>> I receive the message and ack is sent to rabbitmq queue
>> but it works as bound data
>>
>> ----------------------------------------------------------------
>> CODE
>> my code is like below:
>> Pipeline p = Pipeline.create(options);
>>
>> PCollection<RabbitMqMessage> messages = p.apply("Read RabbitMQ queue",
>> RabbitMqIO.read()
>> .withUri("amqp://guest:guest@localhost:5672")
>> .withQueue("cart.idle.process")
>> //.withMaxNumRecords(1) // TRANFORM BOUND
>> );
>>
>> PCollection<TableRow> rows = messages.apply("Transform Json to
>> TableRow",
>> ParDo.of(new DoFn<RabbitMqMessage, TableRow>() {
>>
>> @ProcessElement
>> public void processElement(ProcessContext c) {
>>
>> ObjectMapper objectMapper = new ObjectMapper();
>> String jsonInString = new String(c.element().getBody());
>> LOG.info(jsonInString);
>> }
>> }));
>>
>> rows.apply(
>> "Write to BigQuery",
>> BigQueryIO.writeTableRows()
>> .to("livelo-analytics-dev:cart_idle.cart_idle_process")
>>
>> .withCreateDisposition(BigQueryIO.Write.CreateDisposition.CREATE_NEVER)
>>
>> .withWriteDisposition(BigQueryIO.Write.WriteDisposition.WRITE_APPEND)
>> );
>>
>> Someone could help on this?
>> --
>> Rafael Fernando Ribeiro
>>
>
